中文说明：
LFM信号及回波的生成，时域及频谱分析，模糊度函数分析，时频分析，匹配滤波器能量检测、循环相关检测、及fmusic参数估计
English Description：
LFM signal and echo generation, time domain and spectrum analysis, ambiguity function analysis, time-frequency analysis, matched filter energy detection, cyclic correlation detection, and fmusic parameter estimation