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High-precision synchronous generation type unmanned aerial vehicle navigation decoy system and synchronous time service method

A high-precision synchronization, unmanned aerial vehicle technology, applied in the field of electronic information, can solve the problems of large size, low success rate of deception, low system integration, etc., and achieve the effects of short initialization time, good synchronization effect and small system volume

Inactive Publication Date: 2021-03-02
NORTHWESTERN POLYTECHNICAL UNIV
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a high-precision synchronous generating UAV navigation decoy system and a synchronous timing method, which can effectively solve the problems of poor signal quality, long cut-in time, and decoy success rate in the existing decoy navigation system. Low and system integration is not high, bulky and other issues

Method used

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  • High-precision synchronous generation type unmanned aerial vehicle navigation decoy system and synchronous time service method
  • High-precision synchronous generation type unmanned aerial vehicle navigation decoy system and synchronous time service method
  • High-precision synchronous generation type unmanned aerial vehicle navigation decoy system and synchronous time service method

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Embodiment 1

[0032] as attached figure 1 As shown, this embodiment introduces a high-precision synchronous generating UAV navigation decoy system, including a GNSS receiving module, a decoy signal generating module, and a radio frequency module.

[0033] According to the foregoing technical scheme, the GNSS receiving module is used to receive and analyze real satellite signals, and transmit its analysis results to the decoy signal generation module.

[0034] The decoy signal generation module is the core module of the UAV navigation decoy system, which adopts the integrated design of the clock synchronization sub-module and the high-precision simulation sub-module of the signal source, and is used to generate high-precision synchronization that is indistinguishable from the real navigation signal Digital intermediate frequency navigation decoy signal.

[0035] The radio frequency module is used for digital-to-analog conversion of high-precision synchronous digital intermediate frequency n...

Embodiment 2

[0060] The only difference between this embodiment and Embodiment 1 is that the drone is replaced by an unmanned vehicle or an unmanned ship.

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Abstract

The invention provides a high-precision synchronous generation type unmanned aerial vehicle navigation decoy system and a synchronous time service method. A navigation decoy signal generation module adopts an integrated design of a clock synchronous taming device and a signal source high-precision simulation device, firstly, a time system synchronous with a real satellite is generated, then through parameter calculation, a high-precision synchronous pseudo-satellite navigation decoy signal is generated, and the generated navigation decoy signal is sent to the unmanned aerial vehicle through aradio frequency antenna. The system and the system have the advantages of being good in synchronization effect, small in system size and easy to carry; and multi-mode satellite decoy signal generationis completed, real navigation signals of the unmanned aerial vehicle can be rapidly stripped, a navigation tracking loop is controlled, interference, expelling, forced landing, trapping and other operations on the unmanned aerial vehicle are rapidly achieved, and the system and the method have the advantages of being short in initialization time, high in unmanned aerial vehicle cut-in speed, highin concealment, free of damage to the human body and the social order and the like.

Description

technical field [0001] The invention relates to the technical field of electronic information, in particular to a high-precision synchronous generating UAV navigation decoy system. Background technique [0002] Technically speaking, UAV control methods can be divided into three categories: kinetic energy elimination, strong suppression interference and navigation deception induction. Kinetic energy elimination such as lasers, high-energy microwave strikes or stinger bombs not only makes it difficult to accurately lock black flying drones, but also causes explosion fragments, which are easy to cause secondary damage to ground protection targets and crowds. Suppressive interference often uses high-power radios to destroy the data link of the black flying UAV, causing the UAV to hover, return automatically, lose control or crash. However, this method cannot effectively control the flight trajectory and crash site of the out-of-control drone, and it is easy to cause secondary t...

Claims

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Application Information

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IPC IPC(8): G01S19/01G01S19/21
CPCG01S19/015G01S19/21
Inventor 干红平舒君
Owner NORTHWESTERN POLYTECHNICAL UNIV
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