JP3485043B2 - Tracking obstruction device and tracking obstruction method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tracking obstruction device and a tracking obstruction method, and deception and tracking of a tracking-type flying body which detects and tracks a target by a radio wave sensor and a radar, The present invention relates to a tracking blocking device and a tracking blocking method suitable for effectively blocking tracking and confirming a deception effect.

[0002]

2. Description of the Related Art As a conventional technique, FIG. 13 is a block diagram of a tracking type flying body defense method disclosed in, for example, Japanese Patent Laid-Open No. 9-42895. In the figure, 1 is an aircraft (aircraft),
2 is a chaff cloud (a radio wave reflection means made of a small piece of metal), 3 is a tracking-type flying body (for example, a missile) that is equipped with a radio wave source induction sensor and is guided to a radio wave radiation source, and 29 is a radio wave emitted to the chaff cloud Is a radio wave irradiation pattern of.

Next, the operation of the tracking-type flying body defense method having the above-mentioned structure will be described. The aircraft 1 scatters chaff to form a chaff cloud 2, and then radiates a narrow-beam sharp radio wave toward the chaff cloud 2. The radiated radio wave is reflected by the chaff cloud 2 and a part of it is detected by the radio wave source induction sensor of the tracking type flying body 3. The tracking type flying body 3 judges that the chaff cloud 2 is a radio wave radiation source and is guided to the chaff cloud 2. As a result, it is possible to effectively prevent the tracking-type flying body from tracking the aircraft 1.

[0004]

Since the conventional tracking-type flying body defense method is configured as described above, the tracking-type flying body 3 detects the reflected wave by the chaff cloud 2 by the radio wave source induction sensor, and then It was not possible to confirm whether or not it was guided to the chaff cloud 2. In this way, the conventional tracking obstruction method obstructs the tracking of the tracking-type flying object, and there is still room for improvement in confirming its effect.

The present invention has been made in order to solve the above problems, and irradiates a chaff cloud with a radio wave, guides the tracking type flying vehicle to the chaff cloud by its reflected wave, and transmits and receives a radar wave. It is a first object of the present invention to provide a tracking prevention device that can track a tracking-type flying object and check the interference effect on the tracking-type flying object. Further, the present invention irradiates the chaff cloud with radio waves and guides the tracking-type flying vehicle to the chaff by the reflected wave thereof, and at the same time, the tracking-type flying body is tracked by transmitting and receiving the radar wave to obtain an effect of obstructing the tracking-type flying body. A second object is to provide a tracking prevention method that can be confirmed.

[0006]

[0007]

Means for Solving the Problems The invention according to claim 1,
A chaff spraying device for spraying chaff, an interfering wave irradiating means for irradiating an interfering wave in the dispersal direction of chaff, a deception device connected to the interfering wave irradiating means, and a flight for tracking a tracking type air vehicle by transmitting and receiving radar waves. A body tracking means and a disturbance analysis device for analyzing the tracking method used by the tracking type air vehicle,
The deception device is a distance deception disturbing wave for causing the tracking type flying object to erroneously detect the distance to the target object, and a speed deception disturbing wave for causing the tracking type flying object to erroneously detect the speed of the target object, and the distance. An interference wave including a deception interference wave and a velocity deception interference wave in combination is selected, and the interference wave emitted by the interference wave irradiation means is selected based on an analysis result of the interference analysis device.

[0008]

According to a second aspect of the present invention, a chaff spraying step of spraying chaff, a disturbing wave irradiating step of irradiating a disturbing wave in a spraying direction of the chaff, and a flying object tracking for tracking a tracking type flying vehicle by transmitting and receiving radar waves. A step and a disturbance analysis step of analyzing the tracking method used by the tracking type air vehicle, the interference wave irradiation step, a distance deception interference wave for causing the tracking type flying object to erroneously detect the distance to the target object. A step of irradiating with a velocity deceptive interference wave for causing a tracking type flying object to erroneously detect the velocity of a target object, and a step of irradiating an interference wave in which the distance deception interference wave and the velocity deception interference wave are combined, It is characterized in that the interference wave to be emitted in the interference wave emission step is selected based on the analysis result of the analysis step.

The invention according to claim 3 is the tracking interference method according to claim 2 , wherein the irradiation of the interference wave and the transmission / reception of the radar wave are executed so as to prevent mutual radio wave interference.
The disturbance wave irradiating step and the flying object tracking step are executed at the same time.

According to a fourth aspect of the present invention, there is provided the tracking obstruction method according to the second aspect , wherein the chaff spraying step and the interfering wave irradiation step are executed in a first aircraft, and the flying object tracking step is a first step. It is performed in the second aircraft, and the disturbing wave irradiating step and the flying object tracking step are simultaneously performed.

According to a fifth aspect of the present invention, in the tracking obstruction method according to the fourth aspect, the chaff spraying step includes a plurality of chaff spraying steps for forming a plurality of chaff clouds around the self. The disturbance wave irradiation step is sequentially performed for each chaff cloud.

The invention according to claim 6 is the tracking obstruction method according to claim 4 , wherein the chaff spraying step is executed in a first aircraft, and the interfering wave irradiating step and the flying object tracking step are It is characterized in that it is executed on two aircraft.

According to a seventh aspect of the invention, there is provided the tracking obstruction method according to the fourth aspect , wherein the flying object tracking step is the first step.
And the second aircraft as well.

The invention according to claim 8 is the tracking obstruction method according to claim 2 , further comprising a flying object obstruction step of directly irradiating the flying object with an interfering wave, wherein the interfering wave irradiation step and the flying object obstruction step are performed. Alternately, the flying object tracking step is performed.

The invention according to claim 9 is the tracking obstruction method according to any one of claims 2 to 3 , further comprising a position detecting step for detecting the position of the chaff cloud by transmitting and receiving a laser, and detecting the position. The disturbing wave irradiating step is executed toward the chaff cloud thus generated.

The invention according to claim 10 is the invention according to claims 3 to 8.
The tracking interference method according to any one of claims 1 to 3, wherein the interference waves emitted in the interference wave irradiation step are a combination of a distance deception interference wave, a velocity deception interference wave, and a distance deception interference wave and a velocity deception interference wave. It is characterized by including an interfering wave.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. It should be noted that elements common to each drawing are denoted by the same reference numerals, and redundant description will be omitted.

Embodiment 1. In FIG. 1, 1 is an aircraft, 2 is a chaff cloud, 3 is a radio wave tracking type flying body guided by a radio wave radiation source, 4 is an interfering wave radiated from the aircraft to the chaff cloud, 5 is a radio wave tracking type flying body It is a radar wave that tracks the body 3.

FIG. 2 shows a block diagram of the tracking obstruction device mounted on the aircraft 1. As shown in FIG. 2, the tracking obstruction device includes a chaff sprinkling device 6. Chaff spraying device 6
Is a device for spraying chaff clouds. The chaff spraying device 6 is installed on the support base 7. The support base 7 can change the direction of the chaff spraying device 6 arbitrarily.

The tracking obstruction device has an obstruction antenna 8. The jamming antenna 8 is installed on the antenna support 9 so that the direction of the radio wave can be changed arbitrarily. An interference wave transmitter 10 is connected to the interference antenna 8.
The interference wave transmitter 10 has a function of causing the interference antenna 8 to output a predetermined interference wave.

The tracking interference device has a radar antenna 11. The radar antenna 11 is installed on the antenna support 9 so that the direction of radio waves can be changed arbitrarily. A radar wave transmitter 13 and a radar wave receiver 14 are connected to the radar antenna 11 via a circulator 12. The radar wave transmitter 13 has a function of causing the radar antenna 11 to output a predetermined radar wave. The radar wave receiver 14 has a function of receiving a radar reflected wave by the radar antenna 11.

The strength of the interference wave output from the interference antenna 8 can be increased by increasing the signal output of the interference wave transmitter 10 or by sharpening the beam pointing of the interference antenna 8.

The radar reflected wave received by the radar antenna 11 is converted into an electric signal by the radar wave receiver 14. An analysis device 15 is connected to the radar wave receiver 14. The analysis device 15 detects the position of the radio wave tracking type flying body 3 when the radar reflected wave is received by the radar antenna 11. A control device 16 is connected to the analysis device 15. The control device controls the operation of the tracking obstruction device in the present embodiment.

Next, the operation of the above tracking obstruction device and the contents of the processing executed in the tracking obstruction method of the present embodiment will be described. The tracking obstruction device is activated by detecting the infrared rays emitted by the radio wave tracking type flying object 3.
When the tracking obstruction device is activated, first, the chaff dispersal device 6 mounted on the aircraft 1 disperses chaff in a desired direction. As a result, chaff clouds 2 are formed as shown in FIG. Next, the aircraft 1 irradiates the chaff cloud 2 from the interference antenna 8 with a narrow-beam high-power interference wave 4. After irradiating the chaff cloud 2, the high-power interfering wave 4 is reflected by the chaff cloud 2 and reaches the radio wave tracking flying vehicle 3.

The aircraft 1 stops transmitting the interference wave 4 after continuing the transmission of the interference wave 4 for a certain period of time. Immediately after this, aircraft 1
Transmits a radar wave 5 from the radar antenna 11. The radar wave 5 is reflected by the radio wave tracking type flying body 3, and then a part thereof becomes a radar reflected wave and is received by the radar antenna 11 of the aircraft 1. When the reflected wave of the radar wave 5 is received by the radar antenna 11, the analyzer 15 detects the position of the radio wave tracking type flying body 3.

The aircraft 1 transmits the radar wave 5 and detects the position of the radio wave tracking type flying body 3 by the analysis device 15 in a very short time. After that, the transmission of the radar wave 5 is stopped and the transmission of the interfering wave 4 is started again. The aircraft 1 performs tracking to the radio wave tracking type flying body 3 by repeating transmission of the radar wave 5 as described above while transmitting the interfering wave 4.

As described above, according to the tracking obstruction method of the present embodiment, while the aircraft 1 irradiates the chaff cloud 2 with the interfering wave 4 of high power, the radar wave 5 is transmitted to transmit the radio wave tracking flight. The position of the body 3 is detected and tracking is performed. Therefore, according to the tracking obstruction method of the present embodiment, it is possible to confirm the obstruction effect on the radio wave tracking type flying body 3, and the safety of the aircraft 1 is realized with high accuracy.

In the above embodiment, the interfering wave transmitter 10 and the interfering antenna 8 correspond to "interfering wave irradiating means" in the claims, and the radar wave transmitter 13, the radar wave receiver 14 and the radar. The antenna 11 for use corresponds to the "flying object tracking means" in the claims.

Embodiment 2. Next, a second embodiment of the present invention will be described with reference to FIGS. 3 and 4. The tracking obstruction method of the present embodiment is characterized in that the position of the chaff cloud is detected using a laser. FIG. 3 shows a diagram for explaining the tracking obstruction method of the present embodiment. In FIG.
Reference numeral 17 indicates a laser.

FIG. 4 shows a block diagram of a tracking obstruction device mounted on the aircraft 1 in this embodiment. As shown in FIG. 4, the tracking obstruction device of the present embodiment is based on the device of the first embodiment shown in FIG. 2 and further includes a laser optical system 18, a laser transmitter 19, a laser reception sensor 20, a laser receiver 21, and a position. The detector 22 is provided. Laser optical system 18
A laser transmitter 19 is connected to the. The laser transmitter 19 has a function of causing the laser optical system 18 to output a laser.

Further, the tracking obstruction device of this embodiment includes a laser reception sensor 20. A laser receiver 21 is connected to the laser receiving sensor 20. The laser receiver 21 has a function of receiving a reception laser from the laser reception sensor 20.

The receiving laser received by the laser receiving sensor 20 is converted into an electric signal by the laser receiver 21. A position detector 22 is connected to the laser receiver 21. When the reception laser is received by the laser reception sensor 20, the position detection device 22 detects the position of the object that reflects the laser.

According to the tracking obstruction method of this embodiment, after the chaff is sprayed from the chaff spraying device 6 in the desired direction, the laser is transmitted from the laser transmitter 19 to the chaff cloud 2. Some lasers are reflected by the chaff cloud 2 and then received by the laser reception sensor 20. When the laser is received by the laser reception sensor 20, the position detection device 22 detects the position of the chaff cloud 2. Therefore, according to the tracking obstruction method of the present embodiment, the accurate position of the chaff cloud 2 can be known. Therefore, while the radio wave tracking type flying body 3 is being tracked by the radar processing while transmitting the high power jamming wave, the beam direction of the jamming wave 4 is accurately directed within the range of the chaff cloud 2 and the radio wave tracking type flying body. It is possible to change the guiding direction of No. 3. Dispersion of chaffs, irradiation of chaff clouds with disturbing waves, and tracking of flying objects are performed in the same manner as in the first embodiment.

Embodiment 3. Next, a third embodiment of the present invention will be described with reference to FIGS. As described above, the tracking disturbing methods of the first and second embodiments use the high-power disturbing wave 4, but the tracking disturbing method of the present embodiment is characterized in that a deceptive disturbing wave described later is used. Have.

FIG. 5 is a diagram for explaining the tracking obstruction method of this embodiment. In FIG. 5, reference numeral 23 is a radar homing type flying vehicle, and 24 is a deceptive interference wave. The radar homing type flying object 23 has a radar function of transmitting and receiving radio waves by itself and detecting a target object to be tracked. Therefore, even if the chaff cloud is simply used as the source of the high-power interference wave, the tracking of the radar homing type flying object cannot be prevented.

FIG. 6 shows a block diagram of a tracking obstruction device mounted on the aircraft 1 in this embodiment. As shown in FIG. 6, the tracking obstruction device of the present embodiment is the same as that of the first embodiment.
In addition to the circulator 1 based on the device (Fig. 2)
2. An interference wave receiver 25 and an interference analysis device 26 connected to the interference wave receiver. When the aircraft 1 is tracked by the radar homing type flying body 23, the jamming antenna 8 of the aircraft 1 receives the radio wave emitted by the radar homing type flying body 23. The interference analysis device 26 analyzes the method used by the radar homing type flying object 23 for tracking from the radio wave. The interference analysis device 26 sends the analysis result to the control device 16. The control device 16 receives the analysis result sent from the interference analysis device 26, that is, the radar homing type aircraft 2
Control is performed to generate a deceptive interference wave 24 for disturbing the radar function of the radar homing type flying body 23 based on the characteristics of the radio wave 3 used for tracking.

The tracking obstruction device of the present embodiment comprises a deception device 27 connected to the interfering wave transmitter 10. The deception device 27 is controlled by the control device to generate the deception disturbing wave 24. The deceptive interference wave 24 is the radar homing type flying body 2
Distance deception interference wave that causes the radar function of 3 to detect the distance erroneously,
It is either a velocity fraud disturbing wave that causes a false detection of velocity, or a disturbing wave that combines distance fraud and velocity fraud.

According to the tracking obstruction method of the present embodiment, after the analysis processing necessary for generating the deception interference wave 24 is completed, the aircraft 1 transmits the deception interference wave 24 of high power to the chaff cloud 2. To do. As a result, the radar homing type flying body 23 receives the deceptive interference wave 24 reflected by the chaff cloud 2 and erroneously detects the target, so that it is guided to a position different from the target.

Further, the aircraft 1 performs the radar processing during the transmission of the deceptive interference wave 24, thereby tracking the radar homing type flying body 23 and confirming the effect of the deception. Therefore, according to the tracking obstruction method of the present embodiment, the obstruction effect can be confirmed even for the radar homing type flying body 23, and the safety of the aircraft 1 is realized with high accuracy. Dispersion of chaffs, irradiation of chaff clouds with disturbing waves, and tracking of flying objects are performed in the same manner as in the first embodiment.

Fourth Embodiment Next, a fourth embodiment of the present invention will be described with reference to FIG. In the above-described first embodiment, the aircraft alternately transmits the interfering wave 4 and the radar wave 5. As shown in FIG. 7, the tracking interference method of the present embodiment is characterized in that the irradiation of the interference wave 4 and the transmission / reception of the radar wave 5 are simultaneously executed so as to prevent mutual radio wave interference.

In the tracking obstruction method of the present embodiment, the aircraft 1 simultaneously executes the interfering wave 4 and the radar wave 5 so as to prevent the obstruction / interference between the radars so that their coverage areas do not overlap. Therefore, it is possible to track the radio wave tracking type flying body 3 without interrupting the transmission of the interfering wave 4.

Fifth Embodiment Next, a fifth embodiment of the present invention will be described with reference to FIG. FIG. 8 shows a diagram for explaining the tracking obstruction method of the present embodiment. As shown in FIG. 8, according to the tracking obstruction method of the present embodiment, the chaff cloud 2 is formed by the first aircraft 1a, the interfering wave 4 is emitted from the first aircraft 1a, and the radar wave It is transmitted from the second aircraft 1b. The tracking obstruction method of the present embodiment is characterized in that the first aircraft 1a and the second aircraft 1b jointly carry out the method as shown in FIG.

In the tracking obstruction method of the present embodiment, the tracking obstruction device is mounted on the first aircraft 1a and the second aircraft 1b. The tracking obstruction device is based on the device of the first embodiment. However, the first aircraft 1a is a radar antenna 1
1, the radar wave transmitter 13, and the radar wave receiver 14 do not necessarily have to be mounted. Also, the second aircraft 1b
The chaff dispersal device 6 and the control device 16 do not necessarily have to be mounted. That is, in the tracking obstruction method of the present embodiment, irradiation of the interfering wave 4 and transmission and reception of the radar wave 5 are executed in different aircraft.

In the interference tracking method of the present embodiment, the first
The second aircraft 1b simultaneously transmits and receives radar waves while the second aircraft 1a performs chaff spraying and irradiation of interfering waves. At this time, the jamming antenna 8 mounted on the first aircraft 1a and the radar antenna 11 mounted on the second aircraft 1b are isolated, and the radio wave interference between the jamming wave 4 and the radar wave 5 is prevented. First aircraft 1 because it will not occur
The a and the second aircraft 1b can be beam-directed in arbitrary directions.

In the above embodiment, the disturbing wave 4 emitted by the first aircraft 1a is not limited to the high power disturbing wave, and the deceptive disturbing wave 24 may be output. With such a configuration, the radar function of the radar homing type flying object 23 is disturbed in a complicated manner, its tracking is prevented, and the deception effect can be confirmed.

Sixth Embodiment Next, a sixth embodiment of the invention will be described with reference to FIG. The tracking obstruction method of the present embodiment is characterized in that a plurality of chaff clouds 2a and 2b are used. FIG. 9 shows a diagram for explaining the tracking obstruction method of the present embodiment. As shown in FIG. 9, according to the tracking obstruction method of the present embodiment, first, the interfering wave is radiated to the first chaff cloud 2a so that the radio wave tracking-type flying body 3 is directed toward the first chaff cloud 2a. The radio wave tracking type flying body 3 is guided to the second chaff cloud 2b by irradiating a disturbing wave in the direction of the second chaff cloud 2b scattered in an arbitrary direction. At this time, the aircraft 1 interferes with the radio wave tracking type flying object 3 while transmitting and receiving the radar wave 5 to track the radio wave tracking type flying object 3, so that the aircraft 1 is guided to the chaff more accurately while confirming the interference effect. be able to. A device similar to that of the first embodiment (FIG. 2) is used, and the pointing direction of the jamming antenna 8 is set to the chaff cloud 2.
Switch to a and 2b.

Embodiment 7. Next, referring to FIG.
A seventh embodiment of the present invention will be described. In the fifth embodiment described above, the first aircraft 1a performs the chaff spraying and the irradiation of the interfering wave 4, and at the same time, the second aircraft 1a.
b is transmitting and receiving the radar wave 5. In the tracking obstruction method of the present embodiment, as shown in FIG. 10, the chaff cloud 2 is formed by the first aircraft 1a, and the irradiation of the interfering wave 4 and the transmission / reception of the radar wave 5 are performed by the second aircraft 1b. It is characterized in that it is executed. As a result, the first aircraft 1a can be equipped with more chaffs in place of the disturbing wave unit and the like, so that a more advantageous situation is achieved in obstructing tracking. Dispersion of chaffs, irradiation of chaff clouds with disturbing waves, and tracking of flying objects are performed in the same manner as in the first embodiment.

Embodiment 8. Next, referring to FIG.
Embodiment 8 of the present invention will be described. In the fifth embodiment described above, the first aircraft 1a executes the irradiation of the interfering wave 4, and at the same time, the second aircraft 1b transmits and receives the radar wave 5. The tracking obstruction method of the present embodiment is the first
Is characterized in that both the aircraft 1a and the second aircraft 1b execute radar processing.

FIG. 11 is a diagram for explaining the tracking obstruction method of this embodiment. As shown in FIG. 11, in the tracking obstruction method of the present embodiment, formation of chaff clouds and irradiation of chaff clouds with interfering waves are performed by the first aircraft 1a in the same manner as in the first embodiment. In subsequent radar processing,
First, the first aircraft 1a transmits the radar wave 5a. The radar wave 5a is reflected by the tracking-type flying body 3, and then a part thereof becomes a radar reflected wave 28, which is received by the second aircraft 1b. The second aircraft 1b sends the arrival direction of the radar reflected wave 28 and its own position information to the first aircraft 1a. The first aircraft 1a detects the position of the radio-controlled tracking vehicle 3 based on the position of the second aircraft 1b and the arrival direction of the radar reflected wave 28 received by the second aircraft 1b. Thus, when the radio wave tracking flying vehicle 3 has the stealth property of irregularly reflecting the radar wave, it is possible to reliably perform tracking to the radio wave tracking flying vehicle 3. The first aircraft 1a and the second aircraft 1b are assumed to be equipped with communication equipment for sharing radar waves and position information.

Ninth Embodiment Next, referring to FIG.
The ninth embodiment of the present invention will be described. Embodiment 1
In the tracking obstruction method of No. 1, the high-power interfering wave 4 is irradiated toward the chaff cloud 2. The tracking interference method of the present embodiment is characterized in that the high-power interference wave 4 is alternately irradiated to the chaff cloud 2 and the radio wave tracking-type flying body 3.

According to the tracking obstruction method of the present embodiment, the aircraft 1 forms the chaff cloud and then irradiates the chaff cloud 2 with the interfering wave 4 first. As a result, the interfering wave 4 reaches the radio wave tracking type flying body 3, and the radio wave tracking type flying body 3 is guided to the chaff cloud 2. The aircraft 1 detects that the radio wave tracking type flying body 3 is guided to the chaff cloud 2 by radar processing.
The processes up to this point are the same as in the first embodiment. Then, the radio wave tracking type flying body 3 is irradiated with the interfering wave 4. The radio tracking type flying body 3 changes the course direction from the chaff cloud 2 to the aircraft 1.
When the aircraft 1 confirms that the radio tracker 3 has changed its course direction to its own aircraft by radar processing, it again irradiates the chaff cloud 2 with the interfering wave 4. By this repeated operation, the effect of interference (cooperation interference) in which a plurality of aircraft alternately transmits interference waves to the radio wave tracking-type flying body can be realized by a single aircraft.

[0053]

Since the present invention is constructed as described above, it has the following effects. Sanawa
Then , according to the present invention, the interference wave is irradiated toward the chaff cloud, the radar wave is transmitted to detect the position of the radio wave tracking type flying object,
And track. Therefore, according to the present invention, it is possible to confirm the interference effect on the radio wave tracking type flying object.

Further, according to the present invention, while the interference wave is being transmitted, the beam direction of the interference wave is chafed to the position of the chaff cloud detected based on the laser reflected wave while tracking the tracking type flying object by the radar processing. It can be pointed exactly within the clouds. Therefore, according to the present invention, it is possible to reliably reflect a desired radio wave on the chaff cloud and then confirm the interference effect on the tracking type flying object.

Further, according to the present invention, the deceptive interfering wave can be emitted toward the chaff cloud. Therefore, according to the present invention, it is possible to prevent the tracking by various flying objects including the radar homing type flying object, and to confirm the blocking effect.

Further, according to the present invention, the transmission of the interfering wave and the transmission of the radar wave can be carried out so that the areas covered by each other do not overlap. Therefore, according to the present invention, it is possible to track to a radio wave tracking type flying object without interrupting the transmission of the interfering wave,
You can check the interference effect.

Further, according to the present invention, the irradiation of the interfering wave and the transmission / reception of the radar wave can be executed so that different aircraft do not interfere with each other's radio waves. Therefore, in the present invention, the interfering wave and the radar wave can be directed in arbitrary directions.

Further, according to the present invention, a plurality of chaff clouds can be used to irradiate each chaff cloud with an interfering wave. Therefore, in the present invention, it is possible to more reliably deceive the radio wave tracking type flying body.

Further, according to the present invention, it is possible to irradiate a chaff cloud formed by another aircraft with an interfering wave and transmit / receive a radar wave from another aircraft. Therefore, according to the present invention, the amount of chaff to be mounted can be increased.

Further, according to the present invention, a radar reflected wave generated when a radar wave transmitted from another aircraft is reflected by a radio wave tracking type flying body, and the aircraft (other aircraft)
The position of the radio wave tracking type flying object can be detected based on the position information of. Therefore, according to the present invention, it is possible to accurately track a radio wave tracking type flying body having stealth characteristics.

Further, according to the present invention, it is possible to alternately irradiate the chaff cloud and the radio wave tracking type flying object with a high power interfering wave. Therefore, according to the present invention, it is possible to confuse the tracking-type flying object with a single machine and confirm the interference effect.

[Brief description of drawings]

FIG. 1 is a diagram for explaining a tracking obstruction method according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a tracking obstruction device according to the first embodiment of the present invention.

FIG. 3 is a diagram for explaining a tracking obstruction method according to a second embodiment of the present invention.

FIG. 4 is a block diagram of a tracking obstruction device according to a second embodiment of the present invention.

FIG. 5 is a diagram for explaining a tracking obstruction method according to a third embodiment of the present invention.

FIG. 6 is a block diagram of a tracking obstruction device according to a third embodiment of the present invention.

FIG. 7 is a diagram for explaining a tracking obstruction method according to a fourth embodiment of the present invention.

FIG. 8 is a diagram for explaining a tracking obstruction method according to a fifth embodiment of the present invention.

FIG. 9 is a diagram for explaining a tracking obstruction method according to a sixth embodiment of the present invention.

FIG. 10 is a diagram for explaining a tracking obstruction method according to a seventh embodiment of the present invention.

FIG. 11 is a diagram for explaining a tracking obstruction method according to an eighth embodiment of the present invention.

FIG. 12 is a diagram for explaining a tracking obstruction method according to a ninth embodiment of the present invention.

FIG. 13 is a diagram for explaining a conventional tracking interference method.

[Explanation of symbols]

1a aircraft 1b aircraft 2a chaff cloud 2b Chaff cloud (electric wave reflection means) 3 Radio tracking type flying body 4 Interfering wave 5 radar waves 6 chaff spraying device 7 Support 8 Interfering antenna 9 Antenna support 10 Interfering wave transmitter 11 Radar antenna 12 Circulator 13 Radar wave transmitter 14 Radar wave receiver 15 Analyzer 16 Control device 17 Laser 18 Laser optical system 19 Laser transmitter 20 Laser receiving sensor 21 Laser receiver 22 Position detection device 23 Radar homing type flying object 24 Deceptive Interference 25 Interference receiver 26 Interference analysis device 27 Deception device 28 Radar reflection wave 29 Radio wave irradiation pattern

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) F41H 11/02 F42B 5/15 F42B 12/70

Claims (10)

(57) [Claims] 1. A chaff sprinkling device for sprinkling chaff, and a chaff
The interference wave irradiating means for irradiating the interference wave in the scattering direction of the
The deception device connected to the interference wave irradiation means and the radar wave transmission
Flying body tracking means for tracking a tracking type flying body by reception,
Interference analysis device for analyzing the tracking method used by a tracking-type air vehicle
The deception device includes a tracking type flying object and a target object.
Distance deceptive interference for false detection of distance at
Speed deception for making a flying vehicle erroneously detect the speed of a target
The disturbance wave, the distance fraud disturbance wave and the velocity fraud disturbance wave are combined.
And the analysis results of the interference analysis device
Select the interfering wave emitted by the interfering wave emitting means based on the result
A tracking obstruction device characterized by: 2. A chaff application step for applying chaff.
And the disturbing wave irradiating switch that irradiates the chaff
Track a tracking-type air vehicle by transmitting and receiving radar waves
And the tracking step used by the tracking-type aircraft.
A disturbance analysis step for analyzing a method,
The irradiation step causes the tracking type flying object to
The distance deception interference wave to detect and the tracking type flying body
A velocity deceptive jammer to erroneously detect the velocity of the target
A combination of distance fraud disturbance and velocity fraud disturbance
The step of irradiating one of the harmful waves,
The interference wave irradiation step based on the analysis result of the analysis step
Tracking interference characterized by selecting the interference wave to be emitted by
Method. 3. Irradiation of the interference wave and transmission of the radar wave
Reception is performed so as to prevent mutual radio wave interference.
Interfering wave irradiation step and flying object tracking step are executed simultaneously
The tracking obstruction method according to claim 2, wherein: 4. The chaff spraying step and the interference
The damaging step is performed on the first aircraft and
The flying object tracking step is performed on the second aircraft.
The interfering wave irradiation step and the flying object tracking step
3. The method according to claim 2, characterized in that the two are executed simultaneously.
Tail jamming method. 5. The chaff spraying step is for the surroundings of the self.
Multiple chaff sprays to form multiple chaff clouds over
Step, and each step
A contract characterized by being executed sequentially for the cloud cloud
The tracking obstruction method according to claim 4 . 6. The chaff spreading step is a first aircraft.
The interference wave irradiation step, and before
The flying object tracking step is performed on the second aircraft.
5. The tracking obstruction method according to claim 4, wherein: 7. The flying object tracking step comprises a first aviation
Characterized by being executed in a second aircraft with the aircraft
The tracking obstruction method according to claim 4. 8. A flying object obstacle for directly irradiating an obstacle wave to the flying object.
A step of damaging,
The harmful steps are alternately executed, and the flying body tracking step is performed.
Tracking is performed.
Interfering method. 9. The position of a chaff cloud can be determined by transmitting and receiving a laser.
It has a position detection step to detect
The interference wave irradiation step is executed toward the cloud.
Addition according to any one of claims 2 to 3, characterized in that
Tail jamming method. 10. Irradiation in the interfering wave irradiation step
The disturbing waves that are generated include distance fraud disturbance, velocity fraud disturbance,
And distance fraud disturbance and velocity fraud disturbance
9. A damaging wave is included, according to any one of claims 3 to 8.
Tracking interference method described in paragraph.