ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块，经典的灰度共生矩阵纹理计算方法，计算一维光子晶体的透射特性和反射特性。- ofdm system simulation including 16qam modulation fft windowing modules plus cp, Classic GLCM texture calculation method, Calculated transmission characteristics and reflection char