port2透射率与S21

- March 1, 2023 at 1:57 pm
  
  LLL
  Subscriber
  
  交叉波导两端加了port端口，但port2的T与S21绝对值平方相差很多是为什么呢？透射率以哪个为准呢？
  
  port2
  S21绝对值平方
- March 1, 2023 at 5:28 pm
  
  Guilin Sun
  Ansys Employee
  
  T 是总的透射率，S21是指定的模式透射率，会不会是模式指定错误了？你可以多指定几个模式，看看每个模式的S21。也有可能模式的偏振发生了转换，需要进一步分析。
- March 2, 2023 at 10:33 am
  
  LLL
  Subscriber
  
  好的谢谢！

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