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Because the cycle frequency of amplitude modulation signal is two times the cyclic frequency of carrier frequency, the traditional method has time delay problem, which leads to poor control ability, and puts forward the cyclostationary characteristic control technology of radar receiving signal. According to the principle of radar signal reception, a mathematical model of nonlinear programming is constructed, that is to obtain the total time delay. The constraint conditions are set up according to the total time delay to ensure that each phase and saturation have independent properties, and the frequency adjustment is convenient. The genetic algorithm is used to ensure that the amplitude signal cycle frequency is consistent with the frequency of the carrier frequency, and the delay problem is improved. The experimental results show that the maximum control strength of the method can reach 99%, and it can effectively control the cyclostationary characteristics of the signal.