JPH09270772A - Reception disturbing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the disturbing effect by arranging plural modulators corresponding to plural pseudo object generating circuits and changing a disturbance modulation mode for each pseudo disturbance object in response to a characteristic and a disturbing status of an object. SOLUTION: Pseudo object generating circuits 6a, 6b, 6c generate a pseudo disturbance object at a prescribed position based on an azimuth and distance data around a preset object position in a computer 3 based on pseudo azimuth data and a pseudo pulse. Modulators 8a, 8b, 8c applies optional disturbance modulation for each pseudo disturbance object and pseudo disturbance objects subject to disturbance modulation are synthesized by a synthesizer 7. The pseudo disturbance objects synthesized by the synthesizer 7 are amplified by an amplifier 9 up to prescribed transmission power and the disturbing modulation is sent in the direction object direction from a transmission antenna 10 as a disturbing wave. Moreover, an azimuth correction control circuit 11 and a timing correction control circuit 12 are used to correct the disturbing wave, then a deceptive effect is improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reception jamming device, and is particularly used in the field of ECM. By analyzing incoming radio waves and identifying a target, a pseudo jamming target radio wave (interference wave) is obtained with respect to a required target. The present invention relates to a reception jamming device that transmits.

[0002]

2. Description of the Related Art FIG. 8 is a system block diagram of a reception jamming apparatus according to the prior art. The reception jamming device according to the prior art includes a reception antenna 1, a reception processor 2, a computer 3, an azimuth simulation circuit 4, a pulse simulation circuit 5, and pseudo target generation circuits 6a and 6a.
b, 6c, a combiner 7, a modulator 8, an amplifier 9 and a transmission antenna 10. The receiving antenna 1 receives an incoming radio wave.
The reception processor 2 performs specifications detection of received radio waves and accumulation processing of pulse data. The computer 3 analyzes and discriminates the target and sets the interference specifications for the target target. The azimuth simulation circuit 4 simulates the scan of the target target. The pulse simulation circuit 5 simulates a target target transmission pulse. The pseudo target generation circuits 6a, 6b and 6c generate pseudo interference targets.
The synthesizer 7 synthesizes the pseudo disturbance target. The modulator 8 performs interference modulation on the pseudo interference target. The amplifier 9 amplifies the interference modulated pseudo interference target. The transmission antenna 10 transmits an interference wave.

Next, the operation of the reception jamming device will be described.

The pulse data of the intermittent arrival signal is received by the reception antenna 1, and this reception signal is detected by the reception processor 2 and stored as pulse data.
The pulse data accumulated in the computer 3 is analyzed,
The required target target is identified, and data such as the scan period of the target target, the main beam arrival time, the pulse repetition frequency, and the pulse arrival time are detected. On the other hand, the azimuth simulating circuit 4 generates pseudo azimuth data corresponding to the scan cycle of the target target, and the pulse simulating circuit 5 generates pseudo pulse corresponding to the pulse repetition frequency of the target target. The pseudo azimuth data and the pseudo pulse are respectively fed back to the reception processor 2, and the pseudo azimuth data,
The pseudo pulse is accumulated in the reception processor 2 as pseudo pulse data in parallel with the received signal. Further, in the computer 3, the azimuth deviation is detected from the pseudo azimuth data and the arrival time of the main beam for each scan of the target target, and the azimuth correction of the azimuth simulation circuit 4 is performed. In the computer 3, the deviation between the pseudo pulse and the arrival time of the target pulse is detected for each scan of the target target, and the timing of the pulse simulation circuit 5 is corrected.

Next, the pseudo target generation circuits 6a, 6b, 6c
Generates a plurality of pseudo-jamming targets at predetermined positions. The pseudo jamming target is preset in the computer 3 based on the pseudo azimuth data and the pseudo pulse.
It is generated based on the azimuth and distance data centered on the target target position. These pseudo interference targets are combined in the combiner 7, subjected to a predetermined interference modulation in the modulator 8 and amplified to a predetermined transmission power in the amplifier 9.
The amplified pseudo disturbance target is transmitted from the transmission antenna 10 as a disturbance wave in the target direction.

[0006]

The following points have not been taken into consideration in the reception jamming device according to the above-mentioned conventional technique. First, since the reception jamming device employs the single jamming modulation method, the modulation method cannot be changed for each pseudo-jamming target, and there is a problem that the jamming effect is small. Further, secondly, since the above-mentioned reception jamming device performs the synchronous correction of the azimuth and the timing for each scan of the target target,
Depending on the reception status of radio waves, etc., synchronization may not be accurately obtained. In such a case, there is a problem that the movement of the pseudo interference target is not smooth, it is easy to distinguish the pseudo interference target and the true echo, and the deception effect is small.

The present invention has been made to solve the above problems. Therefore, an object of the present invention is to provide a reception jamming device that can arbitrarily change the jamming modulation mode for each pseudo jamming target to improve the jamming effect and smooth the movement of the pseudo jamming target to improve the deception effect.

[0008]

In order to solve the above-mentioned problems, the invention described in claim 1 is a receiving antenna for receiving an incoming radio wave, specification of the received radio wave, and accumulation of pulse data. A receiving processor for processing, a computer for analyzing and identifying the target target, and setting interference specifications for the target target, an azimuth correction control circuit for performing azimuth synchronization correction control for the target target, and the azimuth synchronization correction control. Azimuth simulation circuit that simulates the scan of the target target that has been performed, a timing correction control circuit that performs timing synchronization correction control of the target target, and a pulse simulation that simulates the transmission pulse of the target target that has been subjected to the timing synchronization correction control. A circuit, and a plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets for the target target based on the outputs of the direction simulation circuit and the pulse simulation circuit, A plurality of modulators arranged corresponding to a plurality of pseudo interference targets to perform a predetermined interference modulation, a combiner for combining the plurality of pseudo interference targets subjected to the interference modulation, and the combined pseudo interference An amplifier for amplifying the target to a predetermined transmission power and a transmission antenna for transmitting the amplified pseudo interference target as an interference wave are provided.

In the invention described in claim 1, a plurality of modulators are arranged corresponding to a plurality of pseudo target generation circuits, and the interference modulation mode is set for each pseudo interference target according to the characteristics of the target target and the interference situation. Can be changed, so that the interference effect when a plurality of pseudo interference targets are generated can be improved. Further, since the azimuth correction control circuit and the timing correction control circuit are provided, the movement of the pseudo interference target becomes smooth, it becomes difficult to distinguish between the pseudo interference target and the true echo, and the deception effect can be improved.

According to a second aspect of the present invention, a receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave, and a process for accumulating pulse data, and a target target analysis and identification. And a computer for setting disturbance specifications for the target target, a direction correction control circuit for performing the direction synchronization correction control of the target target, and a direction simulation circuit for simulating the scan of the target target for which the direction synchronization correction control is performed. A timing correction control circuit for performing timing synchronization correction control of the target target, a pulse simulation circuit for simulating a transmission pulse of the target target for which the timing synchronization correction control is performed, an output of the azimuth simulation circuit, and a pulse simulation circuit. A random pseudo target generation circuit that randomly generates a large number of pseudo interference targets that differ in direction and distance based on the output, A modulator for performing a predetermined interference modulation on an interference target, an amplifier for amplifying the pseudo interference target on which the interference modulation is performed up to a predetermined transmission power, and a transmission antenna for transmitting the amplified pseudo interference target as an interference wave. , Is provided.

In the invention described in claim 2, since a large number of pseudo interference targets different in azimuth and distance can be randomly generated by the random pseudo target generation circuit, it is difficult to visually recognize a true echo and the deception effect is improved. it can.

According to a third aspect of the present invention, a receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave, and a pulse data accumulation process, and a target target analysis and identification. And a computer for setting disturbance specifications for the target target, a direction correction control circuit for performing the direction synchronization correction control of the target target, and a direction simulation circuit for simulating the scan of the target target for which the direction synchronization correction control is performed. A timing correction control circuit for performing timing synchronization correction control of the target target, a pulse simulation circuit for simulating a transmission pulse of the target target for which the timing synchronization correction control is performed, an output of the azimuth simulation circuit, and a pulse simulation circuit. A plurality of pseudo target generation circuits that generate a plurality of pseudo interference targets for the target target based on the output, and are arranged corresponding to the plurality of pseudo interference targets, respectively. Re plurality of first performing a predetermined interference modulation
A modulator, a combiner for combining a plurality of pseudo interference targets subjected to interference modulation by the first modulator, and a large number of different azimuths and distances based on the output of the azimuth simulating circuit and the output of the pulse simulating circuit. A random pseudo target generation circuit for randomly generating a pseudo interference target; a second modulator for performing a predetermined interference modulation on the randomly generated pseudo interference target;
A switch for switching between the pseudo interference target output from the combiner and the pseudo interference target output from the second modulator, and an amplifier for amplifying the pseudo interference target selected by the switch to a predetermined transmission power. And a transmission antenna for transmitting the amplified pseudo interference target as an interference wave.

According to the third aspect of the present invention, the interference modulation mode is changed for each pseudo interference target according to the characteristics of the target target and the interference status via the pseudo target generation circuit, the first modulator and the combiner. The pseudo jamming target and the pseudo jamming target in which the jamming modulation mode is changed randomly depending on the azimuth and the distance via the random pseudo target generating circuit and the second modulator are properly used by the switch, so that the deception effect can be improved. .

According to a fourth aspect of the present invention, a receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and a process for accumulating pulse data, and an analysis and identification of a target target. And a computer for setting disturbance specifications for the target target, a direction correction control circuit for performing the direction synchronization correction control of the target target, and a direction simulation circuit for simulating the scan of the target target for which the direction synchronization correction control is performed. A timing correction control circuit for performing timing synchronization correction control of the target target, a pulse simulation circuit for simulating a transmission pulse of the target target for which the timing synchronization correction control is performed, an output of the azimuth simulation circuit, and a pulse simulation circuit. A plurality of pseudo target generation circuits that generate a plurality of pseudo interference targets for the target target based on the output, and are arranged corresponding to the plurality of pseudo interference targets, respectively. A plurality of modulators that perform predetermined interference modulation, a variable attenuator that controls the transmission output power according to the generation position of the target target for each of the plurality of pseudo interference targets that have been subjected to the interference modulation, and the transmission output power A combiner for synthesizing a plurality of controlled pseudo interference targets, an amplifier for amplifying the combined pseudo interference targets to a predetermined transmission power, and a transmission antenna for transmitting the amplified pseudo interference targets as interference waves. , Is provided.

In the invention described in claim 4, the transmission output power can be controlled by the variable attenuator according to the generation position of the target target, and the pseudo interference target and the true echo in the visibility on the partner target side PPI are controlled. Since the difference between and can be made smaller, the deception effect can be improved.

According to a fifth aspect of the present invention, a receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating pulse data, and a target target analysis and identification. And a computer for setting the interference specifications for the target target, an azimuth correction control circuit for performing the azimuth synchronization correction control of the target target, and an azimuth simulation circuit for simulating the scan of the target target for which the azimuth synchronization correction control is performed. A timing correction control circuit that performs timing synchronization correction control of the target target, a pulse simulation circuit that simulates a transmission pulse of the target target that has been subjected to the timing synchronization correction control, an output of the azimuth simulation circuit, and an output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating pseudo interference targets for a plurality of target targets respectively, and corresponding to the plurality of pseudo interference targets respectively. A plurality of modulators that are installed to perform predetermined interference modulation, a variable attenuator that controls the transmission output power according to the generation position of the pseudo interference target for each of the plurality of pseudo interference targets that have been subjected to the interference modulation, and the interference A target radiation characteristic memory control circuit that controls the transmission output power according to the antenna radiation characteristic of the target target for each of a plurality of modulated pseudo interference targets, and the transmission output power by the variable attenuator and the target radiation characteristic memory control circuit. A combiner for synthesizing a plurality of controlled pseudo interference targets, an amplifier for amplifying the combined pseudo interference targets to a predetermined transmission power, and a transmission antenna for transmitting the amplified pseudo interference targets as interference waves. , Is provided.

According to the fifth aspect of the invention, the transmission output power according to the generation position of the pseudo target target can be controlled by the variable attenuator, and the antenna radiation characteristic of the target target is controlled by the target radiation characteristic storage control circuit. Since the transmission output power can be controlled, the difference between the pseudo interference target and the true echo can be almost eliminated in the visibility on the partner target side PPI, and the deception effect can be improved.

According to a sixth aspect of the present invention, a receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating pulse data, and a target target analysis and identification. And a computer for setting disturbance specifications for the target target, a direction correction control circuit for performing the direction synchronization correction control of the target target, and a direction simulation circuit for simulating the scan of the target target for which the direction synchronization correction control is performed. A timing correction control circuit for performing timing synchronization correction control of the target target, a pulse simulation circuit for simulating a transmission pulse of the target target for which the timing synchronization correction control is performed, an output of the azimuth simulation circuit, and a pulse simulation circuit. A plurality of pseudo target generation circuits that generate a plurality of pseudo interference targets for the target target based on the output, and are arranged corresponding to the plurality of pseudo interference targets, respectively. A plurality of modulators that perform predetermined interference modulation, a sequence interference control circuit that controls an interference modulation mode in a predetermined sequence in response to a change in the characteristics of the target, and a plurality of pseudo interferences that have been subjected to the interference modulation. A combiner for combining the targets, an amplifier for amplifying the combined pseudo interference target to a predetermined transmission power, and a transmission antenna for transmitting the amplified pseudo interference target as an interference wave. To do.

In the invention described in claim 6, since the interference modulation mode is changed by the sequence interference control circuit according to the characteristic change of the target, the interference effect can be improved.

According to a seventh aspect of the present invention, a receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave, and a process for accumulating pulse data, and an analysis and identification of a target target. And a computer for setting disturbance specifications for the target target, a direction correction control circuit for performing the direction synchronization correction control of the target target, and a direction simulation circuit for simulating the scan of the target target for which the direction synchronization correction control is performed. A timing correction control circuit for performing timing synchronization correction control of the target target, a pulse simulation circuit for simulating a transmission pulse of the target target for which the timing synchronization correction control is performed, an output of the azimuth simulation circuit, and a pulse simulation circuit. A plurality of pseudo target generation circuits that generate a plurality of pseudo interference targets for the target target based on the output, and are arranged corresponding to the plurality of pseudo interference targets, respectively. Re plurality of first performing a predetermined interference modulation
A modulator, a combiner for combining a plurality of pseudo interference targets subjected to interference modulation by the first modulator, and a large number of different azimuths and distances based on the output of the azimuth simulating circuit and the output of the pulse simulating circuit. A random pseudo target generation circuit for randomly generating a pseudo interference target; a second modulator for performing a predetermined interference modulation on the randomly generated pseudo interference target;
A combined sequence interference control circuit for controlling an interference modulation mode in a predetermined sequence corresponding to a change in the characteristic of the target target, a pseudo interference target output from the combiner, and a pseudo interference target output from the second modulator. A switch that switches between the two, an amplifier that amplifies the pseudo interference target selected by the switch to a predetermined transmission power, and a transmission antenna that transmits the amplified pseudo interference target as an interference wave. Is characterized by.

According to the seventh aspect of the invention, since the switching of the pseudo interference target and the change of the interference modulation mode can be simultaneously controlled in a predetermined sequence by the combination sequence interference control circuit, the characteristic change of the target target can be dealt with. Therefore, the deception effect, the obstruction effect, and the combined effect of the deception effect and the obstruction effect can be improved.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, embodiments of the present invention will be described. FIG. 1 is a system block diagram of a reception jamming apparatus according to Embodiment 1 of the present invention. The reception jamming apparatus according to the first embodiment includes a reception antenna 1, a reception processor 2, a computer 3, an azimuth simulation circuit 4, a pulse simulation circuit 5, and pseudo target generation circuits 6a, 6b, 6c.
A combiner 7, modulators 8a, 8b, 8c, an amplifier 9, a transmission antenna 10, an azimuth correction control circuit 11, and a timing correction control circuit 12 are provided.

The receiving antenna 1 receives an incoming radio wave.
Receive processing and pulse data storage processing. The computer 3 analyzes and discriminates the target target and sets the interference specifications for the target target. The azimuth simulation circuit 4 simulates the scan of the target target. The pulse simulation circuit 5 simulates a target target transmission pulse. Pseudo target generation circuit 6a, 6
b and 6c generate pseudo jamming targets. The synthesizer 7 synthesizes the pseudo disturbance target. The modulators 8a, 8b and 8c perform arbitrary interference modulation corresponding to the respective pseudo interference targets. The amplifier 9 amplifies the interference modulated pseudo interference target. The transmission antenna 10 transmits an interference wave. The azimuth correction control circuit 11 controls whether the azimuth correction is continued. The timing correction control circuit 12 controls whether the timing correction is continued.

Next, the operation of the aforementioned reception jamming device will be described.

The intermittent arrival signal is received by the reception antenna 1, and the pulse specifications of the intermittent arrival signal are detected by the reception processing unit 2 and stored as pulse data. The accumulated pulse data is analyzed by the computer 3 to identify the required purpose and detect the scan cycle of the target, the arrival time of the main beam, the pulse repetition frequency, the arrival time of the pulse and the like.

On the other hand, the azimuth simulating circuit 4 converts the pseudo azimuth data corresponding to the scan cycle of the target target into the pulse simulating circuit 5.
Generates pseudo-pulses corresponding to the target pulse repetition frequency. These pseudo azimuth data and pseudo pulse are fed back to the reception processor 2 and accumulated as pseudo pulse data in parallel with the received signal. In the calculator 3, the azimuth deviation is detected from the pseudo azimuth data and the arrival time of the main beam, and the azimuth deviation is output to the azimuth correction control circuit 11 together with the azimuth correction control data.
In the azimuth correction control circuit 11, these data are once stored and the azimuth deviation initial data is output to the azimuth simulation circuit 4 and the azimuth correction is continued based on the azimuth correction control data or left as it is. Whether or not to do so is determined, and the output of the orientation correction data is controlled. The azimuth simulating circuit 4 executes azimuth correction based on the azimuth correction data.

Similarly, in the computer 3, the time phase shift is detected from the arrival times of the pseudo pulse and the target pulse, and the time phase shift and the timing correction control data are output to the timing correction control circuit 12. In the timing correction control circuit 12, these data are temporarily stored and the time phase shift initial data is output to the pulse simulation circuit 5 and the timing correction is continued based on the timing correction control data, or the initial correction remains unchanged. It is determined whether or not to leave it, and the output of the timing correction data is controlled. The pulse simulation circuit 5 executes timing correction based on the timing correction data.

Next, the pseudo target generation circuits 6a, 6b, 6c
Generates a pseudo interference target at a predetermined position based on the azimuth and distance data centered on the position of the target target, which are preset in the computer 3 on the basis of the pseudo azimuth data and the pseudo pulse.

Next, the modulators 8a, 8b and 8c perform arbitrary interference modulation for each pseudo interference target, and the pseudo interference targets subjected to this interference modulation are combined by the combiner 7. The pseudo interference target combined by the combiner 7 is amplified by the amplifier 9 to a predetermined transmission power, and this amplified interference modulation is transmitted from the transmission antenna 10 in the target direction as an interference wave.

In the reception interference apparatus according to this embodiment, a plurality of pseudo target generation circuits 6a, 6b and 6c for generating pseudo interference targets at predetermined positions, and modulators 8a, 8b for performing interference modulation corresponding thereto. And 8c and a synthesizer 7 for synthesizing the interference-modulated pseudo-jamming targets to generate a plurality of pseudo-jamming targets having arbitrary jamming modulation modes similar to true echoes at arbitrary positions. You can Further, in the reception interference device, the azimuth correction control circuit 11 performs the azimuth synchronization correction, and the timing correction control circuit 12 performs the timing synchronization correction, so that the movement of the pseudo interference target becomes smooth and the deception effect can be improved. .

Embodiment 2 FIG. 2 is a system block diagram of a reception jamming apparatus according to Embodiment 2 of the present invention. The reception jamming apparatus according to the second exemplary embodiment includes a random pseudo target generation circuit 13 between the azimuth simulating circuit 4, the pulse simulating circuit 5, and the modulator 8. The random pseudo target generation circuit 13 randomly generates a large number of pseudo interference targets different in azimuth and distance. In the reception jamming device configured in this way, a large number of pseudo jamming targets different in direction and distance can be randomly generated,
The true echo is hard to see and the deception effect can be improved.

Embodiment 3 FIG. 3 is a system block diagram of a reception jamming apparatus according to Embodiment 3 of the present invention. The reception jamming apparatus according to the third embodiment includes the pseudo target generation circuits 6a, 6b, 6c, the modulators 8a, 8b, 8c, and the combiner 7 of the reception jamming apparatus according to the first embodiment described above, and the second embodiment described above. The random pseudo target generation circuit 13 and the modulator 8d according to
4 is provided. In the switcher 14, the pseudo target generation circuits 6a, 6b, 6c, the modulators 8a, 8b, 8c and the plurality of pseudo interference targets generated via the combiner 7 are different from the randomly generated directions and distances. Multiple pseudo-jamming targets can be switched arbitrarily. In the reception interference device configured in this way, it is possible to properly use the pseudo interference target according to the characteristics of the target target and the reception situation,
The deception effect can be improved.

Embodiment 4 FIG. 4 is a system block diagram of a reception jamming apparatus according to Embodiment 4 of the present invention. The reception jamming apparatus according to the fourth exemplary embodiment is the same as the reception jamming apparatus according to the first exemplary embodiment, except that the variable attenuator 1 is provided between the modulators 8a, 8b and 8c and the combiner 7.
5a, 15b and 15c. Variable attenuator 15a,
15b and 15c are arranged corresponding to the modulators 8a, 8b and 8c, respectively. This variable attenuator 15a,
15b and 15c control the transmission output power according to the generation position of the target. In the reception jamming device configured as described above, the transmission output power according to the generation position of the target target can be controlled by the variable attenuators 15a, 15b, and 15c. Since the difference from the true echo can be made smaller, the deception effect can be improved.

Embodiment 5 FIG. 5 is a system block diagram of a reception jamming apparatus according to Embodiment 5 of the present invention. The reception jamming apparatus according to the fifth embodiment includes target radiation characteristic storage control circuit 16 that is connected to the variable attenuators 15a, 15b, and 15c in the reception jamming apparatus according to the fourth embodiment. The target radiation characteristic storage control circuit 16 can control the transmission output power according to the antenna radiation characteristic of the target. In the reception jamming device configured as described above, the variable attenuators 15a, 15b and 15 are used.
The transmission output power corresponding to the generation position of the pseudo target can be controlled by c, and the target radiation characteristic storage control circuit 16
Since the transmission output power according to the antenna radiation characteristic of the target target can be controlled by the above, the difference between the pseudo interference target and the true echo can be almost eliminated in the visibility on the partner target side PPI, and the deception effect can be improved.

Embodiment 6 FIG. 6 is a system block diagram of a reception jamming apparatus according to Embodiment 6 of the present invention. The reception jamming apparatus according to the sixth embodiment includes a sequence jamming control circuit 17 which is connected to the computer 3 and the modulators 8a, 8b, 8c in the reception jamming apparatus according to the first embodiment. The sequence interference control circuit 17 can change the interference modulation mode in a predetermined sequence in response to a change in the characteristics of the target. In the reception interference apparatus configured as described above, the interference modulation mode can be changed by the sequence interference control circuit 17 according to the characteristic change of the target, so that the interference effect can be improved.

Embodiment 7 FIG. 7 is a system block diagram of a reception jamming apparatus according to Embodiment 7 of the present invention. The reception jamming apparatus according to the seventh embodiment includes a combination sequence jamming control circuit 18 connected to the computer 3 and the modulators 8a, 8b, 8c, 8d in the reception jamming apparatus according to the third embodiment. The combined sequence interference control circuit 18 controls the switching of the pseudo interference target and the change of the interference modulation mode at the same time in a predetermined sequence. In the reception obstruction device configured as described above, the deception effect, the obstruction effect, and the combined effect of the deception effect and the obstruction effect can be improved in response to the characteristic change of the target target.

[0037]

In the reception jamming device according to the present invention,
Equipped with a modulator for each pseudo target generation circuit and changing the interference modulation mode for each pseudo interference target, multiple pseudo interference targets with different interference modulation modes can be generated simultaneously according to the characteristics of the target target and the interference situation. , The jamming effect can be improved. Further, in the reception jamming device according to the present invention, the azimuth correction control circuit performs the azimuth synchronization correction, and the timing synchronization correction control circuit performs the timing synchronization correction, so that the movement of the pseudo interference target becomes smooth and the deception effect is obtained. Can be improved.

[Brief description of drawings]

FIG. 1 is a system block diagram of a reception jamming device according to a first embodiment of the present invention.

FIG. 2 is a system block diagram of a reception jamming device according to a second embodiment.

FIG. 3 is a system block diagram of a reception jamming device according to a third embodiment.

FIG. 4 is a system block diagram of a reception jamming device according to a fourth embodiment.

FIG. 5 is a system block diagram of a reception jamming device according to a fifth embodiment.

FIG. 6 is a system block diagram of a reception jamming device according to a sixth embodiment.

FIG. 7 is a system block diagram of a reception jamming device according to a seventh embodiment.

FIG. 8 is a system block diagram of a reception jamming device according to a conventional technique.

[Explanation of symbols]

1 reception antenna, 2 reception processor, 3 computer, 4 direction simulation circuit, 5 pulse simulation circuit, 6a to 6c pseudo target generation circuit, 7 synthesizer, 8a to 8d modulator, 9 amplifier, 10 transmission antenna, 11 direction correction Control circuit, 1
2 timing correction control circuit, 13 random pseudo target generation circuit, 14 switcher, 15a to 15c variable attenuator, 16 target radiation characteristic storage control circuit, 17 sequence interference control circuit, 18 combination sequence interference control circuit.

Claims (7)

[Claims] 1. A reception antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating processing of pulse data, and analyzing a target target, identifying and interfering with a target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating the transmission pulse of the target target for which the timing synchronization correction control has been performed, and for the target target based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets, and a predetermined interference modulation provided for each of the plurality of pseudo interference targets. A plurality of modulators, a combiner for combining the plurality of pseudo interference targets subjected to the interference modulation, an amplifier for amplifying the combined pseudo interference targets up to a predetermined transmission power, and the amplified pseudo interference targets And a transmitting antenna for transmitting as a disturbing wave, and a receiving disturbing device comprising: 2. A receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating processing of pulse data, an analysis and identification of a target target, and an interference parameter for the target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating a target target transmission pulse for which the timing synchronization correction control has been performed, and an azimuth and a distance based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A random pseudo target generation circuit that randomly generates a large number of different pseudo interference targets, and a predetermined interference to the randomly generated pseudo interference targets. A modulator that performs the modulation, an amplifier that amplifies the pseudo interference target on which the interference modulation is performed up to a predetermined transmission power, and a transmission antenna that transmits the amplified pseudo interference target as an interference wave. Characterizing reception interference device. 3. A receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating processing of pulse data, a target target analysis, identification, and interference specification for the target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating the transmission pulse of the target target for which the timing synchronization correction control has been performed, and for the target target based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets, and a predetermined interference modulation provided for each of the plurality of pseudo interference targets. A plurality of first modulators, a combiner that combines a plurality of pseudo interference targets that have been subjected to interference modulation by the first modulator, and an azimuth and distance based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A random pseudo target generation circuit that randomly generates a large number of different pseudo interference targets, a second modulator that performs a predetermined interference modulation on the randomly generated pseudo interference targets, and a pseudo interference output from the combiner A switch for switching between the target and the pseudo interference target output from the second modulator, an amplifier for amplifying the pseudo interference target selected by the switch to a predetermined transmission power, and the amplified pseudo interference target And a transmitting antenna for transmitting as a disturbing wave, and a receiving disturbing device comprising: 4. A reception antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating processing of pulse data, a target target analysis, identification and interference specification for the target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating the transmission pulse of the target target for which the timing synchronization correction control has been performed, and for the target target based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets, and a predetermined interference modulation provided for each of the plurality of pseudo interference targets. A plurality of modulators, a variable attenuator that controls the transmission output power according to the generation position of the pseudo interference target for each of the plurality of pseudo interference targets on which the interference modulation has been performed, and a plurality of the transmission output power controlled multiple attenuators A combiner for synthesizing the pseudo interference target, an amplifier for amplifying the combined pseudo interference target to a predetermined transmission power, and a transmission antenna for transmitting the amplified pseudo interference target as an interference wave. Characterizing reception interference device. 5. A receiving antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating processing of pulse data, a target target analysis, identification, and interference specification for the target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating the transmission pulse of the target target for which the timing synchronization correction control has been performed, and for the target target based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets, and a predetermined interference modulation provided for each of the plurality of pseudo interference targets. A plurality of modulators, a variable attenuator that controls the transmission output power according to the generation position of the target target for each of the plurality of pseudo interference targets for which the interference modulation is performed, and a plurality of pseudo interference for which the interference modulation is performed Target radiation characteristic memory control circuit that controls the transmission output power according to the target target antenna radiation characteristics for each target, and a plurality of pseudo interference targets whose transmission output power is controlled by the variable attenuator and the target radiation characteristic memory control circuit A combiner for synthesizing the simulated pseudo-disturbance target, an amplifier for amplifying the synthesized pseudo-disturbance target to a predetermined transmission power, and a transmission antenna for transmitting the amplified pseudo-disturbance target as a disturbing wave. Interfering device. 6. A reception antenna for receiving an incoming radio wave, a reception processor for detecting specifications of the received radio wave and accumulating processing of pulse data, an analysis of a target target, an identification and a disturbance data for the target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating the transmission pulse of the target target for which the timing synchronization correction control has been performed, and for the target target based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets, and a predetermined interference modulation provided for each of the plurality of pseudo interference targets. A plurality of modulators, a sequence disturbance control circuit that controls a disturbance modulation mode in a predetermined sequence in response to a change in the characteristic of the target target, and a synthesizer that synthesizes the plurality of pseudo disturbance targets that have been subjected to the disturbance modulation A reception jamming apparatus comprising: an amplifier that amplifies the synthesized pseudo jamming target to a predetermined transmission power; and a transmission antenna that transmits the amplified pseudo jamming target as a jamming wave. 7. A reception antenna for receiving an incoming radio wave, a reception processor for detecting the specifications of the received radio wave and accumulating processing of pulse data, an analysis and identification of a target target, and a disturbance specification for the target target. A computer for setting, an azimuth correction control circuit for performing azimuth synchronization correction control of the target target, an azimuth simulation circuit for simulating a scan of the target target for which the azimuth synchronization correction control is performed, and a timing synchronization correction for the target target A timing correction control circuit for performing control, a pulse simulation circuit for simulating the transmission pulse of the target target for which the timing synchronization correction control has been performed, and for the target target based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A plurality of pseudo target generation circuits for generating a plurality of pseudo interference targets, and a predetermined interference modulation provided for each of the plurality of pseudo interference targets. A plurality of first modulators, a combiner that combines a plurality of pseudo interference targets that have been subjected to interference modulation by the first modulator, and an azimuth and distance based on the output of the azimuth simulation circuit and the output of the pulse simulation circuit. A random pseudo target generation circuit that randomly generates a large number of different pseudo interference targets, a second modulator that performs a predetermined interference modulation on the randomly generated pseudo interference targets, A combination sequence interference control circuit for controlling an interference modulation mode in a predetermined sequence, and a switcher for switching between the pseudo interference target output from the combiner and the pseudo interference target output from the second modulator, An amplifier that amplifies the pseudo interference target selected by the switcher to a predetermined transmission power, and a transmission antenna that transmits the amplified pseudo interference target as an interference wave. A reception jamming device characterized by being provided.