用来实现画出矩形波导，在matlab平台，方便，快捷，简单(To draw a rectangular waveguide, in the MATLAB platform, convenient, fast and simple.)

实现微环滤波器的关键程序，包括微环，光栅，波导等模拟(This program is mainly use matlab to simulate the working process of the core components of the bandpass filter, including the microring resonator and bragg reflector, waveguide, etc)

大气波导下，电磁波射频追踪研究，利用Matlab进行仿真(Radio Frequency Tracking of Electromagnetic Waves in Atmospheric Waveguide)