基于SVPWM的三电平逆变的matlab仿真，利用matlab针对图像进行马氏距离计算 ,实现用SDRAM运行nios，同时用SRAM保存摄像头数据。- Based on SVPWM three-level inverter matlab simulation, Using matlab to calculate the Mahalanobis distance for the image, Implemented with SDRAM run nios, while saving camera data SRAM.