RU29198U1 - Jammer - Google Patents

Description

INTERFERENCE FORMING DEVICE.

The utility model relates to radio engineering, specifically to the field of electronic warfare (EW), namely, its component of electronic suppression, and can be used to protect surface ships.

A known method of suppressing airborne radar (RL) means of the enemy I. The method is implemented by the armament system of electronic electronic countermeasures (RE) of an interference station (SP) type SPP-30, an automated jamming control system such as AKUP-22, in which the joint ventures operate in pairs with power addition transmitter interference in space. To ensure the addition of powers, the transmitters are excited from a single source with a phase shift, which also provides changes in the direction of the maximum of the interference radiation (electronic control of the radiation pattern of the antenna system).

MPK7 N04KZ / 00 GO IS 7/32 The disadvantages of the method are: rather cumbersome implementation thereof,

the need to work in pairs, the difficulty of adjusting the phase and changing the direction of the maximum radiation interference.

Known jamming station 2. The invention can be used for electronic suppression of pulse-Doppler radar stations (radar) early warning. A disadvantage of the known multichannel automated device for interfering with radar stations is that it effectively interferes with airborne radars operating at close frequencies (in the same frequency channel). In a situation where several radar stations are located in the antenna pattern (BOTTOM) of a joint venture and they operate at different frequencies (in different frequency channels), due to an increase in the width of the interference spectrum, the interference power density will decrease and, therefore, the suppression range will decrease. The possibility of increasing the efficiency of the SP when suppressing pulse-Doppler early warning radars is based on the features of its functioning, due to the creation of intermittent interference. The need to detect all z bursts of pulses to uniquely determine the range makes it possible to effectively suppress the pulse-Doppler radar of early detection by lowering at least one of these bursts below the acceptable detection quality. To achieve this effect, the noise can be intermittent noise synchronized with the radiation of one of the packs.

The multichannel automated device for interfering with radar stations includes a control and synchronization device (CCS), a decoder, N channel switches, N time slot measuring devices. Information on the duration of the pulse-Doppler early warning radar at each of the pulse repetition frequencies from the output of the time interval measurement device of each frequency channel in the form of a digital parallel code is supplied to the control and synchronization device, which based on this information from

frequency channels develops a decision on the numbers and sequence of jamming in these frequency channels, as well as on the interference parameters (duration, period) in them. In accordance with this decision, the DCS in the jamming mode will look up sequentially in time with a cycle equal to the repetition period of the jamming, in the form of digital parallel codes, information about the frequency channel numbers on the decoder, which, recognizing the code combination, feeds the control signal to the corresponding code channel switch combinations. The duration of each control signal is determined by the duration of the interfering signal for a given frequency channel, determined by the CCS.

The advantage of the proposed joint venture is that it allows you to suppress multiple pulse-Doppler early warning radars operating at different frequencies and located on the bottom of the joint venture without reducing the power density of the interference due to their alternate suppression of intermittent noise interference and thereby increase the efficiency of the joint venture when suppressing several pulse Doppler early warning radar 5, p. 51.

The disadvantage of such a joint venture is the possibility of errors in the allocation and target designation due to the complexity of the implementation of the CCS and its connections with the decoder and switch.

A known method of creating a response to the impulse altimeters of aircraft (LA) 3. The method relates to methods for disrupting the normal operation of electronic devices by interfering with their receivers, in particular, to methods for interfering with radar devices.

The purpose of this invention is to reduce the power consumption of the interference transmitter or to simultaneously suppress multiple altimeters by applying

..

3 response impulse noise with parameters allowing to combine interference impulses

and altimeter impulses reflected from the earth's surface.

The method includes receiving an altimeter signal by an interference station reconnaissance device, determining the direction to the aircraft and signal parameters, and emitting interference pulses in response to each altimeter pulse with some delay.

New in the method is to set the delay time in the form of the algebraic sum of the propagation time of the radiations of the LA-surface and SP-LA paths, the pulses of the radio altimeter and interference, as well as the n pulse repetition periods of the radio altimeter, determine the number n, the choice of the duration of the interference pulse as a function of measurement error defining delays, and changing the order of combining signal pulses and noise when reducing the current delay time to zero or increasing it by the value of the average period following it Pulse radio altimeter 5, p.52.

The disadvantage of this method is the possibility of additional errors in determining the delay time when determining the paths of the LA-surface and SP-LA.

A known method of creating radar jamming 4. A radar jamming method consists in receiving radio pulses of the radar suppressed by the reconnaissance device of the joint venture, measuring the angular coordinates of the radar relative to the joint venture (azimuth and elevation angle), measuring the repetition periods of the radar pulses or the duration of the bursts of pulses (when suppressing pulse Doppler radars), measure the time taken by electromagnetic radiation to radar-SP-radar distances (2tp), emit interference radio pulses in response to each radar pulse or in response to the first pulse of each packet with delay T3, they emit interference with the maximum power of the SP (Rmax) during the time Tn, after which the interference power is abruptly reduced to the level of the SINS and this level is maintained for a time equal to the difference in the repetition period

.

radar pulses (or burst duration) Tp and Tp values, and for each

Nadavlivaemyh radar RMIN value is determined by the formula p 018P I I

min j-O max ts and Tp are determined by the formulas

t3 TP - 2tp;

Tp-1.27 1

mulam

Tz Tp - 2tp +

I

I 9P G

ctp

W D 7R 1 -02 min I L

with art

2K, „„ | 2R,

 1.27q

where C is the propagation velocity of electromagnetic energy,

RMHH - minimum radar distance - an object masked by interference, at which the interference remains effective.

The value of 2tp is determined by radar radar or the object on which it is installed, using as a locator SP.

The technical result of the invention is to reduce the average interference power and power consumption of the transmitter 5, p. 56.

The disadvantage of this method is the impossibility of autonomous use and the need to attract additional information from the radar.

-0.2 min

Lp

Known automatic response jamming station according to patent 6. Summary of the invention: automatic response jamming station tracking radars.

The station consists of a receiving antenna, an input splitter of microwave signals, a device for short-term reproduction of a carrier frequency, an input microwave amplifier, a first and second microwave couplers, a microwave switch, an output microwave amplifier, a transmitting antenna, a device for generating noise interference, a device for recording pulse and continuous sounding signals , an amplitude detector, a phase modulator, a logic inhibit element, a shaper of gating and modulating pulses, a control device, and a temporary programming, the logical signal processing apparatus, the first and second modulating voltages formers baseband 7, p.60.

The disadvantage of this joint venture is its rather significant complexity for solving such a relatively simple task as creating response interference to tracking radars.

A device for electronic suppression for moving objects according to certificate 8.

Radio-electronic suppression device for moving objects, comprising a first control panel, a first computer, a transmitter control unit, a first transmitter, a first switch and a first antenna, a receiver and control unit in series, an antenna control unit, a first display ..., characterized in that that the second antenna and the coordinate meter are connected in series to the device ... the second switch and the third antenna, the fourth antenna connected in series, I’m glad buttes, MUJCl. second computer and second control panel ... signal processing unit, second, third, fourth, fifth transmitters, fifth, sixth, seventh antennas, heading sensor and second display.

,,. The disadvantage of this device is its rather significant complexity, in

In particular, two computers, seven antennas, two displays, etc.

Known interference generator according to certificate 9. In the interference generator containing a pulse generator and an amplifier, the output of which is connected to the transmitting antenna, an additional generator of high-frequency harmonic oscillations is introduced, the output of which is connected to the first input of the mixer, the output of which is connected to the input of the amplifier, the pulse generator being made in the form of a random pulse generator, and its output is connected to the first input of the mixer. The random pulse generator consists of a noise generator, the output of which is connected to the output of the storage unit, a clock pulse generator, the output of which is connected to the input of the ramp generator to the counting input RS - trigger, the installation input of which is connected to the output of the comparator, and its output is the output a generator of a random sequence of pulses, and the outputs of a memorable unit and a ramp generator are connected respectively to the first and second mu inputs of the comparator.

The disadvantage of the interference generator is the inability to adjust the parameters of a random sequence of pulses and high-frequency harmonic oscillations.

The closest in technical essence, adopted as a prototype, is a device for the formation of radio interference 10.

The device generates radio interference, which ensures the creation of targeted deliberate, misinforming radio interference, taking into account the particularities of data link layer communication protocols.

The radio interference generating device comprises an antenna system with an antenna switch connected to its output with a detection and analysis unit, the first output of which is connected to a transmission intensity determination unit, and the second to

a control unit, the first output of which is connected to the antenna system and the antenna switch, the second to the interference transmitter, the third to the interference generating unit, the fourth to the transmission intensity determination unit, the output of which through the time interval generating unit is connected to the second input of the interference generating unit, connected by its output to an interference transmitter, the output of which is connected to the first input by an antenna system with an antenna switch.

The known jamming device 10 cannot be applied in modern conditions: on the one hand, due to the saturation of the environment with various radio-electronic means (RES), electromagnetic compatibility (EMC) is not ensured, which practically leads to a complete inefficiency of the intended operation of the device, and on the other On the other hand, the device provides only temporary gating, while in modern conditions with the progressive improvement of RES, frequency gating is also required, i.e. e response to a signal conjugate in time, frequency and type of interference that the device does not provide, that is, it is not necessary to talk about any efficiency.

The purpose of creating a utility model is to provide:

EMC when working in a complex radio environment;

- response to the received signal conjugate not only in time but also in frequency (time-frequency gating) and in the form of interference.

The technical result from the use of the proposed utility model is to provide EMC in a complex radio environment, i.e. providing the ability to conduct electronic reconnaissance during the operation of the station of active interference, and the formation of interference associated with the received signal in frequency, time, spectrum and type of interference.

U.//

8 The goal is achieved by the fact that in a known device forming

interference 10, comprising an antenna system with an antenna switch 1, an interference transmitter 3, a signal detection and analysis unit 4, a control unit 6, a transmission intensity determination unit 8 connected through a time interval generating unit 10 to a first input of an interference generating unit 9, the second output of which connected to the second input of the jamming transmitter 3, the first output of the control unit 6 is connected to the second input of the transmission intensity determination unit 8, the second output - to the second input of the jamming unit 9, the third output - to the second input system with an antenna switch 1, and the first input with the second output of the signal detection and analysis unit 4, the first output of which is connected to the first input of the transmission intensity determination unit 8, the first and second rejection filters 2 and 5, as well as a digital memory unit, are additionally introduced 7, the first input of which is connected to the first output of the jamming unit 9, and the output - with the first input of the second notch filter 5, connected by the second input to the fourth output of the signal detection and analysis unit 4, the output of the second notch Filter 5 is connected to the first input of the interference transmitter 3, the output of which is connected to the first input of the antenna system with the antenna switch 1, connected by its output to the first input of the first notch filter 2, the output of which is connected to the first input of the signal detection and analysis unit 4, connected by the third output with the second input of the first notch filter 2, the second input 11 of the signal detection and analysis unit 4 is the input from the ship’s EMC system, and the fifth output 12 is the output to the ACS of the REP complex, the second input 13 of the control unit 6 is I input from ACS REP complex.

The set of newly introduced elements and relationships does not follow explicitly from the prior art, therefore, the proposed device should be considered new. The invention is illustrated by the drawing in Fig., Which shows

block diagram of the proposed device for the formation of interference. The jamming device comprises:

1- antennas JTO system with antenna switch,

2- first notch filter,

3- jammer transmitter,

4- signal detection and analysis unit,

5 - second notch filter,

6- control unit,

7- block of digital memory,

8 - block determining the intensity of the gears,

9- jamming unit,

10 - block for the formation of time intervals,

11- input from the ship’s EMC system,

12 - access to the automated control system of the REP complex,

13 - entrance from the automated control system of the REP complex.

Moreover, the output of the antenna system with the antenna switch 1 through the first notch filter 2 is connected to the input of the signal detection and analysis unit 4, the first output of which is connected to the first input of the transmission intensity determination unit 8, the second output is connected to the first input of the control unit 6, and the third output is connected to the second input of the first notch filter 2, the fourth output to the second input of the second notch filter 5. The first output of the control unit 6 is connected to the second input of the gear intensity determination unit 8, the output of which is through the unit the formation of time intervals 10 is connected to the first input of the jamming unit 9, the second output to the second input of the jamming unit 9, the third output to the second input of the antenna system with the antenna switch 1, the fourth output to

a 10

the second input of the second notch filter 5, connected by its first input to the output of the digital memory unit, and the output to the first input of the jammer 3, the second input of which is connected to the second output of the jamming unit 9, and the output to the first input of the antenna system with an antenna switch 1.

The proposed device for generating interference is as follows.

The received signal from the antenna system with the antenna switch 1 (the antenna switch is in the receiving position) through the first notch filter 2 is fed to the signal detection and analysis unit 4. The signal detection and analysis unit 4 consists of a receiver and an analyzer of technical (spectral, structural) characteristics signal to determine the type of interference.

The receiver (provides an automatic search for signals by frequency, space and time) is used to detect XPS emissions, inject the signal, amplify and process it, and is 16 frequency-controlled superheterodyne matrix receivers. The analyzer is used for the technical analysis of the parameters of the detected signals (frequency, duration, code interval, repetition rate) and the choice of the interference structure. Based on the results of the analysis of signals by the transmission intensity determination unit 8 and the time interval generation unit 10, a decision is made to create interference and corresponding signals are transmitted to the interference generation unit 9.

Block interference generation 9 in accordance with the type of the received signal according to information from the control unit 6 generates various types and their structures of misinforming and masking interference.

The control unit 6 is used to collect, process information about the signals and their sources, display on indicators, combine the frequency of the signal and the interference, ensure the necessary accuracy of pointing the interference to the signal, and also turn off the interference transmitter 3. Interference transmitter 3 through an antenna system with an antenna switch 1

(the antenna switch is in the “transmit” position) it emits (misinforming and masking) interference in a given frequency range.

The presence of a digital memory unit 7 due to digital radio-frequency memory devices provides the formation of reference (conjugated in the frequency spectrum) interference signals, including for suppressing radio electronic systems with a complex signal structure (pulse compression, linear frequency modulation, phase-code modulation, etc.). This provides a response to the received signal, coupled in time, frequency and type of interference.

In comparison with known devices, the number of served channels and speed increase due to time-frequency gating.

The inclusion of controlled notch filters in the antenna system is provided by EMC.

The implementation of the antenna-feeder system on complex U-shaped waveguides provides the broadband of the antenna-feeder system, which allows to increase the broadband of the system, in particular for the variants of jamming devices considered in practice from 500 MHz to 10 GHz, and this in turn increases the speed and allows reduce the number of lettering stations. Thus, the proposed device in comparison with the prototype allows you to provide EMC and the formation of interference, coupled (matched) with the received signal in frequency, time and type of interference.

The proposed device is easily implemented on known industrially produced elements and nodes, in particular

- an antenna system in the form of linear or circular antenna arrays or systems of horn elliptical antennas with an antenna switch on pin diodes

-block detection and analysis in the form of a multi-channel superheterodyne

a receiver based on broadband U-shaped waveguides and frequency conversion modules 12,

- a block of digital memory in the form of digital devices for storing and reproducing frequency based on monoblocks of radio frequency memory M44131

- control units, determine the transmission intensity, the formation of time intervals and the formation of interference on the FPGA company ALTERA and IC series 530,533,1534 14,

notch filters in the form of multi-link bandpass filters and high-speed pin-diode switches on U-shaped waveguides 12,

-antenna-feeder system is made on complex U-shaped broadband waveguides 12, 16,

transmitter based on broadband TWT 17.

The presented drawing and description of the jamming device allow, using the existing elemental base 11-19 described above, to manufacture it industrially and use for its intended purpose, which characterizes the proposed utility model as industrially applicable.

Sources of information.

1. Application RU No. 93034912, Cl. 6 G01S 7/38, 1993, Malyshev E.V. Methods of suppressing enemy airborne radar.

2. Application RU No. 93042352, Cl. 6 H04K 3/00, 1993, Yagolnikov S.V., Syromyatnikov A.V., Tyagnibedin I.A., Ivanov A.P. Jamming station.

3. Application RU No. 94020137, Cl. 6 H04K 3/00, 1994, Kuznetsov O.Yu., Kuznetsov Yu. A., Translators V.I. et al. A method for creating response interference by a pulsed radio altimeter of aircraft.

.. Patent RU No. 2093965, Cl. 6 H04K 3/00, 1994, Zavyalov M.A., Kuznetsov O.Yu.,

Kuznetsov, Yu. A., et al. Method for creating a nomeh radar station.

5.Vakin S.A., Shustov L.N. Fundamentals of radio countermeasures and radio intelligence. - M .: Sov.radio. 1968.

6. Patent RU No. 2103705, Cl. 6 G01S 7/38, 1994, Butenko V.I., Erofeev Yu.N., Mikhailov L.V. Automatic response jamming station.

7.Paly A.I. Electronic warfare. - Military publishing house of the Ministry of Defense of the USSR. 1994.

8. Certificate RU No. 8195, 1997, A. Anisiforov, N. Bublik, V. Bezmaga et al. Radio-electronic suppression device for moving objects.

9. Certificate RU No. 9354, Cl. 6 H04K 3/00, 1998, A. Ostapenko Jammer

10. Application RU No. 94023775, Cl. 6 H04K 3/00, 1994, Churovsky S.R., Volkov V.E., Shishkov A.Ya. Radio interference shaping device.

11.Rudolph Kuhn. Microwave antennas. - M .: Shipbuilding. 1967.

12. Lebedev K.V. Microwave equipment and devices. - M .: Higher school. 1970.13.Bakhtiyarov G.D. Digital signal processing. Problems and main

directions for increasing efficiency. - Foreign electronics. 1984.

14. The nomenclature of high-tech IET recommended for development in the Russian Federation and for dual-use in REA. - M.: Association "Fund UNIET. 2001.

15.Shilo V.L. Popular chip TTL. - M .: Argus. 1993.

16.Krokin V.V. Elements of radio receivers. - M .: Soviet radio. 1964.

17.Voskoboinik M.F., Chernikov A.I. Microwave equipment and devices.

18. Transmission lines of complex sections Edited by Doctor of Technical Sciences Mikhalevsky B.C. Publishing house of the Rostov-on-Don University. 1983.

Claims (1)

An interference generating device comprising an antenna system with an antenna switch connected to its first input with an output of an interference transmitter, a signal detection and analysis unit, a control unit, a transmission intensity determination unit connected through a time interval generating unit to a first input of an interference generating unit, the second output of which connected to the second input of the interference transmitter, the first output of the control unit is connected to the second input of the transmission intensity determination unit, the second output to the second input of the block interference generation, the third output is with the second input of the antenna system with the antenna switch, and the first input is with the second output of the signal detection and analysis unit, the first output of which is connected to the first input of the transmission intensity determination unit, characterized in that the first and the second notch filters, as well as a digital memory unit, the first input of which is connected to the first output of the jamming unit, the second input to the fourth output of the control unit, and the output to the first input of the second notch filter connected to the second input with the fourth output of the signal detection and analysis unit, the output of the second notch filter is connected to the first input of the interference transmitter, the output of the antenna system with the antenna switch is connected to the first input of the first notch filter, the output of which is connected to the first input of the signal detection and analysis unit connected by the third output to the second input of the first notch filter, the second input of the signal detection and analysis unit is the input from the electromagnetic compatibility system to it’s working, and the fifth exit is access to the automatic control system of the electronic countermeasures complex, the second input of the control unit is the input from the automatic control system of the electronic countermeasures complex.