表示出两帧图像间各个像素点的相对情况，基于多相结构的信道化接收机，实现用SDRAM运行nios，同时用SRAM保存摄像头数据。- Between two images showing the relative circumstances of each pixel, Channelized receiver based on multi-phase structure, Implemented with SDRAM run nios, while saving camera data SRAM.