Antenna

FIELD: superbroad-band microwave antennas that can be used in phased antenna arrays for communication systems, superbroad-band radars, and metrology.

SUBSTANCE: proposed antenna incorporating ability of forming linear phase-frequency characteristic has first and second additional metal plates as well as sections of input and additional input transmission line which are connected on one end to second main and second additional metal plates, respectively, and on other end they are interconnected through jumper; first side edges of surfaces of first and second main and second additional metal plates are expanding in direction of longitudinal coordinate of antenna; first side edge of first main metal plate on length between first coordinate surface and second one and first side edges of second main and second additional metal plates on length between first coordinate surface and third one are disposed on third coordinate plane. Alternative design of antenna incorporating newly introduced first metal plate installed symmetrically to first main metal plate relative to coordinate surface parallel to second coordinate plane is given in description of invention.

EFFECT: enhanced gain, reduced level of electric-field cross-polarized component, reverse and side radiation level, and background level.

29 cl, 25 dwg

 

This invention relates to the field of radio engineering, in particular to ultra-wideband antennas microwave range, and can be used as an independent antenna, and as part of phased antenna arrays, in metrological applications, communication systems, radiotelescope, radio monitoring tasks and the problems of electromagnetic compatibility (EMC).

Known antenna (patent England No. 1601441, CL MKI H 01 Q 13/20, NCI H 1 Q, 1981), made on the basis of printed symmetrical slotted line, exponentially expanding from the input transmission line to the aperture of the antenna. The transition from symmetric slit line to the coaxial connector via a microstrip line, a set of orthogonal with respect to the symmetric slit line, and located on the other side of the dielectric substrate.

The disadvantage of this antenna is a significant level crosspolarization component of the electric field relative escapologist transition from symmetric slit lines in microstrip, a significant irregularity in the characteristics agreed in the working frequency band, low limit, high process tolerance for the execution of the transition.

The closest technical solution is the prototype of the antenna is (U.S. patent No. 5278575, CL MKI H 01 Q 9/28, NCI/795, 1994)containing two identical metal plates located on different sides of the dielectric substrate, one above the other, forming antipodal slit line. In the radiating part of the antenna metal plate is made exponentially expanding from the aperture along the longitudinal axis of the antenna, forming an exponentially tapered antipodal slit line without overlapping and to the point with zero overlap. To the side edge of a metal plate at the point with zero overlap connected to the strip conductor and the surface of another metal plate is earth conductor, forming a microstrip line which is connected to the coaxial connector.

The disadvantages of the known technical solutions are: low gain (KU), a significant level crosspolarization component of the electric field, a significant level of backward and lateral radiation, a significant level of background, the impossibility of forming a linear phase-frequency characteristics, washing antenna is unbalanced transmission line.

The technical purpose of this invention is to provide the antenna with a high KU, low crosspolarization component of the electric field, low back and side radiation, with low background, with the ability fo the formation of the linear phase-frequency characteristics, with washing antenna symmetrical transmission line.

The problem is solved in that the antenna containing the first and second main metal plate, placed in a rectangular coordinate system, and the segment of the input transmission line, while the first and second main metal plate placed in the upper and lower half-planes of the second coordinate plane with respect to the third coordinate plane, respectively, and is installed parallel to the second coordinate plane on the opposite side at the same distance 1, and the line corresponding to the intersection of the second and third coordinate planes, is the longitudinal coordinate of the antenna, while the surface of the first and second core metal plates, the first side edges from the third coordinate plane, in the direction of the longitudinal coordinates of the antenna on the interval from a first coordinate space to the first coordinate surface parallel to the first coordinate plane made expanding, and start points of the first side surface extending first and second core metal plates are located on the first coordinate plane, and point the end of the first side surface extending first and second core metal plates respectively located is received on the line of intersection of the first coordinate surface with the third coordinate plane, the first side edge of the first main metal plate on the interval from the first coordinate surface to the second coordinate of the surface parallel to the first coordinate plane, along the longitudinal coordinates of the antenna is located on the third coordinate plane, and the first side edge of the second core metal plate on the interval from the first coordinate surface to the third coordinate of the surface on the third coordinate plane and connected to the Central conductor of the segment of the input transmission line, when it entered the second additional metal plate with attached cut additional input transmission line that is identical to the second main metal plate connected to it by the length of the input transmission line, which installed in the lower half-plane of the second coordinate plane and located between the first coordinate plane and the third coordinate surface is identical to the location of the first main metal plate, while at the antenna input period of the input transmission line electrically connected to segment an input transmission line.

The basis of the antenna based on antipodal slit line (ADL), such as described (LANGLEY J D S ET: "Balansced antipodal Vivaldi antenna for wide bandwidth phased arrays", IEE Proceeding: Microwaves, Antennas and Propagation, IEE, Steenage, Herts, GB. vol.143, no.2, 18 April 1996 (1996-04-18), pages 97-102) and (FOURIKIS N ET AL:"Parametric study of the co-and crosspolarisation characteristics of tapered planar and antipodal slotline antennas" IEE Proceedings H. Microwaves, Antennas & Propagation, Institution of Electrical Enginineers. Stevenage, GB, vol.140, no.1, February 1993 (1993-02-01), pages 17-22).).

The antenna consists of three plane-parallel metal plates - one ground and two active, which is connected to the input and the input of additional transmission lines, respectively. The arrangement of the plates of the antenna in a rectangular coordinate system is one of the first at the top and two second lower half-planes respectively, adequately two ASL with the total earth plate (first primary), which corresponds to a two-tier antipodal slot line (DSL) with full electrical and geometrical symmetry with respect to the first main metal plate.

The radiating part of the antenna consists of two with a total land sector type DSL without overlapping, which narrows (metal plates are diverging) from the aperture (the first coordinate plane) to the point with zero overlap (the first coordinate surface), when the first lateral edge of the first main and second main and additional metal plates forming DSL are against each other. From the first coordinate surface to the second coordinate of the surface along the longitudinal CCW is dinati antenna of the first main and second main and additional metal plates are DSL without overlapping the first side edge of the second main and additional metal plates connected the center conductor of the segment of the input of additional transmission lines, respectively, and the first main surface of the metal plate is a common earth conductor. At the entrance of the Central conductor of the input and the input of additional transmission lines are electrically interconnected.

Thus, the antenna is a sequential consistent connection of two types DAML: DSL without overlapping, the maximum aperture (the first coordinate plane) to the point with zero overlap (the first coordinate surface), where is a smooth transition in DSL with zero overlap. In the transition region is transformed wave waveguide type H10in DSL without overlap in the wave waveguide type H10in DSL with zero overlap and simultaneous transformation of impedances. At the connection points of the Central conductors of the input and the input of additional transmission lines (exciter) to the second main and second metal plates, respectively, is consistent transformation of the wave waveguide type H10DSL without overlapping in quasi - THE wave for the case of MICROSTRIP lines, and THE wave for the coaxial line. At the entrance, at the point of the galvanic connection of the input and the input of additional transmission lines proishodit phase and ravnoapostolnoi excitement.

The presence of two active second primary and second additional metal plates with a common earthen plate and the first main metal plate - allows you to zoom KU antenna, to reduce the level crosspolarization component of the electric field substantially reduce the excitation of the higher types of waves and surface waves in the transition region with DSL with zero overlap on the segment input and an input transmission line, respectively, and thereby improve the coordination of the antenna operating frequency range and reduce the side and rear radiation, to reduce the background.

The center conductor of the input and the input of additional transmission lines may be performed, for example, on a segment of the strip line. Input and input additional transmission line can be performed on a segment of coaxial line, when the center conductor is electrically connected at a point on the first side edge to the second main and additional metal plate, respectively, and the outer conductors to the first main metal plate.

The antenna can be accomplished by placing the second additional metal plate at a distance S from the second main metal plate from the side surface opposite to the arrangement surface of the first base metal is cooling plate, when it introduced the first additional metal plate, identical to the first main metal plate, which is installed in the upper half-plane of the second coordinate plane and placed symmetrically with the first main metal plate relative to the coordinate surface parallel to the second coordinate plane passing through the coordinate S/2, located on the third coordinate plane.

The antenna consists of four plane-parallel metal plates - the first two terrestrial and two second active, which is connected to the input and the additional input of the transmission line respectively. Structurally, the antenna consists of two ASL, geometrically arranged symmetrically with respect to the coordinate surfaces of a rectangular coordinate system passing through the coordinate S/2, and electrically ASL excited ravnoapostolnoj and in-phase and connected in parallel.

The radiating part of the antenna is a two ASL sector type without overlapping, each of which gradually tapers from the maximum aperture (the first coordinate plane) to the point with zero overlap (the first coordinate surface) and enters ASL with zero overlap. In the transition region is transformed wave waveguide type H10in ASL without overlapping in the waves of the waveguide type H 10in ASL with zero overlap with the corresponding transformation of impedances, i.e. the antenna is a consistent mode-impedance transformer (Ehindero, AVI, Aphtharsia. Microstrip radiating and resonant device. - Kiev: Technika, 1990. - 160 S.).

In the design of the antenna input and the input of additional transmission lines is made, for example, the strip line (PL), represent a high-quality shielded strip line (UDAPL) in the even mode excitation. In place of DPS to ASL without overlap is consistent transformation of the wave waveguide type H10in ASL without overlap in THE wave even type UDAPL. This antenna has a low level crosspolarization component of the electric field, high CU, low back and side radiation, low background.

The antenna can be made with the introduction of simmetriya metal plate, identical to the first main metal plate, which is installed in the upper half-plane of the second coordinate plane symmetrical to the first main metal plate relative to the second main metal plate and placed on the coordinate surface, passing through the coordinate S/2.

The antenna structure consists of five parallel-sided IU allicesia plates three excavation and two active, which is connected to the input and the input of additional transmission lines, respectively. The arrangement of the plates of the antenna in a rectangular coordinate system - the first two and balancing at the top and two second lower half-planes respectively, adequately two DSL with the total earth plate (balancing metal plate), on which the antenna is fully electric and geometric symmetry.

The radiating part of the antenna is placed in a one aperture two sector type with common ground plate DSL without overlapping, which narrows (metal plates are diverging) from the aperture (the first coordinate plane) to the point with zero overlap (the first coordinate surface), when the first side edges of the metal plates forming DSL are against each other. From the first coordinate surface to the second coordinate surface along the longitudinal axis of the antenna all metal plates are DSL without overlapping. To the first side edge of the second main and second additional metal plates connected to the Central conductor of the segment of the input and the input of additional transmission lines, respectively, with the first main surface of the metal plate and one p is the surface of the first simmetriya metal plates are earth conductors to the input transmission line, and the other surface of the first simmetriya metal plate and the surface of the first additional metal plates are earth conductors for the input of additional transmission lines. At the entrance of the Central conductor of the input and the input of additional transmission lines are electrically interconnected.

Thus, there is a consistent consistent connection of two types DAML: DSL without overlapping, the maximum aperture (the first coordinate plane) to the point with zero overlap (the first coordinate surface), where is a smooth transition in DSL with zero overlap. In the transition region is transformed wave waveguide type H10in DSL without overlap in the wave waveguide type H10in DSL with zero overlap and simultaneous transformation of impedances. At the connection points of the Central conductors is input and the input of additional transmission lines, made for example on the strip segments to the second main and second metal plates, respectively, for which the first main and balancing and the first additional metal plates are ground and form a correspondingly symmetrical shielded strip line, is consistent transformation of the wave waveguide is of type H 10DSL without overlap in THE wave symmetrical shielded strip lines. At the entrance point of the galvanic connection of the input and the input of additional transmission lines is their in-phase and ravnoapostolnoi excitement. This antenna has a low level crosspolarization component of the electric field, high CU, low back and side radiation, low background.

The antenna can be accomplished by installing two identical impedance subdishes made in the form of metal plates, which are installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, and separated from it by the respective gap.

Two identical impedance contraflexure, each of which is made in the form of a metal plate, allow to improve the coordination of the antenna operating frequency range, to reduce the side and rear radiation, to reduce the background.

The antenna can be accomplished by connection to the second main and second additional metal plates of two identical load impedance loop, respectively, which are installed in the lower half-plane vtoro the coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, by the third coordinate of the surface.

Load impedance flat cable can be connected to the second main and second metal plates, respectively, electrically or electromagnetically. Electromagnetic coupling can be homogeneous or heterogeneous and is made, for example, in the form of a gap. Setting the load impedance of the loop antenna can improve coordination and reduce the unevenness of the characteristics agreed in the working frequency range of the antenna.

Load impedance flat cable can be connected electrically or solenoid to the second main and second additional metal plate, respectively. Link type load impedance loop with metal plate is determined by the nature of reactance and its range of properties.

Structurally impedance centrelectro and load impedance train can be performed, for example, in the form of a metal plate of finite thickness, or in a printed version on the dielectric material.

The printed version of the antenna allows you to extend the operating frequency range, to increase the mechanical strength, to simplify the construction, increase of technological reproducibility.

The antenna can be made with the law of expansion of the surface of each of the main, additional and simmetriya metal plate from the first side edges of the segment between the first coordinate space to the first coordinate surface, which is described by a linear function.

This antenna forms a linear phase characteristic, which allows you to work with ultra-wideband signals (PSS) and used in a nanosecond radar.

The antenna can be made with the law of expansion of the surface of each primary, secondary and simmetriya metal plate from the first side edges, which is described by a nonlinear function.

Nonlinear law of expansion of the surface of metal plates, for example, can be described by the function y=ax±m/n; where a is the coefficient, is given a real number; m, n is a positive integer coprime integers such that m≠n and n>m; x - coordinate corresponding to the longitudinal axis of the antenna. This equation describes a curve of parabolic type, oriented along the longitudinal axis of the antenna and having the character of concavity.

Nonlinear law of expansion of the surface of metal plates, for example, can be described by the function y=aebx+dxwhere a, b, C, d are coefficients specified real number; x - coordinate corresponding to the longitudinal axis of the antenna. This equation opisyvaet the exponential curve of the form oriented along the longitudinal axis of the antenna and having the character of convexity.

The choice of the surface shape of expansion of metal plates allows you to optimize the width of NAM, to minimize the level of BL, side and back radiation, to provide a low background level, to ensure a high level of coherence in the frequency range of the antenna.

The antenna can be accomplished by narrowing the surface of each primary, secondary and first simmetriya metal plates from the side edge opposite the first lateral edges, respectively, along the longitudinal coordinates of the antenna in the direction from the first coordinate space to the third coordinate of the surface.

The law narrowing the surface of each primary, secondary and simmetriya metal plates can be described by linear or nonlinear law.

Nonlinear law narrowing the surface of each metal plate, for example, can be described by the function y=ax±m/nwhere a is the coefficient, is given a real number; m, n is a positive integer coprime integers such that m≠n and n>m; x - coordinate corresponding to the longitudinal axis of the antenna. This equation describes a curve of parabolic type, oriented along the longitudinal axis of the antenna and having the character of concavity.

Nonlinear European law is of the surface of each metal plate, for example, can be described by the function y=aeb+dxwhere a, b, C, d are coefficients specified real number; x - coordinate corresponding to the longitudinal axis of the antenna. This equation describes a curve of exponential type, oriented along the longitudinal axis of the antenna and having the character of convexity.

The choice of shape of the surface of each metal plate from the first side edges of the extensions and the lateral edge opposite the first lateral edge - narrowing - optimizes the distribution density of the electric current on the surface of metal plates, allows to optimize the operating frequency range of the antenna to the level of negotiation, NAM, to minimize the incidence of side and back radiation, to reduce the level BL and the background.

All main and additional metal plates, balancing metal plate, and strip and the additional strip conductors of the input transmission lines can be made of finite thickness. Fastening metal plates can be performed on the dielectric racks, and all the space can be filled with a dielectric.

When performing a metal plate antenna of finite thickness, the edge on the first side surface of the metal plates on the interval from the first coordinate of the second plane to the first coordinate surface can be made rounded. Rounding the edges of the emitting region of the antenna allows you to smooth out the jump surface density of the electric current.

The antenna can be accomplished by setting each side of the surface that is external to the second coordinate plane, the second main and second metal plates, respectively, the outer dielectric plates.

The antenna can be accomplished by setting each side of the surface that is external to the second coordinate plane, the first primary and the first additional metal plates, respectively, the outer dielectric plates.

Installing the external dielectric plate allows you to adjust the coordination of the antenna in free space, to provide a high level of coordination, low crosspolarization component of the electric field, low level BC and low level of backward and lateral radiation of the antenna.

The use of dielectric materials for substrates of metal plates and the outer dielectric plates in various combinations of relative permittivity and thickness allows you to create multi-layered, with layers inhomogeneous dielectric filling, antenna patterns, which gives an opportunity to significantly expand the set of design p the parameters, determining electrical characteristics of the antenna. The printing performance of the antenna can provide a high mechanical strength of the structure, and the outer dielectric plate can simultaneously perform the function of a protective cover (Radome).

The antenna can be made with the installation of the E - plane metal screen on each side surface that is external to the second coordinate plane, the second main and second metal plates, respectively.

The antenna can be made with the installation of the E - plane metal screen on each side surface that is external to the second coordinate plane, the first primary and the first additional metal plate, respectively.

Installation of the antenna E-plane metal screens allows you to narrow bottoms in the E-plane, to increase KU, to reduce the level NL, the backward radiation.

E-plane metal screens on the edges can be electrically interconnected contact elements. The contact elements can be made either in the form of metal rods or in the printed version on the dielectric material in the form of tape conductors. The contact elements perform the function of matching elements, so that you can adjust an agreement is Jenny, level BL and the width of the bottoms.

The antenna can be made with two H-plane metal screens, defined by side edges, opposing first side edges and perpendicular to the main and additional metal plates and simmetriya metal plate, respectively, along the longitudinal coordinates of the antenna.

Installation of the antenna H-plane screens can improve KU, narrow bottoms in the H-plane of the antenna, to reduce BC and back radiation.

The antenna can be made with the installation of metal screen from the third coordinate of the surface perpendicular to the main and additional metal plates and simmetriya metal plate.

The installation of metal screen, perform the function of contraflexure, you can narrow bottoms, to increase KU, significantly reduce the level of BC and back radiation.

The antenna can be made with main and additional metal plates and balancing a metal screen inside a rectangular metal mouthpiece, end wall which is made in the form of a metal stub.

Placing metal plates of the antenna inside a rectangular metal mouthpiece allows you to narrow bottoms at the same time in the E - and H-planes, to increase KU, decrease the build level NL, side and back radiation, to reduce the background of the antenna and adjust the phase of the wave front.

1 shows the construction of the antenna, consisting of three metal plates; figure 2 - antenna design, consisting of four metal plates; figure 3 - antenna design, consisting of five metal plates; figure 4 - antenna design, for example, consisting of three metal plates with defined impedance subdishes; figure 5 - antenna design, for example, consisting of three metal plates with defined impedance subdishes and electrically connected load impedance loop; figure 6 is a projection on the second coordinate plane metal plates, for example, performed with a linear law of expansion of the surface of the first side edges and defined impedance subdishes; 7 - projection on the second coordinate plane metal plates, for example, performed with a linear law of expansion of the surface of the first side edges and defined impedance subdishes and electrically connected load impedance loop; figure 3 is a projection on the second coordinate plane metal plates, for example made with a non-linear law of expansion is arnosti from the first side edges defined impedance-tion subdishes and electromagnetic connected load impedance circuits; figure 9 - examples of inhomogeneous electromagnetic coupling load impedance loop with the second metal plate; figure 10 - examples of the impedance of contraflexure; figure 11 is a projection on the second coordinate plane metal plates with defined impedance subdishes and electrically connected load impedance loops and, for example, performed with the nonlinear law of expansion of the surface of the first side edges and with a linear law of the narrow surface of the side edges, opposing first side edges; Fig projection on the second coordinate plane metal plates with defined impedance contrafaction and electrically connected load impedance loop and, for example, made with nonlinear law of expansion of the surface of the first side edges and the nonlinear law of the narrow surface of the side edges, opposing first side edges; Fig - view from the side of the aperture of the antenna is made on the basis of three metal plates in the printed version; in Fig - view from the side of the aperture of the antenna is made on the basis of four metal plates in the printed version; in Fig - view from the side of the aperture of the antenna is made on the basis of five m is a metallic plate in the printed version; on Fig - view from the side of the aperture of the antenna is made on the basis of, for example, three metal plates in the printed version with the installation of an external dielectric plates; Fig - view from the side of the aperture of the antenna is made on the basis of three metal plates of finite thickness with rounded edges; Fig - view from the side of the aperture of the antenna is made on the basis of four metal plates of finite thickness with rounded edges; Fig - view from the side of the aperture of the antenna is made on the basis of five metal plates of finite thickness with rounded edges; Fig - view from the side of the aperture of the antenna is made on the basis of, for example, three metal plates of finite thickness with rounded edges and completely filled with dielectric; Fig is an example of placing two E-plane metal shield on the antenna, made for example on the basis of three metal plates; Fig is an example of the placement of the contact elements, for example, in the form of pins between the two E-plane metal screens, for example, for the antenna, which is made on the basis of three metal plates; Fig is an example of placing two H-plane metal shield on the antenna, for example, is made on the basis of three metal plates; Fig is an example of placing a metal screen by the third coordinate of the second surface and perpendicular to the metal plate of the antenna, performed, for example, on the basis of three metal plates; Fig is an example of the placement of the antenna, for example, is made on the basis of three metal plates inside a rectangular metal mouthpiece.

Antenna 1 (Fig 1) contains the first 2 and second 3 main metal plate, placed in a rectangular coordinate system, and the segment of the input transmission line 4, with the first 2 and second 3 main metal plate placed in the upper and lower half-planes of the second coordinate plane 5 relative to the third coordinate plane 6, respectively, and is installed parallel to the second coordinate plane 5 on the opposite side at the same distance l, and the line corresponding to the intersection of the second 5 and 6 third coordinate planes, is the longitudinal coordinate of the antenna 1, while the surface of the first 2 and second 3 main metal plates, the first side edges 7 by the third coordinate plane 6, in the direction of the longitudinal coordinates of the antenna 1 on the interval from the first coordinate plane 8 to the first coordinate surface 9 parallel to the first coordinate plane 8 made expanding, and start points of the first side edge 7 of the surface extension of the first 2 and second 3 main metal plates are located on the first coordinate PLO the bone 8, and point the end of the first side edge 7 of the surface extension of the first 2 and second 3 main metal plates respectively located on a straight line crossing the first coordinate surface 9 with the third coordinate plane 6, the first side edge 7 of the first 2 principal metal plate on the interval from the first coordinate surface 9 to the second coordinate surface 10 parallel to the first coordinate plane 8, along the longitudinal coordinates of the antenna 1 is located on the third coordinate plane 6, and the first side edge 7 of the second underlying metal plate 3 on the interval from the first coordinate surface 9 to the third coordinate of the surface 11 is located on the third coordinate plane 6 and is connected to the Central conductor of the segment of the input transmission line 4, when it entered the second metal plate 12 connected to it by the length of an input transmission line 13, is identical to the second main metal plate 3 connected to it by the length of the input transmission line 4, which is installed in the lower half-plane of the second coordinate plane 5 and located between the first coordinate plane 8 and the third coordinate surface 11 is identical to the location of the second main metal plate 3, while the input antennas is s 1 period of the input transmission line 4 is electrically connected to segment an input transmission line 13 jumper 14.

In the antenna 1 (2) second additional metal plate 12 is placed at a distance S from the second main metal plate 3 from the side surface opposite to the location of the first main surface of the metal plate 2, the first additional metal plate 15, is identical to the first main metal plate 2, which is installed in the upper half-plane of the second coordinate plane 5 and placed symmetrically with the first main metal plate 2 relative to the coordinate surface parallel to the second coordinate plane 5, passing through the coordinate S/2, located on the third coordinate plane 6.

In the antenna 1 (Fig 3) balancing the metal plate 16, is identical to the first main metal plate 2, is installed in the upper half-plane of the second coordinate plane 5 and placed on the coordinate surface, passing through the coordinate S/2, while balancing the metal plate 16 is located symmetrically with the first main metal plate 2 relative to the second main metal plate 3.

In the antenna 1 (figure 4) has two equal impedance contraflexure 17, made in the form of metal plates, which are installed in the lower half-plane of the second coordinate plane 5 between the Torah coordinate surface 11 and the third coordinate surface 10 in the plane of the second core 3 and the second additional 12 of the metal plate, respectively, and separated from it by the respective gap.

Antenna 1 (figure 5) is made with two identical load impedance loops 18, which is connected to the second main 3 and the second additional 12 metal plates, respectively, and installed in the plane of the second core 3 and the second additional 12 of the metal plate, respectively, from the third coordinate of the surface 10.

Antenna 1 (6) made with metal plates, which surface from the first side edges 7 on the interval from the first coordinate plane 8 to the first coordinate surface 9 extend linearly and with a fixed impedance contrafaction 17.

Antenna 1 (7) made with metal plates, which surface from the first side edges 7 on the interval from the first coordinate plane 8 to the first coordinate surface 9 are expanded linearly with galvanically connected load impedance loop 18 and the set impedance contrafaction 17.

Antenna 1 (Fig) made with metal plates, which surface from the first side edges 7 on the interval from the first coordinate plane 8 to the first coordinate surface 9 expands the non-linear law with electromagnetic connected load impedan the major train 18 and set the impedance contrafaction 17.

The load impedance of the loop 18 of the antenna 1 is connected with the second main metal plate 3 inhomogeneous electromagnetic coupling, made in the form of the gap 19. Options electromagnetic coupling shown in Fig.9

Embodiments of the shape of the plate impedance of contraflexure 17 antenna 1 shown in figure 10.

Antenna 1 (11) made with metal plates, which surface from the first side edges 7 are made with a non-linear law of expansion, and with the lateral edge opposite the first lateral edges, with a linear law of narrowing and electrically connected load impedance loop 18 and the set impedance contrafaction 17.

Antenna 1 (Fig) made with metal plates, which surface from the first side edges 7 are made with a non-linear law of expansion, and with the lateral edges opposite to the first side edges, with the nonlinear law of narrowing and electrically connected load impedance loop 18 and the set impedance contrafaction 17.

Antenna 1 (Fig, 14 and 15) are made with metal plates in the printing performed on the dielectric substrate 20.

Antenna 1 (Fig) made with metal plates in the printing performed on the dielectric substrate 20 and ustanovlenytakie dielectric plates 21.

Antenna 1 (Fig, 18 and 19) are made with metal plates of finite thickness and rounded edges and with full dielectric filling (Fig).

Antenna 1 (Fig) made with metal plates in the printed version installed two E-plane metal screens 22.

Antenna 1 (Fig) made with metal plates in the printed version and installed two E-plane metal screens 22 and the metal contact elements 23.

Antenna 1 (Fig) made with metal plates in the printed version installed two H-plane metal screens 24.

Antenna 1 (Fig) made with metal plates in the printed version and installed end metal screen 25.

Antenna 1 (Fig) made dened in a rectangular metal mouthpiece 26 metal plates, made in the printed version.

Based on antenna 1, you can create one-dimensional and two-dimensional arrays (AR).

The antenna operates as follows.

Antenna 1 (Fig 1) consists of two located in one aperture of the radiating structures with a common earth plane. Each of the radiating structures made on the basis of ASL, thus forming a structure DASL. Antenna feeds ravnoapostolnoj and sinpas the O.

In the emission mode of the antenna 1 (Fig 1) input microwave signal ravnoapostolnoj and phase segments through the inlet 4 and an input 13 of the transmission line, for example, is made on the basis of the asymmetric strip line (NPL) with the wave-type quasi-HOWEVER, comes at the NPL with the appropriate ASL with zero overlap, respectively. At the junction of the lines is mode-impedance transformation - wave quasi-transformed into THE wave waveguide type H10ASL with the simultaneous transformation of impedances. In the transition region with AML with zero overlap on smoothly expanding sector type ASL without overlap occurs, the corresponding transformation of the wave waveguide type H10ASL (R. Janaswamy, Snaubert D.H., Radio Science, vol.21, No. 5, Sept-Oct 1986, pp.797-804). Plot ASL without overlapping, sector type is radiating aperture of the antenna 1, which radiates in free space electromagnetic wave with linear polarization, the orientation of the electric field intensity vector parallel to the first 2 and second 3 main metal plates.

The linear dimension of the aperture of the aperture (the first coordinate plane 8) and the length of the sector ASL on the first side edge 7 of the surface of metal plates define the range of properties of the antenna 1, the width of bottoms, feature matching, ur the level of BL.

Impedance centrelectro 17 antenna 1 can compensate for the backward wave propagating from the second core 3 and the second additional 12 of the metal plate 3 in the direction of the second coordinate of the surface 10. The choice of the distance from the metal plate 3 to the impedance of contraflexure 17, the transverse geometric sizes and shapes (figure 10), which determines the nature of the impedance contraflexure 17, can be implemented in a wide range compensation reactance, respectively, of the second core 3 and an additional 12 metal plates.

The load impedance of the loop 18 of the antenna 1 can be associated with a corresponding second main 3 and the second additional 12 metal plates or directly galvanically either homogeneous or inhomogeneous electromagnetic coupling. Options electromagnetic coupling is shown in Fig.9. When choosing the type of communication and the nature of the impedance load impedance loop 18, it is possible in a wide range to additionally load the reactivity of the second core 3 and the second additional 12 of the metal plate, respectively.

Impedance centrelectro 13 and the load impedance of the loop 16 of the antenna 1 performs the function of matching elements that can improve the electrical characteristics of the antenna 1.

1. The antenna containing the first and W is the ROI the main metal plate, housed in a rectangular coordinate system, and the segment of the input transmission line, while the first and second main metal plates are mounted parallel to the second coordinate plane on the opposite side at the same distance, and the coordinate line corresponding to the intersection of the second and third coordinate planes, is the longitudinal coordinate of the antenna, while the surface of the first and second core metal plates, the first side edges from the third coordinate plane in the direction of the longitudinal axis of the antenna on the interval from a first coordinate space to the first coordinate surface parallel to the first coordinate plane made expanding, and start points of the first side surface extending the first and second core metal plates are located on the first coordinate plane, and point the end of the first side surface extending first and second core metal plates respectively located on a straight line crossing the first coordinate surface with the third coordinate plane, with the first side edge of the first main metal plate on the interval from the first coordinate surface to the second coordinate of the surface parallel to the first coordinate space, the SAR is longitudinal coordinates of the antenna is located on the third coordinate plane, and to the first lateral edge of the second core metal plate connected to the center conductor of the segment of the input transmission line, characterized in that the input of the second additional metal plate with attached cut additional input transmission line that is identical to the second main metal plate connected to it by the length of the input transmission line, which is placed between the first coordinate plane and the third coordinate surface is identical to the location of the second main metal plate, and the antenna input period of the input transmission line electrically connected to segment an input transmission line, while the second additional metal plate with attached cut additional input transmission line placed symmetrically second main metal plate relative to the coordinate surface on which is located the first main surface of the metal plate.

2. The antenna according to claim 1, characterized in that two identical impedance contraflexure made in the form of metal plates, which are installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second primary and the second is more metal plates, respectively, and separated therefrom by a gap, respectively.

3. The antenna according to claim 1, characterized in that the introduction of two identical load impedance loop to the second main and second metal plates, respectively, which are installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, from the third coordinate of the surface, and the load impedance circuits connected electrically or solenoid to the second main and second metal plates, respectively.

4. The antenna according to claim 3, characterized in that the introduction of two identical load impedance loop to the second main and second metal plates, respectively, which are installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, from the third coordinate of the surface, and the load impedance circuits connected electrically or solenoid to the second main and second additional metal layer is am, respectively.

5. The antenna according to claim 1, characterized in that the law of expansion of the surface of the first and second main and additional metal plates and the first simmetriya metal plate from the first side edges of the segment between the first coordinate space to the first coordinate surface respectively described by a linear or nonlinear functions.

6. The antenna according to claim 5, characterized in that the law of expansion of the surface of the first and second main and additional metal plates and the first simmetriya metal plate from the first side edges of the segment between the first coordinate surface to the first coordinate plane, respectively, is described by the function y=ax±m/nwhere a is the coefficient, is given a real number; m, n is a positive integer Prime number; x - coordinate corresponding to the longitudinal axis of the antenna.

7. The antenna according to claim 5, characterized in that the law of expansion surfaces of the first and second main and additional metal plates and the first simmetriya metal plate from the first side edges of the segment between the first coordinate surface to the first coordinate plane, respectively, is described by the function y=AEbx+CEdxwhere a, b, C, d are the coefficients are real numbers; x - coordinate is relevant to the respective longitudinal axis of the antenna.

8. Antenna 1, characterized in that the surface of the first and second main and additional metal plates and simmetriya metal plate from the side edge opposite the first lateral edges, respectively, along the longitudinal axis of the antenna in the direction from the first coordinate space to a third coordinate surfaces are made tapering.

9. Antenna of claim 8, wherein each side surface that is external to the second coordinate plane, the second main and second metal plates respectively installed external dielectric plate.

10. Antenna of claim 8, wherein each side surface that is external to the second coordinate plane, the second main and second metal plates respectively installed the entered E-plane metal screens, electromagnetic or electrically connected to the contact elements together.

11. The antenna according to claim 1, characterized in that the side edges, opposing first side edges, the main and additional metal plates and simmetriya metal plate respectively and perpendicularly they have introduced H-plane metal screens.

12. Ant the nna according to claim 1 or 11, characterized in that the third coordinate of the surface perpendicular to the main and additional metal plates and simmetriya metal plate has introduced a metal screen.

13. Antenna of claim 8, wherein the metal plate is installed inside a rectangular metal mouthpiece, end wall which is made in the form of a metal stub.

14. The antenna containing the first and second main metal plate, placed in a rectangular coordinate system, and the segment of the input transmission line, while the first and second main metal plates are mounted parallel to the second coordinate plane on the opposite side at the same distance, and the coordinate line corresponding to the intersection of the second and third coordinate planes, is the longitudinal coordinate of the antenna, while the surface of the first and second core metal plates, the first side edges from the third coordinate plane in the direction of the longitudinal axis of the antenna on the interval from a first coordinate space to the first coordinate surface parallel to the first coordinate plane made expanding, and start points of the first side surface extending first and second main metal p is Astin located on the first coordinate plane, and point the end of the first side surface extending first and second core metal plates respectively located on a straight line crossing the first coordinate surface with the third coordinate plane, with the first side edge of the first main metal plate on the interval from the first coordinate surface to the second coordinate of the surface parallel to the first coordinate plane, along the longitudinal coordinates of the antenna is located on the third coordinate plane and to the first lateral edge of the second core metal plate connected to the center conductor of the segment of the input transmission line, characterized in that the input of the second additional metal plate with attached cut additional input transmission line, the same as the second the main metal plate connected to it by the length of the input transmission line, which is placed between the first coordinate plane and the third coordinate surface is identical to the location of the second primary metal plates, while at the antenna input period of the input transmission line electrically connected to segment an input transmission line, and a second additional metal plate placed at a distance S from the second main metal p is required from the side surface, the opposite location of the first main surface of the metal plate, when it introduced the first additional metal plate, identical to the first main metal plate which is placed symmetrically with the first main metal plate relative to the coordinate surface parallel to the second coordinate plane passing through the coordinate S/2, located on the third coordinate plane.

15. The antenna 14, characterized in that the input baluns metal plate, identical to the first main metal plate, which is installed in the upper half-plane of the second coordinate plane and placed on the coordinate surface, passing through the coordinate S/2.

16. The antenna 15, characterized in that two identical impedance contraflexure made in the form of metal plates, which are installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, and separated therefrom by a gap, respectively.

17. The antenna 14 characterized in that the introduction of two identical load impedance loop to the second main and second additional metal is practical plates, respectively, installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, from the third coordinate of the surface, and the load impedance circuits connected electrically or solenoid to the second main and second metal plates, respectively.

18. The antenna according to item 16, characterized in that the introduction of two identical load impedance loop to the second main and second metal plates, respectively, which are installed in the lower half-plane of the second coordinate plane between the second coordinate surface and the third coordinate surface in the plane of the second main and second metal plates, respectively, from the third coordinate of the surface, and the load impedance of the loop is connected galvanically or solenoid to the second main and second metal plates, respectively.

19. The antenna 14, characterized in that the law of expansion of the surface of the first and second main and additional metal plates and the first simmetriya metal plate from the first Bo the new edges in the interval from the first coordinate space to the first coordinate surface respectively described by a linear or nonlinear functions.

20. The antenna according to claim 19, characterized in that the law of expansion of the surface of the first and second main and additional metal plates and the first simmetriya metal plate from the first side edges of the segment between the first coordinate surface to the first coordinate plane, respectively, is described by the function y=ax±m/nwhere a is the coefficient, is given a real number; m, n is a positive integer Prime number; x - coordinate corresponding to the longitudinal axis of the antenna.

21. The antenna according to claim 19, characterized in that the law of expansion surfaces of the first and second main and additional metal plates and the first simmetriya metal plate from the first side edges of the segment between the first coordinate surface to the first coordinate plane, respectively, is described by the function y=aebx+CEdxwhere a, b, C, d are the coefficients are real numbers; x - coordinate corresponding to the longitudinal axis of the antenna.

22. The antenna 14, characterized in that the surface of the first and second main and additional metal plates and simmetriya metal plate from the side edge opposite the first lateral edges, respectively, along the longitudinal axis of the antenna in the direction from the first coordinate plane to tert what she coordinate surfaces are made tapering.

23. The antenna 14, wherein each side surface that is external to the second coordinate plane, the second main and second metal plates respectively installed external dielectric plate.

24. The antenna 14 or 15, characterized in that each side surface that is external to the second coordinate plane, the first primary and the first additional metal plates respectively installed external dielectric plate.

25. The antenna according to item 22, wherein each side surface that is external to the second coordinate plane, the second main and second metal plates respectively installed the entered E-plane metal screens, electromagnetic or electrically connected to the contact elements together.

26. The antenna according to item 22, wherein each side surface that is external to the second coordinate plane, the first primary and the first additional metal plates respectively installed the entered E-plane metal screens, electromagnetic or electrically connected to the contact elements together.

27. The antenna 15, characterized in that the side CROMO is, opposite first side edges, the main and additional metal plates and simmetriya metal plate respectively and perpendicularly they have introduced H-plane metal screens.

28. The antenna 15, characterized in that the third coordinate of the surface perpendicular to the main and additional metal plates and simmetriya metal plate has introduced a metal screen.

29. The antenna according to item 15, wherein the metal plate is installed inside a rectangular metal mouthpiece, end wall which is made in the form of a metal stub.



 

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