Naval complex electronic countermeasure

 

The invention relates to the field of radio and allows for electronic protection of ships through the creation of sighting frequency and direction pulse and masking interference of radio-electronic means of the enemy. Technical result achieved - providing analysis signal environment, the classification of types of media RES opponent, increasing the efficiency with intense radar environment. Naval complex electronic countermeasure device measuring direction to the radiation source control device and the tool jamming, including the device memory and the frequency and transmitter interference, the unit of measurement direction on the radiation source contains the amplitude direction finders of the left and right sides, each of which includes N identical receiver channels of series-connected receiving antenna, amplifier high frequency power splitter and receiver with wide dynamic range, chart receiving antennas receiving channels intersect at the level of 0.5 and the amount of overlap sector 180the device separate summation is connected to the second outputs of the power divider receiving channels, and outputs to the frequency-measuring devices even-numbered and odd-numbered receiving channels, the device analog-to-digital conversion and pre-processing, the inputs of which are connected to the outputs of the amplitude and direction finders, frequency-measuring device and the first output utochnila bearing of the right and left side, and the input-output - with an automated control system, the second outputs of utochnila bearing left and right of the device memory and playback frequency, a third input connected to the first output of the automated control system and outputs - with the jammer port and starboard, the second and third outputs of the automated control system connected to inputs of utochnila bearing left and right sides, the automated control system of two-way communication channel connected with the ship's systems, electromagnetic compatibility, radar situation and control the means of passive interference. 4 C.p. f-crystals, 5 Il.

The invention relates to the field of radio and allows for electronic protection of ships through the creation on the basis of preset radio intelligence sighting device interference, able to lead technical intelligence (RTR) radio electronic equipment emissions (RES) of the enemy, to measure the parameters (frequency, pulse duration, repetition period) and to interfere with this RES (see U.S. patent No. 3891989, IPC H 04 To 3/00, publ. 1975, U.S. patent No. 3896439, IPC H 04 To 3/00, 1975, U.S. patent No. 3806926, IPC H 04 To 3/00, publ. 1974). The disadvantages of such devices - low range reconnaissance RES, working under conditions of increased stealth radio, the complexity of providing intelligence and auto-tracking when the REFs are short-term radiation on the background of a large flow of signals of their RES, lack of information provision from the native RES on the radar environment. These shortcomings do not allow to implement them in the management of interference parameters, such as radiation power depending on the distance to the jammed RES, which reduces the secrecy of the operation of noise and makes it difficult to provide their electromagnetic compatibility with other drugs and does not allow to save energy resources.

In the book Wakina S. A. and Pasha L. N. “Basics of jamming and electronic intelligence” described the station interference, containing the receiving and transmitting antennas, the intelligence is combined with noise, moreover, the output of razvetvlennykh, whose input is connected to the output of the receiving antenna, connected to the input of the system memory frequency, the output of which is connected to the input frequency, the output of which is connected to the first input of the power amplifier, the output of which is connected to the transmitting antenna, the second input of the amplifier connected to the output of the noise generator. Station noise works as follows. Signals suppressed radar, adopted by the receiving antenna, amplified in razodrannye open in exploration mode, is fed to the input of the system memory frequency, where at a certain time to remember the carrier frequency of the radar. Scheme frequency memorizing unit controls the tuning frequency of the transmitter interference, by means of which the transmitter is configured (power amplifier) at the carrier frequency suppressed radar. Mode suppression of interfering signal from the output of the amplifier is fed to the input of the transmitting antenna radiating in the direction of the suppressed radar. And this station interference has the same drawbacks as the above-mentioned device interference.

The closest technical solution adopted as a prototype, according to the authors, is the station I am glad.

Station radio reconnaissance and suppression contains a receiving antenna for receiving signals reflected from an object, and signals emitted by the RES object, its first output connected to the first input of the receiver, and the second with the first input of the receiver, an additional receiver to receive and amplify the signals reflected from an object, a clock for generating pulses with a repetition frequency of 1/f, where f is the spectral width of the emitted noise signal, multi-tap delay line for delaying the signal received additional receiver, the receiver for receiving signals, the emitted RES object and measuring their carrier frequency, pulse counter to calculate the distance to the object, the output of which is connected with external systems targeting system memory frequency for memory frequency signals emitted by the object, the unit of frequency tuning for frequency tuning of the noise generator and an extra receiver, the control system for operation control, relays capture to switch the station from the search object range in the tracking mode, the noise generator for the generation of high frequency noise signal, a threshold device for detecting which of redakcija at the time of reception of pulses, reflected from the object, these pulses are open for additional input circuits of the receiver, a first switch for switching from electronic intelligence (RTR) and suppression mode radar intelligence (HRD) and suppression, and Vice versa, recirculator for non-coherent accumulation of the pulse packet, the indicator for visual detection by the operator of the signals reflected from an object and determine its coordinates, transmitting antenna for radiation of interfering and probing signals in the direction of the object, a power amplifier for amplifying the emitted signal power, the output of which is connected to the input of the transmitting antenna, a second switch for switching modes generate pulsed or quasi-continuous interference in the station, the output of the second switch is connected to the input of the power amplifier. Station radio reconnaissance and suppression can operate in modes of surveillance and suppression, radar reconnaissance and suppression and radio and radar reconnaissance and suppression. The disadvantage of this station is a lack of analysis of the signal environment due to search engine discovery, the impossibility of classifying the various types of n is th at saturated radar environment, weak selectivity of the received signals. In addition, when installing such a station on the ship is almost impossible to provide suppression of RES opponent from both sides.

The technical problem solved by the invention is the elimination of the disadvantages of the prototype, the development of the naval complex radio-electronic countermeasures.

The solution of the stated problem is achieved by the fact that the ship's complex electronic countermeasure containing device measuring direction on the radiation source, the device recording and playback frequency, a measuring device direction on the radiation source contains the amplitude direction finders of the left and right sides, each of which includes N identical receiver channels of series-connected receiving antenna, amplifier high frequency power splitter and receiver with wide dynamic range, chart receiving antennas receiving channels intersect at the level of 0.5 and the amount of overlap sector 180the device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right side, the input of which is connected to the second outputs of the power divider to foster the about-to-digital conversion and pre-processing, the inputs of which are connected to the outputs of the amplitude and direction finders, frequency-measuring device and the first output utochnila bearing of the right and left side, and the input-output - with an automated control system, the second outputs of utochnila bearing left and right sides are connected to first and second inputs of the device memory and playback frequency, a third input connected to the first output of the automated control system and outputs - with the jammer left and right sides, the second and third outputs of the automated control system connected to inputs of utochnila bearing left and right sides, automated control system for two-way communication channel connected with the ship's systems, electromagnetic compatibility, radar situation and control the means of passive interference. The device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right side contains two groups of high-frequency adders, one of which combines the outputs of the even-numbered receiving channels amplitude direction finders of the left and right side, and the other is odd. Each otechnical bearing left and right to the corresponding input of the first switch, the other to the input of the second switch, the outputs of the switches through identical amplifiers high frequency and a power divider connected to the input of the interferometer is based on a matrix adder, the second output of one of the power divider is connected to the input of the recording and playback frequency, and the second output of another power splitter loaded on matching load control inputs of the switches connected to the output of the automated control system. Each transmitter interference of the left and right side contains the input offset of the amplitude-frequency characteristics, the output of which is connected to the power divider, connected to outputs through the same amplifier high frequency and the gate of the microwave with the inputs of the adder, the output of which is connected a frequency diplexer, the high frequency output of which is connected to a high frequency antenna, and the low-frequency to low-frequency antenna. The device memory and playback frequency contains serially connected input adder amplifier high-frequency, frequency-selective splitter signals, the first frequency Converter and power splitter, a first output of which is connected to the synthesizer masking interference and Udinese with the inputs of the adder, the output of which is connected serially connected second frequency Converter, a frequency-selective coupler signals, the amplifier high frequency and output power divider, the second output of the synthesizer masking noise is connected to the input of the local oscillators, the output of which is connected to the second inputs of the first and second frequency converters, the third output of the synthesizer masking noise connected with blenkiron input of controllable delay line, the control inputs of the synthesizer masking interference and the controlled delay line connected to the output of the automated control system.

The claimed ship complex electronic countermeasure meets the criteria of the invention of “novelty” and “inventive step”, because there is no source of information, which would describe the set of distinctive features of the claims.

The invention is illustrated by drawings, which depict: Fig.1 - structural diagram of the ship's complex electronic countermeasure, in Fig.2 is a structural diagram of a device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right sides of Fig.3 x right or left side, in Fig.5 is a structural diagram of a device recording and playback frequency. In Fig.1-5 are marked by numbers:

11- amplitude signal, the left side,

12- amplitude signal, the right side,

2 - device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right sides,

31frequency-measuring device in the odd-numbered receiving channels,

32frequency-measuring device even-numbered receiving channels,

4 - device analog-to-digital conversion and pre-processing,

5 - automated control system,

61- otechnical bearing left side,

62- otechnical bearing starboard side,

7 - device recording and playback frequency,

81transmitter interference left side,

82transmitter interference starboard side,

91-94- receiving antenna of the receiving channel amplitude direction finder,

10 - power high-frequency receiving channel amplitude direction finder,

11 - power divider receiving channel amplitude direction finder,

12 receiver with wide dynamic range of the receiving channel amplitude direction finder,

13 - input channel with korabelnyim passive jamming,

14 - output link with the ship's systems, electromagnetic compatibility, radar situation and control the means of passive interference,

15-22 second outputs of the power divider receiving channels of the amplitude of the signal,

23, 24 - output device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right sides,

25-30 - adders device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right sides,

311, 312- receiving antenna of the first pair of antennas utochnila bearing left or right side,

321, 322- receiving antennas of the second pair of antennas utochnila bearing left or right side,

331, 332- receiving antenna of the third pair of antennas utochnila bearing left or right side,

341, 342- receiving antenna of the fourth pair of antennas utochnila bearing left or right side,

351, 352- switches utochnila bearing left or right side,

36 - amplifiers high frequency utochnila bearing left or right side,

37 - the power divider of utochnila bearing left or right side,

38 - interfeysini,

41 - divider power of the transmitter interference of the left or right side,

42 - amplifiers high frequency transmitter interference of the left or right side,

43 - gates microwave transmitter interference of the left or right side,

44 - adder transmitter interference of the left or right side,

45 - frequency diplexer transmitter interference of the left or right side,

461, 462a transmitting antenna high-frequency and low-frequency ranges of the transmitter interference of the left or right side,

47 - input adder device recording and playback frequency,

48 - input amplifier high frequency device recording and playback frequency,

49 - input frequency-selective splitter device recording and playback frequency,

50 first frequency Converter device recording and playback frequency,

51 - power splitter device recording and playback frequency,

52 - controlled delay line device recording and playback frequency,

53 synthesizer masking interference device recording and playback frequency,

54 is a block heterodyne device recording and playback frequency,

55 - adder device recording and playback frequency,

56 the election splitter device recording and playback frequency,

58 - output amplifier high frequency device recording and playback frequency,

59 - output power divider device recording and playback frequency.

Declared naval complex electronic countermeasure (Fig.1) contains the amplitude direction finders of the left 11 and right 12 sides, each of which includes an even number of identical receiver channels, for example four, of the series-connected receiving antenna 91(92, 93, 94) amplifier high frequency 10 power splitter 11 and receiver 12 with a wide dynamic range. The directional receiving antennas 9 receiving channels 10 of the amplitude of the signal, one side intersect at the level of 0.5 and the amount of overlap sector 180to ensure a preset determination of bearing on the source of radiation from any direction relative to the ship. Paportnoe placement direction finders can reduce space requirements receiving antennas to eliminate the influence of deck superstructures and the underlying sea surface. The device 2 separate summation of signals even and odd-numbered receiving channels 10 amplitude direction finders 11, 11and odd 32receiving channels. Separated summation of signals received even-numbered and odd-numbered receiving channels are numbered sequentially from 0 to 360), which helps to eliminate errors in measuring the frequency of the reception signal of the adjacent antennas 9. The outputs of the receivers 12 and a frequency measuring device 31and 32connected to the device inputs 4 analog-to-digital conversion and pre-processing, which is designed to measure parameters of received signals and pre-selection false (interfering) signals, such as signals from their own RECs, from suppressed by means of his ship and ship connections RES opponent and, finally, the signals received from the areas served by the complexes of the jamming ships connection. The device 4 are connected by a channel exchange with an automated control system (ACS) 5, a multiprocessor computing system, the communication channels 13 and 14 connected with other shipboard control systems, for example, management of missile defense systems, management passive p is the information about radar environment (SART) from its own radar and radar ships compounds that allows you to identify SART with RTR, to classify targets according to the media types and severity, to make decisions about the use of countermeasures. This information is transmitted to the external system via a communication channel 14. Otechnical bearing left 61and right 62the boards provide the selected ACS 5 the purpose of determining the direction of the target with sufficient accuracy for antenna positioning of the jammer left 81and right 82the boards. The outputs of utochnila bearing 6 is connected to the corresponding inputs of the device 4 and the input device 7 recording and playback frequency, which are formed of interfering signals emitted by the transmitters interference 81and 82. Control inputs of utochnila bearing 6 and unit 7 is connected with the corresponding outputs of the ACS 5.

The device 2 separate summation of signals even and odd-numbered receiving channels (Fig.2) contains two groups of high-frequency adders 25-30, one of which includes the adders 25, 27, 29, combines the outputs 15, 17, 20, 22 odd-numbered receiving channels amplitude direction finders 11and 12the other adders 26, 28, 30 outputs 16, 18, 19, 21 even.

Each otechnical bearing 6 (Fig.3) contains N and 31, 32, 33, 34 and two switches 351and 352one of the antennas (311, 321, 331, 341each pair is connected to the corresponding input of the first switch 351other (312, 322, 332, 342to the input of the second switch 352the outputs of the switches 35 through identical amplifiers 36 high frequency and power divider 37 is connected to the input of the interferometer 38 on the basis of the matrix adder, the second output of one of the power divider (371) is connected to the input device 7, and the second output of another power splitter (372loaded on matching load 39, the control inputs of switch 35 is connected to the output of the ACS 5.

Each transmitter interference 81or 82(Fig.4) contains the input corrector 40 amplitude-frequency characteristics, the output of which is connected to the power splitter 41, connected to outputs through the same amplifier 42 high frequency and the valve SHF 43 with high-frequency inputs of the adder 44, the output of which is connected a frequency diplexer 45, the high frequency output of which is connected to a high frequency antenna 461and low-frequency to low-frequency antenna 462. Introduction corrector 40 together with the summation of the two channels Wuxi is more narrowband, allows you to significantly increase the power density of the interference with limited capacity, used amplifiers 42.

Unit 7 recording and playback frequency (Fig.5) contains serially connected input adder 47, the amplifier 48 high-frequency, frequency-selective splitter 49 signals, the first frequency Converter 50 and the power splitter 51, the first output of which is connected to the synthesizer 53 masking interference and the second controlled delay line 52. The outputs of the controllable delay line 52 and synthesizer 53 are connected to the inputs of an adder 55, the output of which is connected serially connected second inverter 56, a frequency-selective coupler 57 signals, the amplifier 59 high frequency and output power divider 59. The second output of the synthesizer 53 is connected to the input of the local oscillator 54, the output of which is connected to the second inputs of the first 50 and second 56 frequency converters. The third output of the synthesizer 53 is connected to bunkermuseum input of controllable delay line 52. The control inputs of the synthesizer 53 and controlled delay line 52 is connected to the output of the automated control system. The inputs of the adder 47 is connected to the outputs of the power divider 371at the>and 82. Control inputs of the synthesizer 53 and controlled delay line 52 is connected with the corresponding output ACS 5.

Job declared naval complex consists of the following. With the reception signal RES opponent at least one receiving channel direction finder 11or direction finder 12is instant measurement of bearing on the radiation source with an error less than half the width of the directional receiving antenna 9 and the carrier frequency of the received signal with the error defined by the capabilities of frequency-measuring devices 31, 32.

Then in the device 4 are determined: for a pulse signal to the carrier frequency, pulse width, amplitude, duration series and other parameters used to identify signals; for continuous signals - frequency, type of modulation, carrier frequency, and other parameters used for identification. The measured parameters are compared with previously explored, and implemented their identification and detection of newly discovered targets. The parameters explored purposes transmitted from device 4 in ACS 5. In ACS 5 analyzes radio and radar environment, identifies the types of media RES pbor suppression, control of execution of decisions on the use of active and passive jamming, process management guidance and interference. Information about the radio environment and identified the order is transmitted over the communication channel 14 to other ship systems management. With the adoption of the decision on the suppression of RES opponent proactive interference from ACS 5 command to connect a respective pair of antennas 31, 32, 33 or 34 utochnila bearing to the outputs of the switches 351, 352and depending on the choice of the type of noise (pulse or mask) command sets the mode of the device 7. The output signal of the interferometer 38, the ratio of amplitudes which contain information about the direction of the radiation source with high accuracy, enter the device 4, which calculates the exact bearing whose value is passed in ACS 5 and is used for pointing the transmit antennas of the transmitter 8. Every signal of utochnyalis bearing 6 this signal with its output is fed to a corresponding input of high frequency adder 47, is amplified by the amplifier 48, is remembered as the carrier frequency by operation of the configuration of the frequency-selective splitters 49 and 57, preventi 51 is input to the controllable delay line 52, which is formed leading hindrance, and to the input of the synthesizer 53, which is formed by masking the noise. The interference signal from the output of the adder 55 is input to the frequency Converter 56, which frequency-selective splitter recovered carrier. The interference signal is amplified by amplifier 58, through the power divider 59 is supplied to the jammer 8 and is emitted in the direction of the RES of the enemy.

Declared naval complex electronic countermeasure provides instant detection of airborne and shipborne radars, radar homing anti-ship missiles, automatic measurement of parameters of received radio signals, the definition of dangerous areas of the enemy's attack and create the conditions controlled and managed electromagnetic compatibility of radio-electronic means of their own ships active interference in hazardous areas separately or in conjunction with automatically controlled by means of passive interference of various types.

Claims

1. Naval complex electronic countermeasure containing the unit of measurement areas on INIA direction to the radiation source contains the amplitude direction finders of the left and right sides, each of which includes N identical receiver channels of series-connected receiving antenna, amplifier high frequency power splitter and receiver with wide dynamic range, chart receiving antennas receiving channels intersect at the level of 0.5 and the amount of overlap sector 180the device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right side, the input of which is connected to the second outputs of the power divider receiving channels, and outputs the frequency-measuring devices even-numbered and odd-numbered receiving channels, the device analog-to-digital conversion and pre-processing, the inputs of which are connected to the outputs of the amplitude and direction finders, frequency-measuring device and the first output utochnila bearing of the right and left side, and the input-output with an automated control system, the second outputs of utochnila bearing left and right sides are connected to first and second inputs of the device memory and playback frequency, a third input connected to the first output of the automated control system, and outputs jammer left and right Borago and starboard automated control system for two-way communication channel connected with the ship's systems, electromagnetic compatibility, radar situation and control the means of passive interference.

2. Naval complex electronic countermeasure under item 1, characterized in that the device separate summation of signals even and odd-numbered receiving channels amplitude direction finders of the left and right side contains two groups of high-frequency adders, one of which combines the outputs of the even-numbered receiving channels amplitude direction finders of the left and right side, and the other is odd.

3. Naval complex electronic countermeasure under item 1 or 2, characterized in that each otechnical bearing left and right side contains N pairs of identical receiving antennas and two switches, one of the antennas of each pair connected to a corresponding input of the first switch, the other to the input of the second switch, the outputs of the switches through identical amplifiers high frequency and a power divider connected to the input of the interferometer is based on a matrix adder, the second output of one of the power divider is connected to the input of the memorization and reproduction who are satisfied with the output of the automated control system.

4. Naval complex electronic countermeasure on one of the PP.1-3, characterized in that each transmitter interference of the left and right side contains the input offset of the amplitude-frequency characteristics, the output of which is connected to the power divider, connected to outputs through the same amplifier high frequency and gate with the inputs of the adder, the output of which is connected a frequency diplexer, the high frequency output of which is connected to a high frequency antenna, and the low-frequency to low-frequency antenna.

5. Naval complex electronic countermeasure on one of the PP.1-4, characterized in that the device recording and playback frequency contains serially connected input adder amplifier high-frequency, frequency-selective splitter signals, the first frequency Converter and power splitter, a first output of which is connected to the synthesizer masking interference and the second controlled delay line outputs controlled delay line and synth masking noise are connected to the inputs of the adder, the output of which is connected serially connected second frequency Converter, a frequency-selective coupler signals of the n input block lo the output of which is connected to the second inputs of the first and second frequency converters, the third output of the synthesizer masking noise connected with blenkiron input of controllable delay line, the control inputs of the synthesizer masking interference and the controlled delay line connected to the output of the automated control system.

 

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FIELD: methods for protection of an active radar against antiradar missiles.

SUBSTANCE: in the method and device for protection of radar against antiradar missiles accomplished are radiation of sounding signals, detection of antiradar missiles, guidance of anti-aircraft missiles on the antiradar missile, destruction of the anti-radar missile by blasting of the warhead of the anti-aircraft missile, guidance of the anti-aircraft missile at least during a time period directly preceding the blasting of the warhead of the anti-aircraft missile, all this is conducted on the trajectory passing in the vicinity of the imaginary line connecting the antiradar missile and the radar, in this case constantly are determined the distance from the radar to the antiradar missile Dr-arm, from the radar to the anti-aircraft missile Dr-aacm and from the anti-aircraft missile to the antiradar missile Daacm-acm, and at the time moments leading the moments of radiation of the radar sounding signal by value t=(Dr-aacm+Daacm-arm-Dr-arm)/v, where v - velocity of light, commands are given from the radar to the anti-aircraft missile for radiation of a signal simulating the radar signal.

EFFECT: reduced dynamic errors of guidance of anti-aircraft missile on antiradar missile.

3 cl, 6 dwg

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