应用MATLAB进行仿真模拟，设计的夜间车牌识别程序，能够实现黑暗空间内的汽车车牌的识别、读数。(The application of MATLAB to simulate and design the license plate recognition program at night can realize the recognition and reading of car license plate in the dark space.)

用超材料实现平面反射器设计。用PML边界的FDTD程序仿真验证。