一个延拓程序，针对时域变频域后图像移动的处理，有零延拓，对称延拓，周期延拓。-An extension program, for the time domain frequency domain after the processing of moving images, zero extension, symmetric extension, periodic extension.

视频信号VGA+鼠标+键盘控制信号网络传输源码：VGA-RGB信号编码变成差分信号，经过网线在解码变成RGB信号 增益延时交错程序中可以调节 在传输RGB信号同时传输控制鼠标和键盘信号-Video signal VGA+ mouse+ keyboard control signal network transmission source: VGA-RGB signal is encoded into a differential signal, and can adjust the RGB si