CN206573710U - Radar chaff module and device - Google Patents
Radar chaff module and device Download PDFInfo
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- CN206573710U CN206573710U CN201621395878.0U CN201621395878U CN206573710U CN 206573710 U CN206573710 U CN 206573710U CN 201621395878 U CN201621395878 U CN 201621395878U CN 206573710 U CN206573710 U CN 206573710U
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- radar
- module
- controlling switch
- amplifier tube
- control signal
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Abstract
The utility model provides a kind of radar chaff module and radar jamming device, wherein radar chaff module includes control first resistor, second resistance, amplifier tube and controlling switch, the control end of controlling switch receives external control signal, outer control signal controls controlling switch so that the first external radiation body replaces with radiation current signal at the second external radiation body in phase or rp state, form agile circuit, the intensity of each pulse and delay in radar return of the agile circuit of foundation by changing radiant body reflection, although so that radar receiver can pick reflected impulse, but the very short reflected impulse Strength Changes of each adjacent time are very big, the signal for possessing recognizable feature can not be constituted, prevent radar receiver from effectively picking reflected signal from ambient noise, so as to realize the positioning function interference to radar.
Description
Technical field
The utility model is related to Radar Technology field, more particularly to radar chaff module and device.
Background technology
Currently, the object irradiated by Active Radar, because RCS (Radar Cross-Section, RCS) exists
Stablize relatively in the time that characteristic sequence is present, radar return be able in a longer period (Millisecond and more than) with
One intensity relatively stablized returns to radar receiver with delay, therefore receiver can pick correspondence from numerous and diverse ambient noise
The signal of feature, so as to realize remote orientation and the spacing calculating to object, and finally realizes the positioning to object.
Radar fix technology brings great convenience to production, life, but under some application circumstances, people
Wish to disturb radar fix by technology, to realize the effect of " stealthy ".For example in military field, aircraft, naval vessel etc. are all wished
Prestige is realized itself " stealthy " by disturbing radar fix.
Utility model content
Based on this, it is necessary to provide a kind of radar chaff module and device, effective interference to radar fix is realized.
A kind of radar chaff module, including first resistor, second resistance, amplifier tube and controlling switch, the amplifier tube
Including input, output end, positive pin, anti-phase pin, power pin and ground pin, the controlling switch includes output
End, first end, the second end and control end；
The control end of the controlling switch receives external control signal, the output end of the controlling switch and the first outside spoke
Beam is connected, and the first end of the controlling switch is connected with the anti-phase pin of the amplifier tube, the second end of the controlling switch
It is connected with the positive pin of the amplifier tube, the power pin of the amplifier tube is connected by the first resistor and external power source
Connect, the ground pin of the amplifier tube is connected by the second resistance with outside second radiant body, the input of the amplifier tube
End is connected with the radiant body of outside second.
A kind of radar jamming device, including radar chaff module described above and output control signals to the radar do
Disturb the control signal generation module of module；
The control signal generation module is connected one kind with the control end of controlling switch described in the radar chaff module
Radar jamming device, including above-mentioned radar chaff module and the control signal life for outputing control signals to radar chaff module
Into module, control signal generation module is connected with the control end of controlling switch in radar chaff module.
The utility model radar chaff module includes control first resistor, second resistance, amplifier tube and controlling switch, control
The control end of system switch receives external control signal, and outer control signal controls controlling switch so that the first external radiation body and second
Radiation current signal is alternately in phase or rp state at external radiation body, forms agile circuit, and the agile circuit of foundation leads to
Intensity and the delay of each pulse in the radar return for changing radiant body reflection are crossed, although so that radar receiver can be picked
To reflected impulse, but the very short reflected impulse Strength Changes of each adjacent time are very big, it is impossible to which composition possesses recognizable feature
Signal, prevents radar receiver from effectively picking reflected signal from ambient noise, so as to realize the positioning function to radar
Interference.
In addition, the utility model also provides a kind of radar jamming device, including above-mentioned radar chaff module and output
Control signal is to the control signal generation module of radar chaff module, radar chaff module composition agile circuit, the agile of foundation
The intensity of each pulse, prevents radar receiver from effectively from the back of the body in radar return of the circuit by changing radiant body reflection
Reflected signal is picked in scape noise, so as to realize the positioning function interference to radar.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model radar chaff module one embodiment；
Fig. 2 is the structural representation of the utility model radar jamming device one embodiment；
Fig. 3 is the structural representation of second embodiment of the utility model radar jamming device；
Fig. 4 is that the front and rear radar reflection waveform of the utility model radar jamming device interference and the contrast of radar emission waveform are shown
It is intended to.
Embodiment
Every object for sending radiation is all radiant body.Its frequency range includes gamma ray, x-ray, ultraviolet light, visible
A variety of electromagnetic radiation such as light, infrared light, millimeter wave and microwave, there is spontaneous radiation, stimulated radiation, after also absorbing incidence wave
As source of secondary radiation give off electromagnetic wave, describing the radiation characteristic of radiant body has radiation intensity, radiation flux, radiance
Deng.Radar is that the method for radio finds target and determines their locus.Therefore, radar is also referred to as that " radio is fixed
Position ", radar is the electronic equipment using electromagnetic wave detection target, and radar emission electromagnetic wave is irradiated to target and receives its time
Ripple, is derived from target to information such as the distance of electromagnetic emission point, range rate (radial velocity), orientation, height.In thunder
Up to after ripple irradiation, object reflection radar wave, as radiant body.
As shown in figure 1, a kind of radar chaff module, including first resistor 110, second resistance 120, amplifier tube 130 and
Controlling switch 140, amplifier tube 130 includes input, output end, positive pin, anti-phase pin, power pin and ground pipe
Pin, controlling switch 140 includes output end, first end, the second end and control end；
The control end of controlling switch 140 receives external control signal, the output end of controlling switch 140 and the first external radiation
Body is connected, and the first end of controlling switch 140 is connected with the anti-phase pin of amplifier tube 130, the second end and the amplification of controlling switch 140
The positive pin connection of pipe 130, the power pin of amplifier tube 130 is connected by first resistor 110 with external power source, amplifier tube
130 ground pin is connected by second resistance 120 with outside second radiant body, input and the outside second of amplifier tube 130
Radiant body is connected.
Amplifier tube 130 includes but is not limited to metal-oxide-semiconductor (metal oxide semiconductor, metal-insulator-partly lead
Body), FET pipe (Field Effect Transistor, field-effect transistor), BJT pipe (Bipolar Junction
Transistor-BJT, bipolar junction transistor) etc. the electronic component of opposite phase can be provided simultaneously.Specifically, work
When amplifier tube 130 be biased on off state.
External control signal by low and high level control controlling switch 140 in first end be connected with output end or the second end and
Output end is connected.For example when external control signal is high level, first end is connected with output end in controlling switch 140, and first
The same phase of radiation current of external radiation body and the second external radiation body, when low level outside external control signal, controlling switch 140
In the second end be connected with output end, the radiation current of the first external radiation body and the second external radiation body is anti-phase.It may be noted that
When, it can also use when external control signal is low level, first end is connected with output end in controlling switch 140, works as outside
When control signal is high level, second end is connected with output end in controlling switch 140.Outer control signal only needs to control
Switch 140 is so that the first external radiation body replaces with radiation current signal at the second external radiation body in phase or anti-phase shape
State, forms agile circuit.
The utility model radar chaff module includes control first resistor 110, second resistance 120, amplifier tube 130 and control
System switch 140, the control end of controlling switch 140 receives external control signal, outer control signal control controlling switch 140 so that the
One external radiation body replaces with radiation current signal at the second external radiation body in phase or rp state, forms agile electric
Road, the agile circuit of foundation by changing intensity and the delay of each pulse in the radar return that radiant body reflects so that
Although radar receiver can pick reflected impulse, the very short reflected impulse Strength Changes of each adjacent time are very big, it is impossible to
The signal for possessing recognizable feature is constituted, prevents radar receiver from effectively picking reflected signal from ambient noise, so that
Realize and the positioning function of radar is disturbed.
In one of the embodiments, radar chaff module also includes dc source, and dc source passes through first resistor 110
It is connected with the power pin of amplifier tube 130.
Specifically, can be by circuit realiration RCS in very short time (hundred nanoseconds in the utility model radar chaff module
Level) with least an order of magnitude with certain rule agile, and object structures outward appearance is not required to significant change.Due to being had away from radar
Agile structure is set up on the object of certain distance, the power capacity needed for its circuit is smaller, and cost of implementation is relatively low.By changing thunder
The intensity of each pulse and delay up in back wave, destroy the characteristic sequence of each pulse composition, so that radar receiver is not
Reflected signal can be effectively picked from ambient noise, so as to realize the positioning function interference to radar.And due to being RCS prompt
The sourceless seism of change, itself will not discharge active signal, and method is broken through in the absence of antiradiation.Further, due to using
It is the phase agile that circuit builds ultra wide band, even single structure is effective to that can be realized to the radar worked in very wide frequency range
Interference.
As shown in Fig. 2 the utility model also provides a kind of radar jamming device, including above-mentioned radar chaff module 100
And the control signal generation module 200 of radar chaff module 100 is output control signals to, it constitutes agile circuit, foundation
Agile circuit by change radiant body reflect radar return in each pulse intensity and delay, prevent radar receiver from
Reflected signal is effectively picked from ambient noise, so as to realize the positioning function interference to radar.
As shown in figure 3, in one of the embodiments, control signal generation module 200 includes the outside radar illumination of collection
The antenna 220 of signal and according to outside radar illumination signal synchronize processing, generate control signal computer processor
240, antenna 220 is connected with computer processor 240, and computer processor 240 is connected with the control end of controlling switch 140.
Antenna 220 is used to gather outside radar illumination signal, and the outside radar illumination signal collected is sent to micro-
Machine processor 240, computer processor 240 is used to synchronize processing, generation and outside radar according to outside radar illumination signal
The synchronous control signal of project signal.Non-essential, computer processor 240 can be from ripe chip, it would however also be possible to employ number
Word circuit or analog circuit realize that it need to realize the synchronization to radar illumination signal, and export agile circuit can be carried out it is micro-
The random square-wave signal of second step velocity control.
Specifically, the computer processor of random generation switch-over control signal when computer processor 240 is initial start, this
Sample is when original state need to be disturbed unknown radar, and switch is with random switching at a high speed, i.e., the control signal initial when
The generation of generation module 200 control signal is probably the random signal without the fixed cycle, after radar illumination is detected, and collects thunder
Up to the transmit cycle of characteristic sequence, adjustment switching time is allowed to radar pulse to matching and switch at random, sequential relationship
Example is as shown in Figure 4.
In one of the embodiments, radar jamming device also includes the first metal assembly and the second metal assembly, first
Metal assembly is connected with the output end of the output end of amplifier tube 130 and controlling switch 140 in radar chaff module, the second metal
Component is connected with the input of amplifier tube 130 in radar chaff module.
During work, the first metal assembly is fixed on the first external radiation body, the second metal assembly is fixed on outside second
Portion's radiant body.Non-essential, the first metal assembly and the second metal assembly can be with detaching structures, such as lock, buckle, plug
Mode is connected with external radiation body.
Above example only expresses several embodiments of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to utility model patent scope can not be interpreted as.It should be pointed out that for the ordinary skill people of this area
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With new protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of radar chaff module, it is characterised in that including first resistor, second resistance, amplifier tube and controlling switch, institute
Stating amplifier tube includes input, output end, positive pin, anti-phase pin, power pin and ground pin, the controlling switch
Including output end, first end, the second end and control end；
The control end of the controlling switch receives external control signal, the output end of the controlling switch and the first external radiation body
Connection, the first end of the controlling switch is connected with the anti-phase pin of the amplifier tube, the second end of the controlling switch and institute
The positive pin connection of amplifier tube is stated, the power pin of the amplifier tube is connected by the first resistor with external power source, institute
The ground pin for stating amplifier tube is connected by the second resistance with outside second radiant body, the input of the amplifier tube and institute
State outside second radiant body connection.
2. radar chaff module according to claim 1, it is characterised in that the amplifier tube include metal-oxide-semiconductor, FET pipes or
BJT is managed.
3. radar chaff module according to claim 1, it is characterised in that also including dc source, the dc source
It is connected by the first resistor with the power pin of the amplifier tube.
4. a kind of radar jamming device, it is characterised in that including the radar chaff module as described in claim 1-3 any one
And output control signals to the control signal generation module of the radar chaff module；
The control signal generation module is connected with the control end of controlling switch described in the radar chaff module.
5. radar jamming device according to claim 4, it is characterised in that the control signal generation module includes collection
The antenna of outside radar illumination signal and processing is synchronized according to the outside radar illumination signal, control signal is generated
Computer processor, the antenna is connected with the computer processor, the computer processor and the control end of the controlling switch
Connection.
6. radar jamming device according to claim 5, it is characterised in that when the computer processor is initial start with
Machine generates the computer processor of switch-over control signal.
7. radar jamming device according to claim 4, it is characterised in that also including the first metal assembly and the second metal
Component, first metal assembly connects with the output end of amplifier tube in the radar chaff module and the output end of controlling switch
Connect, second metal assembly is connected with the input of amplifier tube in the radar chaff module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395878.0U CN206573710U (en) | 2016-12-19 | 2016-12-19 | Radar chaff module and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395878.0U CN206573710U (en) | 2016-12-19 | 2016-12-19 | Radar chaff module and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573710U true CN206573710U (en) | 2017-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621395878.0U Active CN206573710U (en) | 2016-12-19 | 2016-12-19 | Radar chaff module and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888113A (en) * | 2019-12-04 | 2020-03-17 | 腾讯科技（深圳）有限公司 | Vehicle-mounted radar control method, device, equipment and storage medium |
-
2016
- 2016-12-19 CN CN201621395878.0U patent/CN206573710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888113A (en) * | 2019-12-04 | 2020-03-17 | 腾讯科技（深圳）有限公司 | Vehicle-mounted radar control method, device, equipment and storage medium |
| CN110888113B (en) * | 2019-12-04 | 2023-07-25 | 腾讯科技（深圳）有限公司 | Vehicle-mounted radar control method, device, equipment and storage medium |
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