晶体光滤波器的设计。用matlab完成，根据给定的频率响应，设计出一个晶体偏振干涉光滤波器的结构参数，即晶体波片和偏振片的通光方向与参考方向x的夹角，并绘制出频谱图。-crystal optical filter design. Using Matlab completed, according to the frequency response. design a crystal polarization optical interference filter parameters, that