粒子图像分割及匹配均为自行编制的子例程，本科毕设要求参见标准测试模型，分析了该信号的时域、频域、倒谱，循环谱等。- Particle image segmentation and matching subroutines themselves are prepared, Undergraduate complete set requirements refer to the standard test models, Analysis of the signal time domain, fre