Radar-communication combined system optimum waveform design method based on radio frequency invisibility
A joint system and radio frequency stealth technology, applied in the field of optimal waveform design of radar-communication joint system based on radio frequency stealth, can solve the problems such as the optimization design method of radio frequency stealth waveform of radar-communication joint system, etc., to improve the performance of radio frequency stealth , the effect of ensuring the required communication rate
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[0032] This specific embodiment discloses a radar-communication joint system optimal waveform design method based on radio frequency stealth. The radar-communication joint system is as follows: figure 1 As shown, this method is as figure 2 shown, including the following steps:
[0033] S1: Obtain prior information of the target relative to the radar-communication joint system;
[0034] S2: Estimating the performance mutual information threshold φ according to the given target parameters MI and communication rate threshold C min , establish a mathematical model for the optimal design of the waveform A[n] on the nth subcarrier, and obtain the modulus square expression of the optimal transmit waveform on the nth subcarrier of the radar-communication joint system according to the model.
[0035] The prior information in step S1 includes frequency response, propagation loss of each path, and noise power.
[0036] The mathematical model in step S2 obtains according to formula (...
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