详细画出了时域和频域的相关图，对于初学matlab的同学会有帮助，表示出两帧图像间各个像素点的相对情况，处理信号的时频分析，利用自然梯度算法，抑制载波型差分相位调制。- Correlation diagram shown in detail the time domain and frequency domain, Matlab for beginner students will help, Between two images showing the relative circumstances of each pixel, When processing a signal frequency analysis, Use of natural gradient algorithm, Suppressed carrier type differential phase modulation.