CN109194440A - A kind of automatic identification and interference UAV system - Google Patents
A kind of automatic identification and interference UAV system Download PDFInfo
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- CN109194440A CN109194440A CN201810888243.1A CN201810888243A CN109194440A CN 109194440 A CN109194440 A CN 109194440A CN 201810888243 A CN201810888243 A CN 201810888243A CN 109194440 A CN109194440 A CN 109194440A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/92—Jamming or countermeasure characterized by its function related to allowing or preventing remote control
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/015—Arrangements for jamming, spoofing or other methods of denial of service of such systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/822—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by detecting the presence of a surveillance, interception or detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/90—Jamming or countermeasure characterized by its function related to allowing or preventing navigation or positioning, e.g. GPS
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a kind of automatic identifications and interference UAV system, including master controller, 5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module, GPS signal transceiver module, strong illumination interference module and signal generator；The 5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module, GPS signal transceiver module, strong illumination interference module and signal generator are electrically connected at the master controller.The present invention can be with automatic identification unmanned plane communication signal; and starts each interference module immediately after recognition and unmanned plane communication signal is interfered; the effective monitoring of unmanned plane can be achieved; operative constraint is carried out to unmanned plane; the moral privacy and life security of the people are protected in the illegal invasion for preventing unmanned plane.
Description
Technical field
The present invention relates to unmanned plane identification and perturbation technique fields, and in particular to a kind of automatic identification and interference unmanned plane system
System.
Background technique
In recent years, unmanned plane development cost is being reduced always, and the development for bringing unmanned plane industry to advance by leaps and bounds, unmanned plane is just
Enter the fields such as recreational activities, delivery industry, photography and camera shooting, search and rescue at leisure, is no longer " tall and big from this unmanned plane
On " thing, reformed into " daily necessities " in the lives of the people suddenly.Certain unmanned plane products on the market, not only in appearance
It has any different in shape, and different types of unmanned plane also has certain differences in self performance.Unmanned plane has such
Common fault, for example cruise duration is short, operation stability is not good enough.Disadvantage especially highlights not ripe enough in operation of the user person to unmanned plane
When white silk, " air crash " event occur is common occurrence.If this " air crash " event occurs in the urban district that crowd concentrates, after
Fruit is hardly imaginable.
The rapid development of unmanned air vehicle technique also brings various drawbacks while offering convenience.On April 17th, 2017 and
18, in Chengdu Shuangliu Airport, there have been since operator is not by regulation flight unmanned plane, very disruptive was more than 30 sorties
Flight takeoff and landing.Not only on airport, also there is unmanned plane at national governments official residence, including White House and Japan
The event of invasion.Various drawbacks that unmanned plane generates accelerate anti-unmanned air vehicle technique research.Every country is according to anti-unmanned plane
Various technical requirements have developed miscellaneous anti-unmanned machine equipment, for example interfere unmanned plane during flying end and be remotely controlled end communication, adopt
Physics capture is carried out to UAV targets with catching net, UAV targets are directly destroyed using laser, expert along training hawk birds move
Object captures UAV targets.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of automatic identification and interference UAV system, can oneself
Dynamic identification unmanned plane communication signal, and start each interference module immediately after recognition and unmanned plane communication signal is interfered, it can
The effective monitoring for realizing unmanned plane carries out operative constraint to unmanned plane, prevents the illegal invasion of unmanned plane, protect the people's
Moral privacy and life security.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of automatic identification and interference UAV system, including master controller, 5.8GHz radio receiving transmitting module, 2.4GHz without
Line transceiver module, GPS signal transceiver module, strong illumination interference module and signal generator；The 5.8GHz wireless receiving and dispatching mould
Block, 2.4GHz radio receiving transmitting module, GPS signal transceiver module, strong illumination interference module and signal generator are electrically connected
In the master controller；
The 5.8GHz radio receiving transmitting module is used for the 5.725GHz-5.825GHz wireless signal in automatic reception space simultaneously
It is transmitted to master controller, and the image transmitting interference signal to spatial emission 5.725GHz-5.825GHz；
The 2.4GHz radio receiving transmitting module is used for the 2.400GHz-2.483GHz wireless signal in automatic reception space simultaneously
It is transmitted to master controller, and the communication control interference signal to spatial emission 2.400GHz-2.483GHz；
The GPS signal transceiver module is for the 1.176GHz-1.575GHz wireless signal in automatic reception space and passes
Transport to master controller, and to spatial emission GPS interference signal；
Signal generator is used to generate GPS interference signal, communication control interference signal and figure according to the instruction of master controller
As transmission interference signal；
Strong illumination interference module is used for the instruction according to master controller, focuses An Intense Beam of Light in the sky and direct irradiation exists
The mirror surface of the camera of unmanned plane forms an intense light source within the scope of 1km, obscures the things other than intense light source；
The master controller is used for when receiving 2.400GHz-2.483GHz wireless signal, by the 2.400GHz-
The feature of 2.483GHz wireless signal and the feature of preset unmanned aerial vehicle (UAV) control communication signal compare, and determining should
Whether 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal；Determine the 2.400GHz-2.483GHz without
Line signal is after unmanned aerial vehicle (UAV) control communication signal, control signal generator is wireless according to the 5.725GHz-5.825GHz received
Signal, 2.400GHz-2.483GHz wireless signal and 1.176GHz-1.575GHz wireless signal generate image transmitting interference letter
Number, communication control interference signal and GPS interference signal, then pass through 5.8GHz radio receiving transmitting module, 2.4GHz wireless receiving and dispatching mould
Block, GPS signal transceiver module respectively by image transmitting interference signal, communication control interference signal and GPS interference signal emit to
It in space, and determines according to the 1.176GHz-1.575GHz wireless signal received the position of the unmanned plane, controls strong illumination
Interference module focuses An Intense Beam of Light and direct irradiation in the mirror surface of the camera of the unmanned plane in the sky, is formed within the scope of 1km
One intense light source obscures the things other than intense light source.
Further, the 5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module and GPS signal transceiver module are equal
Including clock generation module, transmit-receive switch, filter, wideband synthesizer, RF transceiver, ADC/DAC, CPLD,
Microcontroller and antenna, it is the transmit-receive switch, filter, wideband synthesizer, RF transceiver, ADC/DAC, CPLD, micro-
Controller is sequentially connected, and the transmit-receive switch is also attached to the microcontroller, and the antenna is connected to the transmitting-receiving and turns
Switch is changed, the clock generation module is connected to the wideband synthesizer, RF transceiver, ADC/DAC and CPLD,
Master controller is connect with micro-controller communications；The working frequency of the antenna of the 5.8GHz radio receiving transmitting module is 5.725GHz-
5.825GHz, the working frequency of the antenna of the 2.4GHz radio receiving transmitting module are 2.400GHz-2.483GHz, the GPS letter
The working frequency of the antenna of number transceiver module is 1.176GHz-1.575GHz.
The method for carrying out automatic identification using above-mentioned automatic identification and interference UAV system and interfering unmanned plane, including such as
Lower step:
S1,5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module and GPS signal transceiver module is round-the-clock sweeps automatically
Retouch the electromagnetic signal in space；When master controller receives the 2.400GHz- that the transmission of 2.4GHz radio receiving transmitting module comes
When 2.483GHz wireless signal, the feature of the 2.400GHz-2.483GHz wireless signal and preset unmanned aerial vehicle (UAV) control are communicated
The feature of signal is compared, and judges whether the 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal；
S2 is when master controller confirms that the 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal, i.e.,
When having unmanned plane that will break in, drive signal generator generates GPS interference signal to master controller immediately, communication control is done
Disturb signal and image transmitting interference signal and be transmitted to master controller, master controller pass through respectively 5.8GHz radio receiving transmitting module,
2.4GHz radio receiving transmitting module, GPS signal transceiver module do image transmitting interference signal, communication control interference signal and GPS
It disturbs signal to emit into space, and is determined according to the 1.176GHz-1.575GHz wireless signal that GPS signal transceiver module receives
The position of the unmanned plane, control strong illumination interference module focus An Intense Beam of Light and direct irradiation taking the photograph in the unmanned plane in the sky
As the mirror surface of head, an intense light source is formed within the scope of 1km, obscures the things other than intense light source.
Further, in step S2, when determining has unmanned plane that will break in, signal generator is for current main
The no-fly zone function built in unmanned plane is flowed, generates no-fly zone program transportation to master controller, the master controller passes through GPS signal
Transceiver module issues, and unmanned plane can decline or make a return voyage automatically after receiving the signal；For not having the nothing of no-fly zone function
Man-machine, signal generator first generates one section of powerful interference signal and is transmitted to master controller, and master controller is received by GPS signal
Hair module emits to space, and then signal generator regenerates the wireless communication of one section with the 1.176GHz-1.575GHz received
The Doppler frequency shift of number C/A code has the pseudo gps signal of difference as GPS interference signal and is transmitted to master controller, master controller
Emitted by GPS signal transceiver module to space, unmanned plane tracks upper pseudo gps signal, thus make unmanned plane decline automatically or
It makes a return voyage；GPS interference signal is consistent with the parameter of true GPS signal at unmanned plane receiving end.
Further, the wireless signal C/A code of GPS interference signal and the 1.176GHz-1.575GHz received is more
The general difference for strangling frequency displacement is 1.5 chips or more.
Further, in step S2, signal generator, which is generated, has difference with the unmanned aerial vehicle (UAV) control communication signal received
Pseudo- 2.4GHz communication control signal is transmitted to master controller, and master controller is controlled pseudo- 2.4GHz by 2.4GHz radio receiving transmitting module
Communication signal processed is emitted in space；Pseudo- 2.4GHz communication control signal enters track loop as communication control interference signal,
The code phase alignment of true unmanned aerial vehicle (UAV) control communication signal in its code phase and track loop by duplication one and receives
The consistent pseudo-code of the unmanned aerial vehicle (UAV) control communication signal phase arrived, allows the unmanned aerial vehicle (UAV) control communication signal that receives and duplication pseudo-code
It is multiplied related, removes the unmanned aerial vehicle (UAV) control communication signal received；It is slowly increased the performance number of pseudo- 2.4GHz communication control signal
Until being greater than the power of the unmanned aerial vehicle (UAV) control communication signal received.
Further, the difference of pseudo- 2.4GHz communication control signal and the unmanned aerial vehicle (UAV) control communication signal received is
2.5 chips or more.
Further, signal generator generates puppet 5.8GHz image transmitting signal and as image transmitting interference signal and transmits
To master controller, pseudo- 5.8GHz image transmitting signal is sent to space by 5.8GHz radio receiving transmitting module by master controller, institute
Stating pseudo- 5.8GHz image transmitting signal has difference with the 5.725GHz-5.825GHz wireless signal received；The puppet 5.8GHz
Image transmitting signal enters track loop, true in the code phase and track loop of pseudo- 5.8GHz image transmitting signal
The code phase alignment of 5.8GHz image transmitting signal passes through 5.725GHz-5.825GHz wireless communication duplication one and received
Then number consistent pseudo-code of phase allows the 5.725GHz-5.825GHz wireless signal received related to duplication pseudo-code multiplication,
Received 5.725GHz-5.825GHz wireless signal is removed, so that unmanned plane tracks upper puppet 5.8GHz image transmitting signal.
Further, pseudo- 5.8GHz image transmitting signal and the 5.725GHz-5.825GHz wireless signal that receives
Difference is 2.5 chips or more.
The beneficial effects of the present invention are: the present invention can the round-the-clock automatic monitoring unmanned plane signal in ground, once monitor nothing
Man-machine signal just at once to the Signal online analysis of acquisition, promptly generates interference signal identical with original signal, so that nobody
Machine does not receive the true control signals that remote control end issues, and remote control end can not also receive the true picture number that unmanned plane is sent
According to the GPS signal of unmanned plane can generate the location information of mistake after being disturbed, unmanned plane then will start decline or return automatically
Boat.
Detailed description of the invention
Fig. 1 is the system composition schematic diagram of the embodiment of the present invention；
Fig. 2 is the transceiver module composition schematic diagram of the embodiment of the present invention；
Fig. 3 is the method flow schematic diagram of the embodiment of the present invention.
Specific embodiment
Below with reference to attached drawing, the invention will be further described, it should be noted that following embodiment is with this technology
Premised on scheme, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to this
Embodiment.
At work, the location information of unmanned plane is determined by its GPS signal to unmanned plane, and the remote control end of unmanned plane is logical
2.400GHz-2.483GHz communication control signal transmission control information is crossed to unmanned plane, unmanned plane passes through 5.725GHz-
5.825GHz image transmitting signal, which transmits image data, gives remote control end.Accordingly, the present embodiment provides a kind of automatic identifications and interference
UAV system is as follows:
A kind of automatic identification and interference UAV system, as shown in Figure 1, including master controller 1,5.8GHz wireless receiving and dispatching mould
Block 2,2.4GHz radio receiving transmitting module 3, GPS signal transceiver module 4, strong illumination interference module 5 and signal generator 6；It is described
5.8GHz radio receiving transmitting module 2,2.4GHz radio receiving transmitting module 3, GPS signal transceiver module 4,5 and of strong illumination interference module
Signal generator 6 is electrically connected at the master controller 1；
The 5.8GHz radio receiving transmitting module 2 is for the 5.725GHz-5.825GHz wireless signal in automatic reception space
And it is transmitted to master controller, and to the image transmitting interference signal of spatial emission 5.725GHz-5.825GHz；
The 2.4GHz radio receiving transmitting module 3 is for the 2.400GHz-2.483GHz wireless signal in automatic reception space
And it is transmitted to master controller, and to the communication control interference signal of spatial emission 2.400GHz-2.483GHz；
The GPS signal transceiver module 4 is for the 1.176GHz-1.575GHz wireless signal in automatic reception space and passes
Transport to master controller, and to spatial emission GPS interference signal；
Signal generator 6 is for generating GPS interference signal, communication control interference signal and image transmitting interference signal；
Strong illumination interference module 5 is used for the instruction according to master controller, focuses An Intense Beam of Light and direct irradiation in the sky
In the mirror surface of unmanned plane camera, an intense light source is formed within the scope of 1km, obscures the things other than intense light source；
The master controller 1 is used for when receiving 2.400GHz-2.483GHz wireless signal, by the 2.400GHz-
The feature of 2.483GHz wireless signal and the feature of preset unmanned aerial vehicle (UAV) control communication signal compare, and determining should
Whether 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal；Determine the 2.400GHz-2.483GHz without
Line signal is after unmanned aerial vehicle (UAV) control communication signal, control signal generator is wireless according to the 5.725GHz-5.825GHz received
Signal (image transmitting signal), 2.400GHz-2.483GHz wireless signal (communication control signal) and 1.176GHz-1.575GHz
Wireless signal (GPS signal) generates image transmitting interference signal, communication control interference signal and GPS interference signal, then distinguishes
Emit by 5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module, GPS signal transceiver module into space, and according to
The 1.176GHz-1.575GHz wireless signal received determines the position of the unmanned plane, controls strong illumination interference module in sky
The middle mirror surface for focusing An Intense Beam of Light and camera of the direct irradiation in the unmanned plane, forms an intense light source, mould within the scope of 1km
Paste the things other than intense light source.
Communication control interference signal, GPS interference signal and image transmitting interference signal can make to be remotely controlled 101 nothing of end respectively
Normal direction unmanned plane 100 send control information, unmanned plane can not be obtained from satellite 200 true GPS positioning information and unmanned plane without
The mobile device normal transmission image information that normal direction is connect with remote control end, so that unmanned plane declines or returns automatically.Qiang Guang
The picture image that irradiation interference module can make unmanned plane send the mobile device being connected with remote control end to is unintelligible, and movement is set
It is standby to execute the functions such as take pictures, record a video.
Further, the automatic identification and interference UAV system further include having display, and the display electrically connects
It is connected to the master controller.
Further, as shown in Fig. 2, the 5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module and GPS signal
The composition of transceiver module is essentially identical, include clock generation module, transmit-receive switch, filter, wideband synthesizer,
RF transceiver, ADC/DAC, CPLD, microcontroller and antenna, the transmit-receive switch, wideband synthesizer, are penetrated filter
Frequency transceiver, ADC/DAC, CPLD, microcontroller are sequentially connected, and the transmit-receive switch is also attached to the microcontroller,
The antenna is connected to the transmit-receive switch, the clock generation module be connected to the wideband synthesizer,
RF transceiver, ADC/DAC and CPLD, master controller are connect with micro-controller communications；The 5.8GHz radio receiving transmitting module
The working frequency of antenna is 5.725GHz-5.825GHz, and the working frequency of the antenna of the 2.4GHz radio receiving transmitting module is
2.400GHz-2.483GHz the working frequency of the antenna of the GPS signal transceiver module is 1.176GHz-1.575GHz.
In the present embodiment, the wideband synthesizer uses RFFC5072, and the RF transceiver uses MAX2837, institute
ADC/DAC is stated using MAX5864 AFE(analog front end), the microcontroller uses LPC4320, the CPLD to use XC2C64A.Master control
The jtag interface that device processed is simulated by USB interface and LPC4320 micro-controller communications, microcontroller by parallel bus and GPIO
It is connect with CPLD；MAX5864 carries out digital-to-analogue conversion to the data of transmission, carries out analog-to-digital conversion to the data received；MAX2837
Up/down frequency conversion is completed, and frequency range is improved by wideband synthesizer RFFC5072, MCU passes through transmit-receive switch and antenna
Connection.
As shown in figure 3, carrying out automatic identification using above-mentioned automatic identification and interference UAV system and interfering unmanned plane
Method includes the following steps:
S1,5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module and GPS signal transceiver module is round-the-clock sweeps automatically
Retouch the electromagnetic signal in space；When master controller receives the 2.400GHz- that the transmission of 2.4GHz radio receiving transmitting module comes
When 2.483GHz wireless signal, the feature of the 2.400GHz-2.483GHz wireless signal and preset unmanned aerial vehicle (UAV) control are communicated
The feature of signal is compared, and judges whether the 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal；
S2 is when master controller confirms that the 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal, i.e.,
When having unmanned plane that will break in, drive signal generator generates GPS interference signal to master controller immediately, communication control is done
Disturb signal and image transmitting interference signal and be transmitted to master controller, master controller pass through respectively 5.8GHz radio receiving transmitting module,
2.4GHz radio receiving transmitting module, GPS signal transceiver module do image transmitting interference signal, communication control interference signal and GPS
It disturbs signal to emit into space, and is determined according to the 1.176GHz-1.575GHz wireless signal that GPS signal transceiver module receives
The position of the unmanned plane, control strong illumination interference module focus An Intense Beam of Light and direct irradiation taking the photograph in the unmanned plane in the sky
As the mirror surface of head, an intense light source is formed within the scope of 1km, obscures the things other than intense light source.
In step S2, when determining has unmanned plane that will break in, signal generator is directed to current main-stream unmanned plane
Built-in no-fly zone function generates no-fly zone program transportation to master controller, and the master controller passes through GPS signal transceiver module
It issues, unmanned plane can decline or make a return voyage automatically after receiving the signal；
For not having the unmanned plane of no-fly zone function, compare when being transmitted to unmanned plane using the GPS signal of satellite launch
Faint property first generates one section of powerful interference signal and emits to space the track loop losing lock that can force unmanned plane,
Unmanned plane is forced into the recapture state to true GPS signal.And since the presence of the Doppler frequency shift of C/A code makes code
Phase Tracking result not in a constant value, therefore emit have with the Doppler frequency shift of true GPS signal C/A code it is centainly poor
The pseudo gps signal of value (1.5 chips or more) enters track loop, can be with the identified result of Real Time Effect phase discriminator, slowly
Inclined code tracking is drawn as a result, unmanned plane can be made to track upper pseudo gps signal, achievees the purpose that cheating interference GPS signal, to make nothing
Man-machine automatic decline is maked a return voyage.GPS interference signal is consistent with the parameter of true GPS signal at unmanned plane receiving end.
It should be noted that signal generator, which is generated, has one with the unmanned aerial vehicle (UAV) control communication signal received in step S2
The pseudo- 2.4GHz communication control signal for determining difference (2.5 chips or more) is transmitted to master controller, and master controller passes through
Pseudo- 2.4GHz communication control signal is emitted in space by 2.4GHz radio receiving transmitting module；Pseudo- 2.4GHz communication control signal conduct
Communication control interference signal enters track loop, the true unmanned aerial vehicle (UAV) control communication signal in code phase and track loop
Code phase alignment allows and receives by replicating a pseudo-code consistent with the unmanned aerial vehicle (UAV) control communication signal phase received
Unmanned aerial vehicle (UAV) control communication signal to duplication pseudo-code multiplication it is related, remove the unmanned aerial vehicle (UAV) control communication signal received；Slowly increase
Add the performance number of pseudo- 2.4GHz communication control signal until being greater than the power of the unmanned aerial vehicle (UAV) control communication signal received.
It is transferred to the control information of unmanned plane using above-mentioned circulation tracing type cheating interference remote control end, can not only avoid one
A little anti-deceptive interference measures simultaneously effective make unmanned plane track upper puppet 2.4GHz control signal, reach cheating interference
2.4GHz controls the purpose of signal, so that unmanned plane be made to decline or make a return voyage automatically.
Further, signal generator generates puppet 5.8GHz image transmitting signal and as image transmitting interference signal and transmits
To master controller, pseudo- 5.8GHz image transmitting signal is sent to space by 5.8GHz radio receiving transmitting module by master controller, institute
Stating pseudo- 5.8GHz image transmitting signal has certain difference (2.5 chips with the 5.725GHz-5.825GHz wireless signal received
Or more)；The puppet 5.8GHz image transmitting signal enters track loop, the code phase of pseudo- 5.8GHz image transmitting signal with
The code phase alignment of true 5.8GHz image transmitting signal in track loop, by duplication one with receive
5.725GHz-5.825GHz the consistent pseudo-code of wireless signal phase, then allows the 5.725GHz-5.825GHz received wireless
Signal is related to duplication pseudo-code multiplication, removes received 5.725GHz-5.825GHz wireless signal, so that the upper puppet of unmanned plane tracking
5.8GHz image transmitting signal.
By above-mentioned conflicting mode, the mobile device being connected with remote control end is received incomplete or even is not received true
5.8GHz image transmission data, received mobile device is pseudo- 5.8GHz image data, to cause unmanned plane and be remotely controlled end
Lost contact achievees the purpose that cheating interference 5.8GHz image transmitting signal, so that unmanned plane be made to decline or make a return voyage automatically.
In the present embodiment, the transmitting-receiving process of wireless signal specifically: after signal is captured by antenna, opened by receiving and dispatching conversion
It closes and determines whether signal will be amplified by the amplifier of 14dB；Data enter image-reject filter at this time, inhibit to filter by mirror image
Wave device determines to execute low-pass filtering or high-pass filtering to the data passed through；Filtered signal is mixed to by RFFC5072 chip
Signal feeding MAX2837 chip is mixed to base band, exports I/Q data, then data upload to master control by 2.6GHz fixed intermediate frequency
Device processed.
The effective range that antenna emits interference signal is 1000-2000 meters, can make 0-360 ° of rotation.The arrangement of antenna,
The distance between each antenna can be divided into dense urban 50-100 meters, common city 100-200 meters, suburb 200-500 meters etc..
For those skilled in the art, it can be provided various corresponding according to above technical solution and design
Change and modification, and all these change and modification, should be construed as being included within the scope of protection of the claims of the present invention.
Claims (9)
1. a kind of automatic identification and interference UAV system, which is characterized in that including master controller, 5.8GHz wireless receiving and dispatching mould
Block, 2.4GHz radio receiving transmitting module, GPS signal transceiver module, strong illumination interference module and signal generator；The 5.8GHz
Radio receiving transmitting module, 2.4GHz radio receiving transmitting module, GPS signal transceiver module, strong illumination interference module and signal generator
It is electrically connected at the master controller；
The 5.8GHz radio receiving transmitting module is for the 5.725GHz-5.825GHz wireless signal in automatic reception space and transmits
To master controller, and the image transmitting interference signal to spatial emission 5.725GHz-5.825GHz；
The 2.4GHz radio receiving transmitting module is for the 2.400GHz-2.483GHz wireless signal in automatic reception space and transmits
To master controller, and the communication control interference signal to spatial emission 2.400GHz-2.483GHz；
The GPS signal transceiver module is for the 1.176GHz-1.575GHz wireless signal in automatic reception space and is transmitted to
Master controller, and to spatial emission GPS interference signal；
Signal generator is used to generate GPS interference signal, communication control interference signal and image according to the instruction of master controller and pass
Defeated interference signal；
Strong illumination interference module is used for the instruction according to master controller, focuses An Intense Beam of Light and direct irradiation in the sky at nobody
The mirror surface of the camera of machine forms an intense light source within the scope of 1km, obscures the things other than intense light source；
The master controller is used for when receiving 2.400GHz-2.483GHz wireless signal, by the 2.400GHz-2.483GHz
The feature of wireless signal and the feature of preset unmanned aerial vehicle (UAV) control communication signal compare, and determine the 2.400GHz-
Whether 2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal；Determining that the 2.400GHz-2.483GHz wireless signal is
After unmanned aerial vehicle (UAV) control communication signal, control signal generator according to the 5.725GHz-5.825GHz wireless signal received,
2.400GHz-2.483GHz wireless signal and 1.176GHz-1.575GHz wireless signal generate image transmitting interference signal, control
Interference signal and GPS interference signal are communicated, then by 5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module, GPS letter
Number transceiver module respectively emits image transmitting interference signal, communication control interference signal and GPS interference signal into space, and
The position of the unmanned plane is determined according to the 1.176GHz-1.575GHz wireless signal received, controls strong illumination interference module
It focuses An Intense Beam of Light in the sky and direct irradiation is in the mirror surface of the camera of the unmanned plane, form a strong light within the scope of 1km
Source obscures the things other than intense light source.
2. automatic identification according to claim 1 and interference UAV system, which is characterized in that the 5.8GHz is wirelessly received
Hair module, 2.4GHz radio receiving transmitting module and GPS signal transceiver module include clock generation module, receive and dispatch to convert and open
Pass, filter, wideband synthesizer, RF transceiver, ADC/DAC, CPLD, microcontroller and antenna, the transmit-receive switch,
Filter, wideband synthesizer, RF transceiver, ADC/DAC, CPLD, microcontroller are sequentially connected, and the transmit-receive switch is also
It is connected to the microcontroller, the antenna is connected to the transmit-receive switch, and the clock generation module connects respectively
The wideband synthesizer, RF transceiver, ADC/DAC and CPLD, master controller is connected to connect with micro-controller communications；It is described
5.8GHz the working frequency of the antenna of radio receiving transmitting module is 5.725GHz-5.825GHz, the 2.4GHz radio receiving transmitting module
The working frequency of antenna be 2.400GHz-2.483GHz, the working frequency of the antenna of the GPS signal transceiver module is
1.176GHz-1.575GHz。
3. carrying out automatic identification and interference nothing using automatic identification described in any of the above-described claim and interference UAV system
Man-machine method, which comprises the steps of:
S1,5.8GHz radio receiving transmitting module, 2.4GHz radio receiving transmitting module and the round-the-clock automatically scanning of GPS signal transceiver module are empty
Between in electromagnetic signal；When master controller receive 2.4GHz radio receiving transmitting module transmission come 2.400GHz-2.483GHz without
When line signal, by the feature of the feature of the 2.400GHz-2.483GHz wireless signal and preset unmanned aerial vehicle (UAV) control communication signal
It is compared, judges whether the 2.400GHz-2.483GHz wireless signal is unmanned aerial vehicle (UAV) control communication signal；
S2 master controller confirm the 2.400GHz-2.483GHz wireless signal be unmanned aerial vehicle (UAV) control communication signal when, i.e., whether there is or not
Man-machine is when will break in, and drive signal generator generates GPS interference signal, communication control interference letter to master controller immediately
Number and image transmitting interference signal and be transmitted to master controller, master controller pass through respectively 5.8GHz radio receiving transmitting module,
2.4GHz radio receiving transmitting module, GPS signal transceiver module do image transmitting interference signal, communication control interference signal and GPS
It disturbs signal to emit into space, and is determined according to the 1.176GHz-1.575GHz wireless signal that GPS signal transceiver module receives
The position of the unmanned plane, control strong illumination interference module focus An Intense Beam of Light and direct irradiation taking the photograph in the unmanned plane in the sky
As the mirror surface of head, an intense light source is formed within the scope of 1km, obscures the things other than intense light source.
4. according to the method described in claim 3, it is characterized in that, having unmanned plane that will illegally rush when determining in step S2
Fashionable, signal generator generates no-fly zone program transportation to main control for the no-fly zone function built in current main-stream unmanned plane
Device, the master controller are issued by GPS signal transceiver module, and unmanned plane can decline or return automatically after receiving the signal
Boat；For not having the unmanned plane of no-fly zone function, signal generator first generates one section of powerful interference signal and is transmitted to master
Controller, master controller are emitted by GPS signal transceiver module to space, then signal generator regenerate one section with receive
1.176GHz-1.575GHz wireless signal C/A code Doppler frequency shift have the pseudo gps signal of difference as GPS interfere believe
Number and be transmitted to master controller, master controller is emitted by GPS signal transceiver module to space, and unmanned plane, which tracks upper puppet GPS, to be believed
Number, so that unmanned plane be made to decline or make a return voyage automatically；GPS interference signal at unmanned plane receiving end with the ginseng of true GPS signal
Number is consistent.
5. method according to claim 4, which is characterized in that GPS interference signal is with the 1.176GHz-1.575GHz's that receives
The difference of the Doppler frequency shift of wireless signal C/A code is 1.5 chips or more.
6. according to the method described in claim 3, it is characterized in that, in step S2, signal generator is generated and the nothing that receives
Human-machine Control communication signal has the pseudo- 2.4GHz communication control signal of difference to be transmitted to master controller, and master controller passes through 2.4GHz
Pseudo- 2.4GHz communication control signal is emitted in space by radio receiving transmitting module；Pseudo- 2.4GHz communication control signal is logical as control
News interference signal enters track loop, the code phase of the true unmanned aerial vehicle (UAV) control communication signal in code phase and track loop
Alignment allows nobody received by replicating a pseudo-code consistent with the unmanned aerial vehicle (UAV) control communication signal phase received
Machine communication control signal is related to duplication pseudo-code multiplication, removes the unmanned aerial vehicle (UAV) control communication signal received；It is slowly increased puppet
The performance number of 2.4GHz communication control signal is until be greater than the power of the unmanned aerial vehicle (UAV) control communication signal received.
7. according to the method described in claim 6, it is characterized in that, puppet 2.4GHz communication control signal and the unmanned plane received
The difference of communication control signal is 2.5 chips or more.
8. according to the method described in claim 3, it is characterized in that, signal generator generates puppet 5.8GHz image transmitting signal work
For image transmitting interference signal and it is transmitted to master controller, master controller is schemed pseudo- 5.8GHz by 5.8GHz radio receiving transmitting module
It is sent to space as transmitting signal, the puppet 5.8GHz image transmitting signal and the 5.725GHz-5.825GHz received are wireless
Signal has difference；The puppet 5.8GHz image transmitting signal enters track loop, the code phase of pseudo- 5.8GHz image transmitting signal
With the code phase alignment of the true 5.8GHz image transmitting signal in track loop, by duplication one with receive
5.725GHz-5.825GHz the consistent pseudo-code of wireless signal phase, then allows the 5.725GHz-5.825GHz received wireless
Signal is related to duplication pseudo-code multiplication, removes received 5.725GHz-5.825GHz wireless signal, so that the upper puppet of unmanned plane tracking
5.8GHz image transmitting signal.
9. according to the method described in claim 8, it is characterized in that, puppet 5.8GHz image transmitting signal with receive
The difference of 5.725GHz-5.825GHz wireless signal is 2.5 chips or more.
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Application publication date: 20190111 |