通过对信号进行基于瞬时自相关的瞬时频率提取的方法对中频信号进行分析、识别，然后可以在FP - GA内部构造一个多通道匹配滤波器对信号进行匹配。
The article analyses the signal through the method of gaining instant frequency on the base of instant correlation, then we can make up a multicenter matching filter in the FPGA.
方法：根据数字频率合成理论，基于FPGA实现了多频信号源的核心部分。
Method Based on the digital frequency synthesis theory and FPGA, the main part of a multi-frequency signal source is accomplished.
小波变换是信号的时间-频率分析方法，它具有多辨分析的特点，它能有效地检测和识别跳频信号，在跳频通信中有极其重要的作用。
To analyze and detect the feature of frequency hopping signal exactly is a crucial prerequisite to carrying out disturbance to follow the track of signal.
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