Semi-physical verification system based on anti-interference of unmanned aerial vehicle data link, and semi-physical verification method of anti-interference of unmanned aerial vehicle data link

Abstract

The invention relates to a semi-physical verification system based on anti-interference of an unmanned aerial vehicle data link, and a semi-physical verification method of anti-interference of unmanned aerial vehicle data link. The system comprises n signal vector generators, a high speed collector, a down converter, a radio frequency front end multichannel microwave switch, m antennas and a microwave darkroom. The invention provides a semi-physical verification method of a custom ARB waveform mode to verify the anti-interference method of complex signals, which not only solves the problem that an instrument can not send the complex signals, but also can achieve accurate verification. In the verification, a curve of the semi-physical verification method and the curve of digital simulationare compared under different interference conditions, under different interference conditions, the curve of the semi-physical verification method and the curve of digital simulation have high consistency, which proves the correctness of the digital simulation and the validity of the semi-physical verification method. B adoption of the method, a certain theoretical support and a new idea are provided for the verification field of an unmanned aerial vehicle data link system on the basis of low cost, various interference conditions of the unmanned aerial vehicle data link can be simulated more quickly and effectively, and the anti-interference performance of the unmanned aerial vehicle data link is simulated and verified more sufficiently.

Description

technical field [0001] The invention relates to a semi-physical platform verification method for unmanned aerial vehicle data link anti-jamming, which performs semi-physical verification of an anti-jamming algorithm combined with multi-ary system spread spectrum and multi-carrier modulation through microwave instruments and the like. At this stage, due to the limitations of the instrumentation itself, it is impossible to generate such a complex signal. In order to verify the correctness of the algorithm, the ARB mode is used to generate a custom ARB waveform file. This is a realization of using microwave instruments, cables, and darkrooms. A semi-physical verification system for complex signals with versatility. The results show that the results of the method are consistent with the numerical simulation, which proves the feasibility of the hardware-in-the-loop verification platform. technical background [0002] At present, for the UAV data link system, the full physical ve...

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Problems solved by technology

[0005] In order to solve the problem that a single instrument cannot generate complex signals, this invention proposes a semi-physical verification method with custom waveforms applied to the UAV data link, which solves the problem of saving verification costs and realizing verification when complex signals are generated. The problem of accurate hardware-in-the-loop verification

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