仿真图是速度、距离、幅度三维图像，实现用SDRAM运行nios，同时用SRAM保存摄像头数据，保证准确无误，是学习通信的好帮手。- FIG simulation speed, distance, amplitude three-dimensional image, Implemented with SDRAM run nios, while saving camera data SRAM, Ensure accurate communication is learning a good help