非线性调频信号的产生和脉冲压缩代码，程序中还给出两种不同的脉压系数，用于分析非线性调频信号处理时，脉压结果的应用。(The generation of nonlinear frequency modulation signals and the code of pulse compression are given. In the program, two different pulse pressure coefficients are given. It is used to analyze