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A quasi-generative UAV induction method and system

A UAV, generative technology, applied in the field of satellite navigation, can solve the problems of UAV navigation deception, inability to achieve, etc., and achieve the effect of good decoy effect and fast deception speed.

Active Publication Date: 2022-07-12
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above analysis, the present invention aims to provide a quasi-generated UAV induction method and system to solve the problem that existing methods cannot achieve fast, efficient and concealed target UAV navigation deception

Method used

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  • A quasi-generative UAV induction method and system
  • A quasi-generative UAV induction method and system
  • A quasi-generative UAV induction method and system

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Embodiment 1

[0058] A specific embodiment of the present invention discloses a quasi-generative unmanned aerial vehicle inducing system. The schematic structural diagram is as follows: figure 1 As shown, the system includes: a signal receiving unit, a target tracking unit, a strategy generating unit, and an inducing signal generating unit; wherein,

[0059] The signal receiving unit is used to receive and analyze the real satellite navigation signals of all visible satellites, and obtain the ephemeris information and timing information of all visible satellites; The real navigation signals of satellites can be seen, and the acquisition, tracking, ephemeris reception, positioning calculation, navigation information storage / output, and timing information acquisition of real satellite navigation signals are completed. Exemplarily, the signal receiving unit can choose BDS / GPS / GLONASS / Galieo high-performance multi-mode combined receiver, which needs to have the function of outputting raw observ...

Embodiment 2

[0096] In Embodiment 2 of the present invention, a quasi-generative UAV induction method is also provided, and the flowchart is as follows figure 2 As shown, the method includes the following steps:

[0097] Step S1: receiving and analyzing real satellite navigation signals of all visible satellites in real time, obtaining ephemeris information and timing information of all visible satellites; also obtaining the current position of the target UAV in real time;

[0098] Step S2: generating 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;

[0099] Step S3: selecting the real satellite navigation signals of the visible satellites to be delayed, and generating radio frequency signals based on the selected real satellite navigation signals of the visible satellites that are delayed;

[0100] Step S4: delay the radio frequency signal by using...

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Abstract

The invention relates to a quasi-generating unmanned aerial vehicle inducing method and system, belongs to the technical field of satellite navigation, and solves the problem that the prior art cannot achieve fast, efficient and concealed target unmanned aerial vehicle navigation and deception. The system includes: a signal receiving unit for receiving and analyzing real satellite navigation signals of all visible satellites to obtain their ephemeris information; a target tracking unit for collecting the current position of the target UAV in real time; a strategy generating unit for Ephemeris information, the current position of the target UAV and the expected position at the next moment, the output pseudo-range delay, the real satellite navigation signal of the selected visible satellite for delay, and the transmission power for power enhancement; induction signal The generating unit is used for generating a radio frequency signal based on the real satellite navigation signal of the selected visible satellite for delay; and sequentially delaying and enhancing the power of the radio frequency signal to generate an inducement signal, and transmit the inducement signal to the target UAV.

Description

technical field [0001] The invention relates to the technical field of satellite navigation, in particular to a method and system for inducing a quasi-generating unmanned aerial vehicle. Background technique [0002] In recent years, UAV technology has developed rapidly and is widely used in many fields such as emergency rescue, military operations, remote sensing mapping, agricultural plant protection, etc. It has great application value in national defense construction and economic development. However, due to the small size and simple control of drones, they are easily exploited by criminals. There have been many incidents of drones illegally entering sensitive airspace around the world. Therefore, effective countermeasures must be taken. [0003] The UAV induction system sends false satellite navigation and positioning signals to the target UAV to induce it to deviate from the preset motion trajectory and gradually reach the designated area. It is an effective means of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S19/21
CPCG01S19/21Y02D30/70
Inventor 史鹏亮薛瑞
Owner BEIHANG UNIV
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