中文说明：
分析了该信号的时域、频域、倒谱，循环谱等,包括广义互相关函数GCC时延估计，这个有中文注释，看得明白。
English Description：
The time domain, frequency domain, cepstrum and cyclic spectrum of the signal are analyzed, including the generalized cross-correlation function GCC time delay estimation. This is annotated in Chinese and can be seen clearly