中文说明：基于模式匹配法的Ka波段波导滤波器的代码，计算电磁学方面。模式匹配法用来分析波导膜片处的反射和透射，从而计算S参数、
English Description：
Based on the mode matching method of Ka band waveguide filter code, computational electromagnetics. The mode matching method is used to analyze the reflection and transmission at the waveguide diaphragm, so as to calculate the S parameters