CN108037545A - A kind of directional type optical interference system for unmanned plane - Google Patents
A kind of directional type optical interference system for unmanned plane Download PDFInfo
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- CN108037545A CN108037545A CN201711321575.3A CN201711321575A CN108037545A CN 108037545 A CN108037545 A CN 108037545A CN 201711321575 A CN201711321575 A CN 201711321575A CN 108037545 A CN108037545 A CN 108037545A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a kind of directional type optical interference system for unmanned plane, including unmanned plane early warning identification device, unmanned plane fixing and locking device, directional type countermeasure set and console and energy source device.The perfect unmanned plane perturbation technique of the present invention, realizes and formula optical interference is oriented to unmanned plane, and it is single to solve current unmanned plane interference means, effectively can not carry out optical interference to invasion unmanned plane, lead to not the carry out message protection to target area.The present invention is disturbed by being oriented formula to invasion unmanned plane at the same time, by interference signal directional transmissions to unmanned plane is invaded, is avoided the loss of energy and is produced optical pollution to protection zone, ensure that being normally carried out for production and living in protection zone.
Description
Technical field
The present invention relates to unmanned plane Interception Technology field, and in particular to the method and relevant apparatus of unmanned plane optical interference.
Background technology
All just it is being in explosion in the application of every field either for military, business, agricultural or family expenses shooting, unmanned plane
Formula increases.Especially in photography of taking photo by plane, environmental monitoring, electric inspection process, disaster relief, news report, Express Logistics, remote sensing mapping
It is employed Deng field more.The esbablished corporations such as domestic at the same time big boundary, zero degree, Baidu, Tencent, millet, Jingdone district also enter into nothing in succession
Man-machine industry, or even have scholarly forecast, as unmanned plane price gradually reduces, following one unmanned plane of human hand may become existing
It is real.It is empty to 26,000,000,000 yuans of the year two thousand twenty mass consumption class unmanned plane market space, specialty fever class market according to scholarly forecast
Between 4,000,000,000 yuans;81,500,000,000 yuans of the sector application class market space, generally the year two thousand twenty industry output value will be more than thousand
Hundred million.
Just while unmanned plane Industry Quick Development, security hidden trouble is also more and more, due to it is most nobody
Machine user, has not received professional training, is intended merely to meet personal interest and realizes without flight general knowledge, laws and regulations, illegal
It is commonplace using the phenomenon of unmanned plane, or even there is criminal to be caused using unmanned plane to public's privacy, property, life security
Threaten.However, whole nation unmanned plane manufacturing enterprise is more than 400 at present, but be engaged in unmanned plane Prevention-Security is phoenix hair unicorn
Angle, therefore it is imperative to develop anti-unmanned air vehicle technique.Fly both at home and abroad in anti-unmanned plane area research mainly for unmanned plane at present
Row electromagnetic interference or trick etc., mainly there is four types, block interference type, violent destruction type, system control type and physics to catch
Type.The optical interference research of unmanned plane is relatively fewer.
The content of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of directional type optical interference system for unmanned plane,
Early warning identification is carried out to unmanned plane using multi-sensor information fusion technology, it is fixed with reference to laser radar range technology, mobile object
Position technology and photoelectric interference technology, realize the monitoring and warning to target area, and position and lock is carried out to the unmanned plane of invasion, and in fact
Existing directional type optical interference.
To achieve these goals, the present invention adopts the following technical scheme that:
A kind of directional type optical interference system for unmanned plane, including the positioning of unmanned plane early warning identification device, unmanned plane
Locking device, directional type optical interference device and console;
The unmanned plane early warning identification device includes low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying and pre-
Alert device, the low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying are electrically connected at the precaution device;
The unmanned plane fixing and locking device includes control unit, supporting module and multiple range laser radars;It is described to swash
Ligh-ranging radar is arranged in the supporting module, and is electrically connected at described control unit;Described control unit communication connection
In the precaution device, interference unit driving unit, range laser radar and console;
The directional type countermeasure set includes interference unit driving unit, interference unit support device and optical signalling transmitting dress
Put;The optical signaling device is arranged in the interference unit support device, and is electrically connected at the interference unit driving
Unit;The optical signaling device and interference driving unit are communicatively coupled to the console;
The console includes communication module, data processing module, display module and energy module, the communication module point
Data processing module, unmanned plane early warning identification device, unmanned plane fixing and locking device and directional type optics is not communicatively coupled to do
Device is disturbed, the energy module is the whole directional type optical interference system power supply;The data processing module then electrically connects
It is connected to the display module.
It should be noted that the low latitude early warning radar includes mainly being received by radar transmitter, signal antenna, radar
Machine, signal processor and radar controller composition, the radar transmitter and radar receiver are electrically connected at the signal
Antenna, the signal antenna are electrically connected at the signal processor, and the signal processor is electrically connected at the radar control
Device processed, the radar controller are communicatively coupled to the console and precaution device;Radar transmitter is mainly for generation of electromagnetic wave
Signal, and launched electromagnetic wave signal by signal antenna, radar receiver is used to receive to be received by signal antenna
Electromagnetic wave echo-signal, signal processor is used for clutter reduction, and radar controller is used to communicate, and will pass through signal processing
The data of machine processing pass to console and precaution device, and receive the control command of console, and the parameter of radar transmitter is carried out
Set and the filtering mode of signal processor is set.
It should be noted that the electromagnetic monitoring equipment includes signal analyzer, communicator and multiple electromagnetic signals sensing
Device;The electromagnetic signal sensor dispersed distribution is in protection of goal space, for continuing to monitor the electromagnetic signal of guard space, and
Pass the electromagnetic signal of collection back the signal analyzer;The signal analyzer uses the method for multi-sensor information fusion will
The electromagnetic signal of multiple electromagnetic signal sensors carries out processing analysis, and filtering clutter disturbs;The communicator is electrically connected at
The signal analyzer, for the letter that is communicated and will be obtained by signal analyzer processing analysis with precaution device and console
Breath reaches precaution device.
The acoustics device for identifying includes being distributed in the acoustic sensor of designated position, filter amplifier and identification module,
The acoustic sensor, filter amplifier and identification module communicate to connect successively, and the identification module is communicatively coupled to described pre-
Alert device and console;The acoustic sensor is mainly used for the acoustic signal of monitoring objective guard space;The filter amplifier
The acoustic sensor is electrically connected at, for being filtered out the background clutter of acoustic signal and putting wave frequency signal of concern
Greatly;The identification module is electrically connected at the filter amplifier, for will receive the acoustics of filtered amplifier processing
Signal carries out feature extraction, and the unmanned plane acoustic feature with storing beyond the clouds is compared, and then unmanned plane is identified,
Then recognition result is transmitted to precaution device.
It should be noted that the precaution device is used for the low latitude early warning radar, electromagnetic monitoring equipment, acoustics identification dress
Put the data message that transmission comes and carry out comprehensive analysis, finally to judge whether unmanned plane invades, such as determine that unmanned plane is invaded, then is sent out
Warning information is sent to control unit.
It should be noted that the range laser radar includes laser emitter, laser pickoff, information processor;
The laser emitter includes laser, Laser Power Devices and optical transmitting system, the laser that the laser is sent
Launched by optical transmitting system, the laser light source is electrically connected at the laser and provides power supply, the laser for it
Device is communicatively coupled to described control unit;The control instruction of laser reception control unit simultaneously launches laser at the control;
The laser pickoff includes receiving optics, optical element, photodetector;The receiving optics is used
Converged in the laser energy for reflecting invasion unmanned plane on photodetector;The photodetector is used for optical signal
Electric signal is converted to, and is transmitted to described information processing unit;The optical element, including optical filter and attenuator, are arranged in
Between receiving optics and photodetector;
Described information processing unit is used for the electric signal that photodetector is changed in the laser pickoff and carries out at analysis
Reason, so that it is determined that distance of the invasion unmanned plane apart from present laser range radar, and send to control unit.
It should be noted that the interference unit driving unit includes azimuth-drive motor and elevation angle motor, the azimuth-drive motor can
Interference unit support device is controlled to carry out 360 degrees omnidirection rotation;The elevation angle motor control interference unit support device carries out the elevation angle
Adjust.
It should be noted that the interference unit support device includes support frame and interface module;The support frame is used
In being supported and protect to optical signaling device;The interface module includes power interface circuit and communication interface electricity
Road, power interface circuit are electrical connected by electric power system and energy module, are responsible for receiving the energy that energy module provides, are fixed
Power to formula countermeasure set;Communication interface circuit is connected with communication module, is responsible for the number of optical signaling device and console
According to communication.
It should be noted that the optical signaling device includes intense light source and optical signal adjusting apparatus;The strong light
Source produces a series of accurate coded pulses using modulator approach, can launch strong jamming optical signalling, main component is visible ray
And infrared light, for disturbing unmanned plane camera to be shot;The optical signal adjusting apparatus is connected to the intense light source, is used for
The optical signal that intense light source is sent is adjusted, the depth of parallelism and correlation of light is adjusted, its energy is concentrated and be transmitted to finger
Determine direction, realize to invading the directional jamming of unmanned plane, and reduce optical energy loss.
The method for carrying out unmanned plane directional type optical interference using the above-mentioned directional type optical interference system for unmanned plane,
Include the following steps:
Electromagnetic monitoring equipment, acoustics device for identifying and low latitude early warning radar are arranged into setting position by S1, ensure its monitoring
Scope covers whole protection of goal space, and range laser radar is seated to designated position;System is opened, and is carried out initialization and is set
Put;Electromagnetic monitoring equipment remembers the electromagnetic environment in protection of goal space, and protection of goal spatial electromagnetic signal is carried out
Monitoring;
S2 electromagnetic monitorings equipment initially enters normal operating conditions with acoustics device for identifying, and low latitude early warning radar starts to mesh
Mark guard space and carry out full visual angle cruise monitoring;When find suspicious object fly into protection of goal space, i.e.,:Electromagnetic monitoring Supervision
Measure abnormal electromagnetic signal and swarm into protection of goal space, and be in unmanned aerial vehicle (UAV) control signal frequency range;Low latitude early warning radar monitors
Suspicious object swarms into protection of goal space, and monitors that each physical parameter of suspicious object meets unmanned plane size, size, the speed of a ship or plane
Feature;Acoustics device for identifying detects that audible signal swarms into unmanned plane during flying noise frequency range, and noise signal is through feature extraction,
Meet unmanned plane during flying signal noise feature, information is passed to pre- by low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying
Alert device, method of the precaution device Jing Guo multi-sensor information fusion judge whether suspicious object is unmanned plane;If suspicious object is not
It is unmanned plane, then system continues to monitor;If suspicious object is unmanned plane, enter in next step;
Warning information is reached control unit by S3 precaution devices, and control unit control range laser radar is opened, in difference
The range laser radar of position carries out ranging to invasion unmanned plane respectively, and control unit is according to the laser ranging in designated position
Distance by radar invades the different distance of unmanned plane, calculates the absolute coordinate of invasion unmanned plane;
S4 control units are sent after the absolute coordinate of invasion unmanned plane is obtained to console and interference unit driving unit, control
Platform processed control unmanned plane directional type countermeasure set is opened, and interference unit driving unit is opened, driving optics letter emitter turn into
Invade unmanned plane position;After specified angle is reached, optical signaling device is opened, and strong jamming optics is sent to invasion unmanned plane
Signal, prevents invasion unmanned plane camera from being shot, the visible light part of the strong jamming optical signalling is mainly used for preventing
The shooting in the daytime of unmanned plane;Infrared portions are mainly used for preventing the shooting at night of unmanned plane;
After invasion unmanned plane is intercepted or withdraws protection spatial domain, unmanned plane directional type optical interference device automatically replies S5
Initial position, optical signaling device are closed, and system is again introduced into early warning monitoring state, until equipment is closed or is found again
Invade unmanned plane.
Compared with prior art, the beneficial effects of the present invention are:
The perfect anti-unmanned air vehicle technique of the present invention, realizes and formula optical interference is oriented to unmanned plane, solves current
Unmanned plane interference means are single, effectively can not carry out optical interference to invasion unmanned plane, lead to not the progress to target area
Message protection.By the early warning and monitoring to low target, reach and early warning is made to intrusion target, then pass through range laser radar
Ranging localization is carried out to intrusion target, using laser ranging and multi-sensor information fusion technology, reach to invasion unmanned plane into
Row position monitor, so as to reach the directional type optical interference to invading unmanned plane.By launching strong jamming optical signalling to invasion
Unmanned plane is disturbed, and has ensured the information security of people, by interference signal directional transmissions to unmanned plane is invaded, avoids energy
Loss and optical pollution is produced to protection zone, ensure that being normally carried out for production and living in protection zone.
Brief description of the drawings
Fig. 1 is the system principle schematic diagram of the present invention;
Fig. 2 is the implementation overview flow chart of the present invention;
Fig. 3 opens flow diagram for system in the present invention;
Fig. 4 is early warning monitoring flow diagram in the present invention;
Fig. 5 is unmanned plane position and lock and the flow diagram of optical interference in the present invention.
Embodiment
Below with reference to attached drawing, the invention will be further described, it is necessary to which explanation, following embodiments are with this technology
Premised on scheme, detailed embodiment and specific operating process are given, but protection scope of the present invention is not limited to this
Embodiment.
As shown in Figure 1, a kind of directional type optical interference system for unmanned plane, including unmanned plane early warning identification device,
Unmanned plane fixing and locking device, directional type optical interference device and console;
The unmanned plane early warning identification device includes low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying and pre-
Alert device, the low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying are electrically connected at the precaution device;
The unmanned plane fixing and locking device includes control unit, supporting module and multiple range laser radars;It is described to swash
Ligh-ranging radar is arranged in the supporting module, and is electrically connected at described control unit;Described control unit communication connection
In the precaution device, interference unit driving unit, range laser radar and console;
The directional type countermeasure set includes interference unit driving unit, interference unit support device and optical signalling transmitting dress
Put;The optical signaling device is arranged in the interference unit support device, and is electrically connected at the interference unit driving
Unit;The optical signaling device and interference driving unit are communicatively coupled to the console;
The console communication is connected to unmanned plane early warning identification device, unmanned plane fixing and locking device and the directional type
Optical interference device.
It should be noted that the console includes communication module, data processing module, display module and energy module,
The communication module is communicatively coupled to data processing module, unmanned plane early warning identification device, unmanned plane fixing and locking device respectively
With directional type optical interference device, the energy module is the whole directional type optical interference system power supply;At the data
Reason module is then electrically connected at the display module.
It should be noted that the low latitude early warning radar includes mainly being received by radar transmitter, signal antenna, radar
Machine, signal processor and radar controller composition, the radar transmitter and radar receiver are electrically connected at the signal
Antenna, the signal antenna are electrically connected at the signal processor, and the signal processor is electrically connected at the radar control
Device processed, the radar controller are communicatively coupled to the console and precaution device.Radar transmitter is mainly for generation of electromagnetic wave
Signal, and launched electromagnetic wave signal by signal antenna.Radar receiver is used to receive to be received by signal antenna
Electromagnetic wave echo-signal.Signal processor uses a variety of filtering modes, for clutter reduction, it is ensured that the standard of low latitude early warning radar
True property and validity.Radar controller is used to communicate, by by the data of signal processor processing pass to console with it is pre-
Alert device, and the control command of console is received, the radar transmitter transmitting parameter such as frequency range and power is set and to signal
The filtering mode of processor is set.
It should be noted that the electromagnetic monitoring equipment includes signal analyzer, communicator and multiple electromagnetic signals sensing
Device;The electromagnetic signal sensor dispersed distribution is in protection of goal space, for continuing to monitor the electromagnetic signal of guard space, and
Pass the electromagnetic signal of collection back the signal analyzer;The signal analyzer uses the method for multi-sensor information fusion will
The electromagnetic signal of multiple electromagnetic signal sensors carries out processing analysis, and filtering clutter disturbs;The communicator is electrically connected at
The signal analyzer, for the letter that is communicated and will be obtained by signal analyzer processing analysis with precaution device and console
Breath reaches precaution device, and the control instruction for receiving console carries out the setting of parameter.
It should be noted that the acoustics device for identifying includes acoustic sensor, the filter and amplification for being distributed in designated position
Device and identification module, the acoustic sensor, filter amplifier and identification module communicate to connect successively, the identification module communication
It is connected to the precaution device and console;The acoustic sensor high sensitivity, identification frequency domain is wide, is mainly used for monitoring objective guarantor
Protect the acoustic signal in space;The filter amplifier is electrically connected at the acoustic sensor, for by the background of acoustic signal
Clutter filters out and amplifies wave frequency signal of concern;The identification module is electrically connected at the filter amplifier, for inciting somebody to action
The acoustic signal for receiving filtered amplifier processing carries out feature extraction, and with storing unmanned plane acoustic feature beyond the clouds
It is compared, and then unmanned plane is identified, recognition result is then transmitted to precaution device, receives the control instruction of console
Carry out the setting of parameter.
It should be noted that the precaution device is used for the low latitude early warning radar, electromagnetic monitoring equipment, acoustics identification dress
Put the data message that transmission comes and carry out comprehensive analysis, finally to judge whether unmanned plane invades, such as determine that unmanned plane is invaded, then is sent out
Warning information is sent to control unit, unmanned plane is invaded if can not determine, continues to monitor.
It should be noted that the range laser radar includes laser emitter, laser pickoff, information processor;
The laser emitter includes laser, Laser Power Devices and optical transmitting system, the laser that the laser is sent
Launched by optical transmitting system, the laser light source is electrically connected at the laser and provides power supply, the laser for it
Device is communicatively coupled to described control unit.Laser uses near-infrared light source, and the angle of divergence is small, and wave beam is relatively narrow, and energy is more concentrated,
And there is preferable coherence.The Laser Power Devices are used to power to laser, and output current is big, power stability, can meet to swash
The energy demand of light device.The control instruction of laser reception control unit simultaneously launches laser at the control.
The laser pickoff includes receiving optics, optical element, photodetector.The receiving optics is used
Converged in the laser energy for reflecting invasion unmanned plane on photodetector, and suitably limit field of view of receiver, reduced
The interference of veiling glare, improves sensitivity and the signal-to-noise ratio of reception, to improve the range accuracy of range-measurement system and operating distance.It is described
Photodetector is used to convert optical signals to electric signal, and is transmitted to described information processing unit.The optical element, including
Optical filter and attenuator, are arranged between receiving optics and photodetector, for improving pulsed laser ranging radar
Performance, increases operating distance, expands gain ranging.
Described information processing unit is used for the electric signal that photodetector is changed in the laser pickoff and carries out at analysis
Reason, so that it is determined that distance of the invasion unmanned plane apart from present laser range radar, and send to control unit.
It should be noted that after precaution device sends warning information, control unit by warning information be sent to console with
Range laser radar;In addition, control unit by range laser radar institute's ranging from analysis calculating is carried out, so as to draw unmanned plane
Absolute location coordinates, and unmanned plane coordinate is reached into console and interference unit driving unit.
It should be noted that the supporting module uses stainless steel structure, corrosion resistance and good, using wind force proofing design, knot
Structure is more stable, is more easy to weather resistant, achievees the purpose that protection supports the unmanned plane fixing and locking device.
It should be noted that the interference unit driving unit includes azimuth-drive motor and elevation angle motor, the azimuth-drive motor can
Interference unit support device is controlled to carry out 360 degrees omnidirection rotation;The elevation angle motor control interference unit support device carries out the elevation angle
Adjust.By the interference unit driving unit, formula interference can be oriented to unmanned plane.
The interference unit support device includes support frame and interface module;The support frame, which plays, sends out optical signalling
Injection device is supported the effect with protection.The interface module includes power interface circuit and communication interface circuit.Power supply connects
Mouth circuit is electrical connected by electric power system and energy module, is responsible for receiving the energy that energy module provides, for interference unit support
Device is powered;Communication interface circuit is connected with communication module, is responsible for the data communication of optical signaling device and console.
The optical signaling device includes intense light source and optical signal adjusting apparatus.The intense light source uses xenon lamp, uses
Modulator approach produces a series of accurate coded pulses, can launch strong jamming optical signalling, and main component is visible ray and infrared
Light, for disturbing unmanned plane camera to be shot;The optical signal adjusting apparatus is connected to the intense light source, for strong light
The optical signal that source is sent is adjusted, and is adjusted the depth of parallelism and correlation of light, its energy is concentrated and be transmitted to assigned direction,
Realize to invading the directional jamming of unmanned plane, and reduce optical energy loss.
The communication module communication is connected to unmanned plane early warning identification device, unmanned plane position and lock module, directional type light
Learn countermeasure set.The communication module includes multiple optical fiber interfaces, can carry out fast data communication.
The energy module includes electric power system and lead accumulator.The electric power system and the directing optical interference system
In all consuming parts be electrically connected, and 220V AC voltage is converted into DC voltage.The electric power system compact,
Good reliability, using double tube positive exciting framework, supports the input of 180v-240v wide power grids, perfect heat-dissipating, comprising multiple+12V and+
5V voltage interfaces, meet the needs for system power supply.The lead accumulator is electrically connected with electric power system, can be sent out in external electrical network
Raw power-off is used when emergency case as internal Emergency power source.
As shown in Figure 2-5, unmanned plane directing optical is carried out using the above-mentioned directional type optical interference system for unmanned plane
The method of interference, includes the following steps:
Electromagnetic monitoring equipment, acoustics device for identifying and low latitude early warning radar are arranged into setting position by S1, ensure its monitoring
Scope covers whole protection of goal space, and range laser radar is seated to designated position.System is opened, and is carried out initialization and is set
Put.Electromagnetic monitoring equipment remembers the electromagnetic environment in protection of goal space, and protection of goal spatial electromagnetic signal is carried out
Monitoring.
S2 electromagnetic monitorings equipment initially enters normal operating conditions with acoustics device for identifying, and low latitude early warning radar starts to mesh
Mark guard space and carry out full visual angle cruise monitoring.When find suspicious object fly into protection of goal space, i.e.,:Electromagnetic monitoring Supervision
Measure abnormal electromagnetic signal and swarm into protection of goal space, and be in unmanned aerial vehicle (UAV) control signal frequency range;Low latitude early warning radar monitors
Suspicious object swarms into protection of goal space, and monitors that each physical parameter of suspicious object meets unmanned plane size, size, the speed of a ship or plane
Feature;Acoustics device for identifying detects that audible signal swarms into unmanned plane during flying noise frequency range, and noise signal is through feature extraction,
Meet unmanned plane during flying signal noise feature, information is passed to pre- by low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying
Alert device, method of the precaution device Jing Guo multi-sensor information fusion judge whether suspicious object is unmanned plane.If suspicious object is not
It is unmanned plane, then system continues to monitor;If suspicious object is unmanned plane, enter in next step.
Warning information is reached control unit by S3 precaution devices, and control unit control range laser radar is opened, in difference
The range laser radar of position carries out ranging to invasion unmanned plane respectively, and control unit is according to the laser ranging in designated position
Distance by radar invades the different distance of unmanned plane, calculates the absolute coordinate of invasion unmanned plane.
S4 control units are sent after the absolute coordinate of invasion unmanned plane is obtained to console and interference unit driving unit, control
Platform processed control unmanned plane directional type countermeasure set is opened, and interference unit driving unit is opened, driving optics letter emitter turn into
Invade unmanned plane position.After specified angle is reached, optical signaling device is opened, and strong jamming optics is sent to invasion unmanned plane
Signal, prevents invasion unmanned plane camera from being shot, the visible light part of the strong jamming optical signalling is mainly used for preventing
The shooting in the daytime of unmanned plane;Infrared portions are mainly used for preventing the shooting at night of unmanned plane.
After invasion unmanned plane is intercepted or withdraws protection spatial domain, unmanned plane directional type optical interference device automatically replies S5
Initial position, optical signaling device are closed, and system is again introduced into early warning monitoring state, until equipment is closed or is found again
Invade unmanned plane.
Embodiment
(1) after system starts, initialized, complete the foundation and correction of coordinate system, and to protection of goal spatial electromagnetic
Environment is remembered.Unmanned plane early warning identification device is started to work.
(2) for unmanned plane early warning identification device during monitoring, low latitude early warning radar finds that the appearance of protection of goal space can
Flying object is doubted, and electromagnetic monitoring equipment finds that strange electromagnetic signal occurs in electromagnetic environment, acoustics device for identifying captures unmanned plane
Characteristic noise signal.Precaution device analyzes sensor data fusion, judges intrusion object for unmanned plane, is sent out immediately to console
Go out pre-warning signal.Console receives pre-warning signal, opens range laser radar, the range laser radar point positioned at designated position
Other that ranging is carried out to invasion unmanned plane, controller is obtained by calculation the absolute coordinate of invasion unmanned plane and sends it to control
Platform.The absolute coordinate of received invasion unmanned plane is transmitted to directional type optical interference device by console.
(3) directional type optical interference device goes to invasion unmanned plane position, and optical signaling device is opened, optical signal tune
After engagement positions adjust interference signal, transmitting to invasion unmanned plane position, disturbs invasion unmanned plane.
(4) after invasion unmanned plane is dislodged, system returns to original state, and unmanned plane early warning identification device continues to protecting
Shield spatial domain is monitored, out code is received until occurring suspicious flying object or system again.
With the development of society, people increasingly pay close attention to safety problem, unmanned plane utilizes its low latitude operation, and concealment is strong
Advantage, development is swift and violent, therefore anti-unmanned plane is increasingly paid attention to by people.A kind of directional type for unmanned plane of the present invention
Optical interference system and method, perfect anti-unmanned air vehicle technique, carries out invasion unmanned plane by launching strong jamming optical signalling
Interference, has ensured the information security of people.By the early warning and monitoring to low target, reach and early warning made to intrusion target,
Ranging localization is carried out to intrusion target by range laser radar again, using laser ranging and multi-sensor information fusion technology,
Reach and position monitor is carried out to invasion unmanned plane, so as to reach the directional type optical interference to invading unmanned plane.
For those skilled in the art, technical solution that can be more than and design, provide various corresponding
Change and deform, and all these change and deformation, should be construed as being included within the protection domain of the claims in the present invention.
Claims (10)
1. a kind of directional type optical interference system for unmanned plane, it is characterised in that including unmanned plane early warning identification device, nothing
Man-machine fixing and locking device, directional type optical interference device and console;
The unmanned plane early warning identification device includes low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying and precaution device,
The low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying are electrically connected at the precaution device;
The unmanned plane fixing and locking device includes control unit, supporting module and multiple range laser radars;The Laser Measuring
It is arranged on away from radar in the supporting module, and is electrically connected at described control unit;Described control unit communication is connected to institute
State precaution device, interference unit driving unit, range laser radar and console;
The directional type countermeasure set includes interference unit driving unit, interference unit support device and optical signaling device;Institute
Optical signaling device is stated in the interference unit support device, and is electrically connected at the interference unit driving unit;
The optical signaling device and interference driving unit are communicatively coupled to the console;
The console includes communication module, data processing module, display module and energy module, and the communication module is led to respectively
Letter is connected to data processing module, unmanned plane early warning identification device, unmanned plane fixing and locking device and directional type optical interference dress
Put, the energy module is the whole directional type optical interference system power supply;The data processing module is then electrically connected at
The display module.
2. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the low latitude is pre-
Alert radar includes mainly being made of radar transmitter, signal antenna, radar receiver, signal processor and radar controller, institute
State radar transmitter and radar receiver and be electrically connected at the signal antenna, the signal antenna is electrically connected at the letter
Number processor, the signal processor are electrically connected at the radar controller, and the radar controller is communicatively coupled to described
Console and precaution device;Radar transmitter is sent out electromagnetic wave signal by signal antenna mainly for generation of electromagnetic wave signal
It is shot out, radar receiver is used to receive the electromagnetic wave echo-signal received by signal antenna, and signal processor is used to press down
Clutter processed, radar controller are used to communicate, and will pass to console and precaution device by the data of signal processor processing, and
The control command of console is received, the parameter of radar transmitter is set and the filtering mode of signal processor is set
It is fixed.
3. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the electromagnetism prison
Control equipment includes signal analyzer, communicator and multiple electromagnetic signal sensors;The electromagnetic signal sensor dispersed distribution in
Protection of goal space, the signal point is passed back for continuing to monitor the electromagnetic signal of guard space, and by the electromagnetic signal of collection
Analyzer;The signal analyzer using multi-sensor information fusion method by the electromagnetic signal of multiple electromagnetic signal sensors into
Row processing analysis, and filtering clutter disturbs;The communicator is electrically connected at the signal analyzer, for precaution device and control
Platform processed is communicated and the information obtained by signal analyzer processing analysis is reached precaution device.
4. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the acoustics is distinguished
Identification device includes being distributed in the acoustic sensor of designated position, filter amplifier and identification module, the acoustic sensor, filtering
Amplifier and identification module communicate to connect successively, and the identification module is communicatively coupled to the precaution device and console;The sound
Learn the acoustic signal that sensor is mainly used for monitoring objective guard space;The filter amplifier is electrically connected at the acoustics and passes
Sensor, for being filtered out the background clutter of acoustic signal and amplifying wave frequency signal of concern;The identification module electrically connects
The filter amplifier is connected to, the acoustic signal progress feature extraction handled for filtered amplifier will to be received, and with
The unmanned plane acoustic feature of storage beyond the clouds is compared, and then unmanned plane is identified, and is then transmitted to recognition result
Precaution device.
5. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the precaution device
Data message for the low latitude early warning radar, electromagnetic monitoring equipment, the transmission of acoustics device for identifying to be come carries out comprehensive analysis,
Finally to judge whether unmanned plane invades, such as determine that unmanned plane is invaded, then send warning information to control unit.
6. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the Laser Measuring
Include laser emitter, laser pickoff, information processor away from radar;
The laser emitter includes laser, Laser Power Devices and optical transmitting system, and the laser that the laser is sent passes through
Optical transmitting system is launched, and the laser light source is electrically connected at the laser and provides power supply for it, and the laser leads to
Letter is connected to described control unit;The control instruction of laser reception control unit simultaneously launches laser at the control;
The laser pickoff includes receiving optics, optical element, photodetector;The receiving optics is used for will
The laser energy that invasion unmanned plane reflects is converged on photodetector;The photodetector is used to change optical signal
For electric signal, and it is transmitted to described information processing unit;The optical element, including optical filter and attenuator, are arranged in reception
Between optical system and photodetector;
Described information processing unit is used for the electric signal that photodetector is changed in the laser pickoff and is analyzed and processed, from
And determine distance of the invasion unmanned plane apart from present laser range radar, and send to control unit.
7. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the interference unit
Driving unit includes azimuth-drive motor and elevation angle motor, and the azimuth-drive motor can control interference unit support device to carry out 360 degree of full sides
Position rotation;The elevation angle motor control interference unit support device carries out elevation angle adjusting.
8. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the interference unit
Support device includes support frame and interface module;The support frame is used to optical signaling device is supported and protected
Shield;The interface module includes power interface circuit and communication interface circuit, and power interface circuit passes through electric power system and the energy
Module is electrical connected, and is responsible for receiving the energy that energy module provides, powers for directional type countermeasure set;Communication interface circuit is with leading to
Believe module connection, be responsible for the data communication of optical signaling device and console.
9. the directional type optical interference system according to claim 1 for unmanned plane, it is characterised in that the optics letter
Number emitter includes intense light source and optical signal adjusting apparatus;The intense light source produces a series of accurate volumes using modulator approach
Code pulse, can launch strong jamming optical signalling, main component is visible ray and infrared light, for disturbing unmanned plane camera to carry out
Shooting;The optical signal adjusting apparatus is connected to the intense light source, for being adjusted to the optical signal that intense light source is sent, adjusts
The depth of parallelism of light and correlation, enable its energy to concentrate and are transmitted to assigned direction, realize the directional jamming to invading unmanned plane,
And reduce optical energy loss.
10. carry out unmanned plane orientation using the directional type optical interference system for unmanned plane described in any of the above-described claim
The method of formula optical interference, it is characterised in that include the following steps:
Electromagnetic monitoring equipment, acoustics device for identifying and low latitude early warning radar are arranged into setting position by S1, ensure its monitoring range
Whole protection of goal space is covered, and range laser radar is seated to designated position;System is opened, and carries out Initialize installation;
Electromagnetic monitoring equipment remembers the electromagnetic environment in protection of goal space, and protection of goal spatial electromagnetic signal is supervised
Survey;
S2 electromagnetic monitorings equipment initially enters normal operating conditions with acoustics device for identifying, and low latitude early warning radar starts to protect target
Protect space and carry out full visual angle cruise monitoring;When find suspicious object fly into protection of goal space, i.e.,:Electromagnetic monitoring monitoring of equipment arrives
Abnormal electromagnetic signal swarms into protection of goal space, and is in unmanned aerial vehicle (UAV) control signal frequency range;Low latitude early warning radar monitors suspicious
Target swarms into protection of goal space, and monitors that each physical parameter of suspicious object meets unmanned plane size, size, the spy of the speed of a ship or plane
Sign;Acoustics device for identifying detects that audible signal swarms into unmanned plane during flying noise frequency range, and noise signal meets through feature extraction
Information is passed to early warning by unmanned plane during flying signal noise feature, low latitude early warning radar, electromagnetic monitoring equipment, acoustics device for identifying
Device, method of the precaution device Jing Guo multi-sensor information fusion judge whether suspicious object is unmanned plane;If suspicious object is not
Unmanned plane, then system continue to monitor;If suspicious object is unmanned plane, enter in next step;
Warning information is reached control unit by S3 precaution devices, and control unit control range laser radar is opened, in diverse location
Range laser radar respectively to invasion unmanned plane carry out ranging, control unit according to be in designated position range laser radar
The different distance of distance invasion unmanned plane, calculates the absolute coordinate of invasion unmanned plane;
S4 control units are sent to console and interference unit driving unit, console after the absolute coordinate of invasion unmanned plane is obtained
Unmanned plane directional type countermeasure set is controlled to open, interference unit driving unit is opened, and driving optics letter emitter turns to invasion nothing
Man-machine position;After specified angle is reached, optical signaling device is opened, and strong jamming optics letter is sent to invasion unmanned plane
Number, prevent invasion unmanned plane camera from being shot, the visible light part of the strong jamming optical signalling is mainly used for preventing nothing
Man-machine shooting in the daytime;Infrared portions are mainly used for preventing the shooting at night of unmanned plane;
After invasion unmanned plane is intercepted or withdraws protection spatial domain, unmanned plane directional type optical interference device automatically replies initially S5
Position, optical signaling device are closed, and system is again introduced into early warning monitoring state, until invasion is closed or found again to equipment
Unmanned plane.
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