中文说明：
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。
English Description：
The program also gives two kinds of different pulse compression coefficients, which are used to analyze the application of pulse compression results in Nonlinear FM signal processing