与理论分析结果相比，分析了该信号的时域、频域、倒谱，循环谱等,通过反复训练模板能有较高的识别率，数学方法是部分子空间法，外文资料里面的源代码。- Compared with the results of theoretical analysis, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Through re