CN110058266A - The black winged unmanned plane fixed point induction fraud system of one kind and method - Google Patents
The black winged unmanned plane fixed point induction fraud system of one kind and method Download PDFInfo
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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
- 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
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Abstract
The present invention proposes a kind of black winged unmanned plane fixed point induction fraud system, which includes: assigned spot recovery remoting subsystem, for parsing time, location information and the ephemeris file of current fixed-point；Fixed point induction deception subsystem, according to the time of the fixed point, the location information, simulation in real time generates fixed point induction curve；2.4GHz/5.8GHz signal generates subsystem, for generating interference signal；Signal emits subsystem, for inducing curve and the interference signal to be sent to UAV targets the fixed point.The present invention, which can be realized, effectively induces unmanned plane in the market, and black winged unmanned plane fixed point is made to compel to drop to safety zone.
Description
Technical field
The present invention relates to field of satellite navigation and black winged unmanned plane to manage field, and in particular to a kind of black winged unmanned plane fixed point
Induce fraud system and method.
Background technique
In recent years, with the promotion of technology, unmanned plane is increasingly to miniaturization, cost effective trend development.Unmanned plane
Either have very big surge in military use or civil field, especially in civil field, unmanned plane in ring
The fields such as border monitoring, traffic inspection, agricultural plant protection, fire protection and rescue are widely used, and are improved Industrial Efficiency, are produced
Good economic results in society.But the generalization of unmanned plane is also to a series of social concern, it is in recent years, some black winged
Unmanned plane interferes the phenomenon that schedule flight to happen occasionally, and endangers the life security of the people, causes serious negative shadow to society
It rings.What is more, and some law-breakers carry out the behaviors such as the attack of terrorism, transport drugs using unmanned plane.So to unmanned plane
It manages urgently to be resolved.
Be mainly for the regulatory means of black winged unmanned plane currently on the market: high-power wireless electrical interference, is opened laser hits
Net formula captures.High-power wireless electrical interference is by being remotely controlled to black winged unmanned plane GPS signal, 2.4GHz figure communication number and 5.8GHz
Unmanned plane is driven in the interference of signal.But this means can only make unmanned plane make a return voyage or directly fall, unmanned plane it is direct
Fall place can not pre-control, or even cause secondary injury, be unable to reach our ideal effects.Laser weapon strike: this side
Formula is exactly the laser for emitting black winged unmanned plane high heat by laser weapon device, directly destroys unmanned plane in the sky, reaches
To control purpose.Although which can destroy black winged unmanned plane, laser weapon spends unmanned plane that is high, falling after burning not
Controllably, it is likely to result in secondary injury.Open the capture of net formula: this mode is exactly to emit bursting shell by catapult-launching gear, is exactly benefit
It is arranged net in the sky with this bullet, directly takes down unmanned plane.It captures and environment will not be damaged although opening net, this side
Formula catching range is extremely limited, and more bigger region is all not applicable.
In conclusion high-power wireless electrical interference mode is mostly used greatly to the control conflicting mode of black winged unmanned plane, because
This mode is easy to operate, at low cost, interference distance is remote, but this mode will lead to after black winged unmanned plane is interfered and will not stand
Drop, and its it is out of control after the not expected control of heading and place of falling, it is also possible to cause secondary injury.Therefore,
A kind of method for developing fixed point induction deception unmanned plane is imperative.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of black winged unmanned plane fixed point inductions
Fraud system and method, it is existing in the prior art difficult to black winged unmanned plane assigned spot recovery to solve, and fly to after interference
The uncontrollable problem of line direction.
In order to achieve the above objects and other related objects, the present invention provides a kind of black winged unmanned plane fixed point induction deception system
System, the system include:
Assigned spot recovery remoting subsystem, for parsing time, location information and the ephemeris file of current fixed-point；
Fixed point induction deception subsystem, according to the time of the fixed point, the location information, simulation generates fixed point and lures in real time
Lead curve；
2.4GHz/5.8GHz signal generates subsystem, for generating interference signal；
Signal emit subsystem, for by the fixed point induction curve and the interference signal be sent to target nobody
Machine.
Optionally, the assigned spot recovery remoting subsystem includes control module, memory module and GNSS receiver module；
The GNSS receiver module resolves time, the position of current fixed-point for receiving real satellite signal in the sky
Information and ephemeris file, and it is sent to the control module；
The control module for the received data of GNSS receiver module to be handled, while current fixed-point when
Between, location information and the storage of ephemeris file be to the memory module；The control module is by the time of current fixed-point, position simultaneously
Information and ephemeris file are issued.
Optionally, the fixed point induction deception subsystem includes DSP module, FPGA module and D/A module；
The DSP module is used to that fixed point to be calculated according to the time of the current fixed-point, location information and ephemeris file
The elevation angle, azimuth between the coordinate points of position and the visible satellite of each simulation obtain the visible of current fixed-point position simulation
Co-ordinates of satellite, and calculate the pseudorange of fixed position with the visible satellite simulated in real time.
The DSP module is also used to calculate separately the carrier wave initial phase of every visible satellite, code initial phase, carrier frequency
Rate control word, code frequency control word, and write navigation message；
The FPGA module is controlled according to the carrier wave initial phase, code initial phase, carrier frequency control word, code frequency
Word generates carrier wave and pseudo-code；The pseudo-code and the navigation message carry out mould two plus operation, and mould two adds the result of operation to be modulated
Onto carrier wave, fixed point induction deception digital medium-frequency signal is generated；
The intermediate-freuqncy signal is carried out digital-to-analogue conversion by the D/A module, generates analog if signal.
Optionally, it is 100MHz that the interference signal, which is a bandwidth, and centre frequency is respectively 2.4GHz's and 5.8GHz
Interference signal.
Optionally, the signal transmitting subsystem includes up-converter module, power amplifier module and transmitting antenna；
The up-converter module is converted for the frequency to analog if signal, is transformed into corresponding radiofrequency signal；
The power amplifier module, for fixed point induction curve, 2.4GHZ interference signal and 5.8GHz interference letter
Number power amplification is carried out, the whole interference signals for receiving UAV targets are greater than the power of satellite in the sky and control with ground
The signal power of system station communication；
The transmitting antenna, for the emission of radio frequency signals for corresponding to each frequency point to be gone out.
In order to achieve the above objects and other related objects, the present invention also provides a kind of black winged unmanned plane fixed point induction deception sides
Method, method includes the following steps:
Parse time, location information and the ephemeris file of current fixed-point；
According to the time of the fixed point, the location information and the ephemeris file, simulation in real time generates fixed point induction
Curve；
Generate interference signal；
Curve and the interference signal is induced to be sent to UAV targets the fixed point.
Optionally, the generation method of the fixed point induction curve specifically includes:
According to the time of the current fixed-point, location information and ephemeris file, be calculated the coordinate points of fixed position with
The elevation angle, azimuth between the visible satellite of each simulation obtain the visible satellite coordinate of current fixed-point position simulation, and calculate
The pseudorange of fixed position and the visible satellite simulated in real time out；
It calculates separately every visible satellite and carries out carrier wave initial phase, code initial phase, carrier frequency control word, code frequency
Control word, and write navigation message；
Carrier wave and pseudo-code are generated according to the carrier phase, code phase, carrier frequency control word, code frequency control word；Institute
It states pseudo-code and the navigation message carries out mould two plus operation, mould two adds the result of operation to be modulated on carrier wave, generates fixed point and lures
Lead deception digital medium-frequency signal；
The intermediate-freuqncy signal is subjected to digital-to-analogue conversion, generates analog if signal.
Optionally, it is 100MHz that the interference signal, which is a bandwidth, and centre frequency is respectively 2.4GHz's and 5.8GHz
Interference signal.
Optionally, the emission process of signal is；
The frequency of analog if signal is converted, corresponding radiofrequency signal is transformed into；
Power amplification is carried out to fixed point induction curve, 2.4GHZ interference signal and 5.8GHz interference signal, makes target
The signal power that whole interference signals that unmanned plane receives are greater than the power of satellite in the sky and communicate with ground control station；
The emission of radio frequency signals for corresponding to each frequency point is gone out.
As described above, the black winged unmanned plane fixed point induction fraud system of one kind of the invention and method, have below beneficial to effect
Fruit:
The present invention, which can be realized, effectively induces unmanned plane in the market, and black winged unmanned plane fixed point is made to compel to drop to safety zone
Domain.
Detailed description of the invention
In order to which the present invention is further explained, described content, with reference to the accompanying drawing makees a specific embodiment of the invention
Further details of explanation.It should be appreciated that these attached drawings are only used as typical case, and it is not to be taken as to the scope of the present invention
It limits.
Fig. 1 is black winged unmanned plane fixed point induction fraud system the general frame；
Fig. 2 is the DSP algorithm flow chart that black winged unmanned plane fixed point induction curve generates；
Fig. 3 is black winged unmanned plane assigned spot recovery remote manipulator system block diagram；
Fig. 4 is that black winged unmanned plane fixed point induction curve generates block diagram.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
This example provides a kind of black winged unmanned plane fixed point induction fraud system, including assigned spot recovery remoting subsystem, fixed point
Induction deception subsystem, 2.4GHz/5.8GHz signal generate subsystem and signal emits subsystem.
Fixed point induction deception subsystem, time, the position of the current fixed-point to come are fed back according to assigned spot recovery remoting subsystem
Confidence breath and current ephemeris file, in real time simulation generate fixed point induction curve；
2.4GHz/5.8GHz signal generates subsystem and is used to the remote control of unmanned plane and figure passing signal cut, makes unmanned plane
Effectively recycled in specified place.
Signal emit subsystem, will fixed point induction curve generate system generate curve be sent to target nobody
Machine, UAV targets' acquisition and tracking curve identical with true pseudorange；Then 2.4GHz/5.8GHz signal is sent to mesh
Mark unmanned plane, synergy come realize unmanned plane designated place recycle.
Specifically, the assigned spot recovery remoting subsystem mainly includes that a controllable module (is specifically as follows a list
Piece machine), display module, memory module and GNSS receiver module；
Wherein, GNSS receiver mould is for receiving real satellite signal in the sky, resolving time information and longitude, latitude, height
The information and ephemeris file of degree, and single-chip microcontroller is sent to by 0183 data format；The single-chip microcontroller passes through different control
Carry out transmitting order to lower levels；The display module is to show different instruction results by different instructions；The memory module is used for
The instruction that storage single-chip microcontroller issues；The single-chip microcontroller simultaneously will for handling the received data of GNSS receiver module
Temporal information and longitude, latitude, the information of height and the storage of ephemeris file to memory module, then by control remote controler by this
A little information send set point induction curve and generate system.
The fixed point induction curve generates subsystem, including DSP module, FPGA module and D/A module.
Such as Fig. 2, the position of the fixed point that the DSP module is used to be transmitted according to remote manipulator system, temporal information and and
The real time ephemeris file of storage, is calculated the elevation angle theta between the coordinate points of fixed position and each analog satellitei' (i=1,
2...N), azimuth εi' (i=1,2....., N), the visible analog satellite coordinate of current fixed-point position is obtained, is finally calculated
The pseudorange ρ of fixed position and the visible satellite simulated in real time(i), the label of i expression visible satellite.
(x(i),y(i),z(i)) indicate i-th satellite coordinate, (xu,yu,zu) indicate fixed position coordinate.
Start to carry out carrier wave initial phase, code initial phase, carrier frequency control word, code frequency to these satellites respectively later
The calculating of rate control word and writing for navigation message.Data after having been calculated are transmitted to FPGA by EMIF bus.
Such as Fig. 4, the FPGA module is for pinpointing induction deception digital signal synthesis work.The FPGA module includes carrying
Wave signal generation module, pseudo-code signal generation module, navigation message read module, time-sequence control module and data communication module six
Part forms.DSP calculates the carrier wave initial phase, code initial phase, carrier frequency control word of visible satellite in the initial stage
With code frequency control word, it is sent to the channel FPGA, after FPGA channel reception to relevant information, according to satellite number, selection is corresponding
Carrier signal generation module and pseudo-code signal generation module, then carry out frequency control word since the initial phase of calculating and add up.
The pseudo-code signal and navigation message mould two of generation add, and in re-modulation to carrier wave, ultimately produce fixed point induction deception digital intermediate frequency letter
Number, it will be generated by D/A module and pinpoint induction curve.
The D/A module is mainly used for the digital medium-frequency signal of generation being converted to analog if signal.
The 2.4GHz/5.8GHz signal generating system generates a bandwidth mainly as 100MHz centre frequency point
Nobody is not forced in order to completely interfere the figure of unmanned plane to pass and remote signal in the pure interference signal of 2.4GHz and 5.8GHz
Machine makes a return voyage to the designated place of trick.
The signal transmitting system, including up-converter module, power amplifier module and transmitting antenna.
The up-converter module is converted for the frequency to analog if signal, is transformed into corresponding radio frequency letter
Number.
The power amplifier module is mainly used for fixed point induction curve, the pure interference signal of 2.4GHZ and 5.8GHz
Pure interference signal carries out power amplification, the whole interference signals for receiving UAV targets be greater than satellite in the sky power and
The signal power communicated with ground control station.
The transmitting antenna, for the emission of radio frequency signals for corresponding to each frequency point to be gone out.
The present invention, which can be realized, effectively induces unmanned plane in the market, and black winged unmanned plane fixed point is made to compel to drop to safety zone
Domain.
In this example, since the technical solution of method is similar to the technical solution of device, the realization of methodological function is all
It can be realized by device technique scheme, details are not described herein again.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of black winged unmanned plane fixed point induction fraud system, which is characterized in that the system includes:
Assigned spot recovery remoting subsystem, for parsing time, location information and the ephemeris file of current fixed-point；
Fixed point induction deception subsystem, according to the time of the fixed point, the location information, simulation in real time generates fixed point induction and takes advantage of
Deceive signal；
2.4GHz/5.8GHz signal generates subsystem, for generating interference signal；
Signal emits subsystem, for inducing curve and the interference signal to be sent to UAV targets the fixed point.
2. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 1, which is characterized in that described to pinpoint back
Receiving remoting subsystem includes control module, memory module and GNSS receiver module；
The GNSS receiver module resolves time, the location information of current fixed-point for receiving real satellite signal in the sky
And ephemeris file, and it is sent to the control module；
The control module is for handling the received data of GNSS receiver module, while the time of current fixed-point, position
Confidence breath and ephemeris file are stored to the memory module；The control module is by the time of current fixed-point, location information simultaneously
It is issued with ephemeris file.
3. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 1, which is characterized in that the fixed point lures
Leading deception subsystem includes DSP module, FPGA module and D/A module；
The DSP module is used to that fixed position to be calculated according to the time of the current fixed-point, location information and ephemeris file
Coordinate points and each simulation visible satellite between elevation angle thetai' (i=1,2...N), azimuth εi' (i=1,2.....,
N), the visible satellite coordinate of current fixed-point position simulation is obtained, and calculates fixed position and the visible satellite simulated in real time
Pseudorange.
The DSP module is also used to calculate separately the carrier wave initial phase, code initial phase, carrier frequency control of every visible satellite
Word processed, code frequency control word, and write navigation message；
The FPGA module is raw according to the carrier wave initial phase, code initial phase, carrier frequency control word, code frequency control word
At carrier wave and pseudo-code；The pseudo-code and the navigation message carry out mould two plus operation, and mould two adds the result of operation to be modulated onto load
On wave, fixed point induction deception digital medium-frequency signal is generated；
The intermediate-freuqncy signal is carried out digital-to-analogue conversion by the D/A module, generates analog if signal.
4. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 1, which is characterized in that the interference letter
Number for a bandwidth be 100MHz, centre frequency is respectively in the interference signal of 2.4GHz and 5.8GHz.
5. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 1, which is characterized in that the signal hair
Penetrating subsystem includes up-converter module, power amplifier module and transmitting antenna；
The up-converter module is converted for the frequency to analog if signal, is transformed into corresponding radiofrequency signal；
The power amplifier module, for fixed point induction curve, 2.4GHZ interference signal and 5.8GHz interference signal into
Row power amplification, the whole interference signals for receiving UAV targets are greater than the power and and ground control station of satellite in the sky
The signal power of communication；
The transmitting antenna, for the emission of radio frequency signals for corresponding to each frequency point to be gone out.
6. a kind of black winged unmanned plane fixed point induction deception measures, which is characterized in that method includes the following steps:
Parse time, location information and the ephemeris file of current fixed-point；
According to the time of the fixed point, the location information and the ephemeris file, simulation in real time generates fixed point induction deception
Signal；
Generate interference signal；
Curve and the interference signal is induced to be sent to UAV targets the fixed point.
7. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 6, which is characterized in that the fixed point lures
The generation method for leading curve specifically includes:
According to the time of the current fixed-point, location information and ephemeris file, be calculated the coordinate points of fixed position with it is each
The elevation angle, azimuth between the visible satellite of simulation obtain the visible satellite coordinate of current fixed-point position simulation, and calculate and determine
The pseudorange of point position and the visible satellite simulated in real time；
It calculates separately every visible satellite and carries out carrier wave initial phase, code initial phase, carrier frequency control word, code frequency control
Word, and write navigation message；
Carrier wave and pseudo-code are generated according to the carrier phase, code phase, carrier frequency control word, code frequency control word；The puppet
Code carries out mould two plus operation with the navigation message, and mould two adds the result of operation to be modulated on carrier wave, generates fixed point induction and takes advantage of
Deceive digital medium-frequency signal；
The intermediate-freuqncy signal is subjected to digital-to-analogue conversion, generates analog if signal.
8. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 6, which is characterized in that the interference letter
Number for a bandwidth be 100MHz, centre frequency is respectively in the interference signal of 2.4GHz and 5.8GHz.
9. the black winged unmanned plane fixed point induction fraud system of one kind according to claim 6, which is characterized in that the transmitting of signal
Process is；
The frequency of analog if signal is converted, corresponding radiofrequency signal is transformed into；
Power amplification is carried out to fixed point induction curve, 2.4GHZ interference signal and 5.8GHz interference signal, make target nobody
The signal power that whole interference signals that machine receives are greater than the power of satellite in the sky and communicate with ground control station；
The emission of radio frequency signals for corresponding to each frequency point is gone out.
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| CN110673626A (en) * | 2019-08-27 | 2020-01-10 | 安徽四创电子股份有限公司 | Unmanned aerial vehicle GPS deception trapping method |
| CN111736180A (en) * | 2020-06-24 | 2020-10-02 | 北京航空航天大学 | Quasi-generation type unmanned aerial vehicle induction method and system |
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| CN113238265A (en) * | 2021-05-10 | 2021-08-10 | 杭州星辰大海科技有限公司 | Unmanned aerial vehicle capturing system and method |
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