实现用SDRAM运行nios，同时用SRAM保存摄像头数据，已经调试成功.内含m文件，可直接运行，使用拉亚普诺夫指数的公式。- Implemented with SDRAM run nios, while saving camera data SRAM, Has been successful debugging. M contains files can be directly run, Raya Punuo Fu index using the formula.