该程序采用Hamming窗函数进行设计非线性调频信号，原理是利用压信号匹配滤波输出的频谱具有Hamming窗的形状，然后用利用逗留相位定理来近似求解信号的相位信息。-The program uses Hamming window function design nonlinear FM signal, the principle is the use of the shape of the output voltage signal spectrum matched filter having