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Unmanned aerial vehicle induction method and system based on position spoofing

A UAV, current location technology, applied in the field of satellite navigation, can solve the problems of UAV navigation deception, inability to achieve, etc.

Active Publication Date: 2020-09-04
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned analysis, the present invention aims to provide a method and system for guiding UAVs based on location deception to solve the problem that existing methods cannot achieve fast, efficient and concealed navigation deception of target UAVs

Method used

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  • Unmanned aerial vehicle induction method and system based on position spoofing
  • Unmanned aerial vehicle induction method and system based on position spoofing
  • Unmanned aerial vehicle induction method and system based on position spoofing

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Embodiment 1

[0072] A specific embodiment of the present invention discloses a UAV induction system based on location deception, the structural diagram is as follows figure 1 As shown, the system includes: a satellite navigation signal real-time receiving unit, a target tracking unit, a strategy generating unit, and an induced signal generating unit; wherein,

[0073] The satellite navigation signal real-time receiving unit is used to receive and analyze the real satellite navigation signals of all visible satellites, and obtain the ephemeris information of all visible satellites; for example, in this process, a high-performance satellite navigation receiver can be used to receive all satellite navigation signals in real time The real navigation signal of the satellite can be seen, and the capture, tracking, ephemeris reception, positioning calculation and navigation information storage / output of the real satellite navigation signal can be completed. Exemplarily, the real-time receiving un...

Embodiment 2

[0122] In Embodiment 2 of the present invention, a method for inducing drones based on location deception is also provided, the flow chart is as follows figure 2 As shown, the method includes the following steps:

[0123] Step S1: Receive and analyze the real satellite navigation signals of all visible satellites in real time, obtain the ephemeris information of all visible satellites; also obtain the current position of the target UAV in real time;

[0124] Step S2: Generate a pseudo-range delay based on the ephemeris information of all visible satellites, the current position of the target drone, and the expected position of the target drone at the next moment;

[0125] Step S3: selecting and separating real satellite navigation signals of visible satellites for delay;

[0126] Step S4: Use the pseudo-range delay to delay the separated real satellite navigation signal, and perform power enhancement on the delayed real navigation satellite signal to generate an induced sign...

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Abstract

The invention relates to an unmanned aerial vehicle induction method and system based on position spoofing, relates to the field of satellite navigation, and solves the problem that rapid, efficient and hidden unmanned aerial vehicle navigation spoofing cannot be realized in the prior art. The system comprises: an array antenna unit used for receiving real satellite navigation signals of all visible satellites; a signal receiving unit used for acquiring ephemeris information according to the received real satellite navigation signals of all visible satellites; a target tracking unit which collects the current position of the unmanned aerial vehicle in real time; a strategy generation unit which is used for outputting pseudo-range delay, real satellite navigation signals for time delay andtransmitting power based on the ephemeris information, the current position of the unmanned aerial vehicle and the expected position of the next moment; the induction signal generation unit is used for separating the delayed real satellite navigation signal from other real satellite navigation signals; and performing delay and power enhancement on the separated real satellite navigation signal according to the pseudo-range delay and the transmitting power in sequence to generate an induction signal, and transmitting the induction signal to the unmanned aerial vehicle.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to a method and system for inducing drones based on location deception. Background technique [0002] With the gradual opening of the country to low-altitude flight, a large number of easy-to-control remote-controlled helicopters, multi-rotor aircraft and other unmanned aerial vehicles are more and more widely used. Due to the small size, low price and simple operation of drones, if they are used by criminals, they will bring great challenges to social stability and security. At present, there have been many incidents of drones illegally entering sensitive airspace around the world. How to effectively counter drones has become a hot and difficult research issue at home and abroad. [0003] At present, the technical means of countering drones at home and abroad show a diversified development trend, which can be mainly divided into two categories: physical shooting down ...

Claims

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Application Information

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IPC IPC(8): G01S19/21
CPCG01S19/21
Inventor 史鹏亮薛瑞
Owner BEIHANG UNIV
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