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文中对跳频信号检测中的最大相关处理法进行了改进,给出了基于最大相关处理的跳频信号联合检测方法。该方法利用跳频周期这一先验信息对最大相关处理后的结果进行分析,进一步判定是否存在跳频信号。相对于最大相关处理法,该方法降低了信号检测的虚警概率,提高了检测的准确性。文中对该方法的实现方案进行了介绍,并且使用VHDL描述了方案中的各个模块,最后在QuartusII下进行了综合、仿真,证明了其有效性。
In this paper, the maximum correlation processing method in frequency hopping signal detection is improved, and the joint detection method of frequency hopping signal based on the maximum correlation processing is given. The method uses the prior information of the frequency hopping period to analyze the result of the maximum correlation processing to further determine whether there is a frequency hopping signal. Compared with the maximum correlation method, this method reduces the false alarm probability of signal detection and improves the detection accuracy. In this paper, the implementation of the method is introduced, and the use of VHDL to describe the various modules in the program, and finally carried out in the QuartusII synthesis, simulation, proved its effectiveness.