中文说明： 表示出两帧图像间各个像素点的相对情况，分析了该信号的时域、频域、倒谱，循环谱等,光纤无线通信系统中传输性能的研究，旋转机械二维全息谱计算的实用例程，基于SVPWM的三电平逆变的matlab仿真，人脸识别中的光照处理方法。
English Description：
To express the relative situations between two adjacent frames of each pixel, analyzes the the signal in time domain and frequency domain, cepstrum, cyclic spectrum, the optical wireless communication system transmission performance in study, rotating machinery two-dimensional holographic spectrum calculation of utility routines, based on three-level inverter SVPWM matlab simulation, and face recognition in the light shining processing method.