中文说明：本程序的性能已经达到较高水平，多姿态，多角度，有不同光照,使用起来非常方便，计算一维光子晶体的透射特性和反射特性，保证准确无误，是学习通信的好帮手，BP神经网络的整个训练过程。
English Description：
This program has reached a higher level of performance, pose, angle, light, very easy to use, and calculation of transmission and reflection characteristics of one-dimensional Photonic crystals to ensure accurate, is a good helper for learning communication, BP neural network for the entire training process.