一种基于多文档得图像合并技术，分析了该信号的时域、频域、倒谱，循环谱等,包括脚本文件和函数文件形式。- Based on multi-document image obtained combining technique, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Including scr ipt files and function files in the form.