RussianPatents.com
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Generator of random oscillations with inertial nonlinearity. RU patent 2379822. |
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FIELD: physics; radio. SUBSTANCE: proposed invention relates to radio-electronics and can be used as source of random electromagnetic oscillations. The generator of random oscillations with inertial nonlinearity has an operational amplifier, the negative feedback circuit of which has a variable resistor and a first field-effect transistor, the input of which is connected to the output of the operational amplifier through a Wien RC-circuit and to the input of a second operational amplifier, the output of which is connected to the input of a nonlinear inertial converter, with the output of the nonlinear inertial converter connected to the input of the field-effect transistor. EFFECT: increased accuracy of generating random auto-oscillations with given structure, simple design and power consumption of the generator. 3 cl, 1 dwg
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Generator of broadband frequency-modulated signal / 2342780 Invention concerns radio engineering and application as shapers of noises in transmitters of noises of different function, and also in radio communication resorts can find. Generator of the broadband frequency-modulated signal contains the shaper modulating oscillations and the self-oscillator, the generator of a signal with a continuous spectrum, the multiplication block, a loading, thus the shaper modulating oscillations are contained by the shaper of the normalised noise, the shaper of sawtooth impulses, the shaper of a white noise and the adder, and the self-oscillator contains the tunable shaper of a constant voltage and the generator controllabled a voltage. |
Parametric generator of traveling wave of stochastic oscillations / 2341864 Parametric generator of traveling wave of stochastic oscillations contains non-linear amplifier, inertial unit, 1, ..., nth units of non-linear elements, band-pass filter of the second order and pumping oscillator. |
Generator of artificial traffic / 2339155 Invention is related to radio engineering and communication, may be used in modeling and testing of telecommunication systems, in particular, local computer networks at the stage of design. Random sequences generated in this invention make it possible to imitate the load with property of self-similarity. In generator of random signals, which contains noise generator, the first device of selection and storage, generator of ramp voltage, the first comparison circuit, delay element and RS-trigger, the following components are introduced: additional generator of noise, the second device of selection and storage, the second comparison circuit, reconfigurable clock pulse generator and switch. Invention may be used for long-term prediction of self-similar load during synthesis of communication network control system in aspects of intranet organisation. |
Method of generating pseudorandom signal chaotic sequence / 2335842 Proposed method incorporates generating chaotic sequence of pseudorandom signals by numeric integration of a non-linear set of differential equations with the dynamic chaos and the variable step of time count directly proportional to the depth of modulation and the control effect time function. |
Superhigh frequency wide band random signal generator / 2332780 According to proposed design, SHF wide band random signal generator, represents series-connected SHF wide-band amplifier, directional coupler, load, and feedback circuit connected between the other output of directional coupler and input of SHF wide-band amplifier and containing nonlinear element. The latter is designed in the form of magnetic field regulated wide band nonlinear pass-band filter on magneto-static waves, having incident area of amplitude characteristic and simultaneously providing delay of signal travelling in feedback circuit. |
Method of generation of wide-band shf chaotic signals and generator of wide-band shf chaotic signals / 2327278 Invention relates to generation of the wide band SHF chaotic signals and may be used in communication, radars, instruments. The method allows reducing the irregularity of spectral characteristic and features a consecutive signal amplification by, at least, two amplification stages, the first operating in a minor amplification mode, while the other one, in a mode of nonlinear amplification. The signal is limited after amplification in the third amplification cascade which operates in a limiting mode. A part of the signal, after limitation, is branched off in the load, and the part of signals left after branching off is sent to the first amplification cascade. The generator incorporates the first and second amplification cascades, the limitation cascade made as the third amplification cascade, and a microband coupler. |
Generator of chaotic oscillations / 2321155 Generator of chaotic oscillations contains resistor, capacitor, two inductive elements and nonlinear impedance transformer. |
Device and method for generation of chaotic signal with constant amplitude / 2307451 Constant amplitude chaotic signal device contains an array of triangular shape signal generators, composed of n individual triangular shape signal generators, where n is more than one, adder of signals, controller of amplitude of total signal, regulator of average value of signal, ensuring possible control over average frequency, sinusoidal generator, controlled by voltage. Method for producing chaotic signal with constant amplitude is characterized by following operations: a set of triangular shape signals is generated with symmetric frontal and back fronts; aforementioned set of signals is totalized to form a single composite signal, consisting of sections with linear alternation of voltage; required amplitude of composite signal is set by application of controlling voltage; average composite signal frequency value is set by applying controlling voltage; by means of resulting composite signal, chaotic change of frequency of sinusoidal voltage-controlled generator is performed. |
Random-wave oscillator / 2305891 Proposed random-wave oscillator has inductive component, capacitor, resistor, negative-resistance unit, and nonlinear capacitive component. |
Device and method for generation of chaotic signal / 2298281 The device has a group of independent pulse generators, OR gates, a group of independent sinusoidal oscillators and an adder. A binary signal with a pseudorandom phase manipulation is formed in the method, this signal is used for switching-on and switching-off of the sinusoidal oscillators, the signals of the sinusoidal oscillators are summed up in the adder with formation of a chaotic signal at its output. |
Poisson pulse stream generator / 2246174 Proposed Poisson pulse stream generator has k + 1 memory devices, comparison unit, k digital-to-analog converters, control circuit, register, counter, selector, k bell-shaped pulse generators, adder, voltage-to-current converter, and clock generator. |
Random-vibrations generator / 2246790 Proposed generator of integrated design that can be used as source of random electromagnetic waves has two resistors, two capacitors, negative-conductivity device, and negative-conductivity parallel RC circuit. |
Vibroacoustic noise generator / 2253181 Proposed vibroacoustic noise generator that can be used in information protection systems to produce noise signal for blocking voice information interception from locations designed for secret negotiations has microphone, microphone amplifier, log amplifier, splitter, n band filters, n scramblers, n random pulse generators, adder, power amplifier, and radiator. Effectiveness of noise signal produced by generator is independent of generator location, acoustic properties of room, vibration properties of guarding structures and engineering services, and type of radiators connected to generator. |
Chaotic wave oscillator / 2256287 Proposed chaotic wave oscillator has negative-resistance nonlinear device, capacitor, two inductance components, and resistor; current-voltage characteristic of negative-resistance device is such that voltage across its terminals is unambiguous function of current flowing through this device. |
Random-length pulse generator / 2261525 Proposed random-length pulse generator that can be used for signal simulation in data transfer systems and produces random-length pulses of desired statistical characteristics has frequency standard, delay line, multiplexer, pseudorandom number generator, adding unit, and flip-flop. |
Vector synthesizer / 2266566 Known vector generator, having noise generator, digital filters, connected to first input of adder, multiplexers, random numbers generator, n blocks of serial adders, control block, device for visual output, additionally has analysis block. Outputs of analysis block are connected to inputs of control block. Outputs of noise generator are connected to n blocks of digital filters, outputs of the latter are connected to inputs of n blocks of serial adders. Outputs of n blocks of serial adders are connected to n multiplexers, outputs of the latter are connected to device for visual output. |
Random-wave oscillator / 2273088 Proposed random-wave oscillator that incorporates provision for nonlinear signal conversion independently of physical standard values of its circuit components has inductive component, two capacitors, resistor, and nonlinear impedance converter whose transfer characteristic is described by specified equation. |
Method for concealing electromagnetic channels leaking speech signals in sound-amplifying equipment / 2277758 In accordance to invention, method includes generation, amplification and emission of concealing noise signal, and also substantial changes and additions, namely: noise signal is amplified in mode B or AB, pulse automatic-compensating stabilization of power amplifier powering voltage is utilized, stabilized voltage is filtered by upper frequencies filter, lower limiting frequency is higher than upper frequency of audible spectrum, but lower than frequency of pulse stabilizer. |
Method for generating test signal incorporating probability distribution function / 2290748 Proposed method for generating test signal incorporating desired distribution probability function F(x) concerning occurrence of instant test signal amplitude values x(t) depends on generation of original signal r(t) with uniform distribution of instant amplitude values within the range of 0 to 1 and its functional conversion; generated as original signal r(t) is determinated signal with period T0 for which purpose signal φ(t) varied obeying known law and using desired algorithm is functionally converted. |
Noise generator / 2292109 Proposed noise generator that can be used in small-size noise transmitters and data protection systems for blocking mobile telephone communications by generating masking noise has n amplifying components and two integrated feedback-interconnected multiple-resonant oscillatory systems. |
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