correct matching condition

• 正确匹配状态

correct matching condition的用法和样例：

例句

1. Therefore, the relation between the matching state and the level difference of the backscattered signal is also investigated.
   因此，在本论文的最后，我们设计实验并进行量测，并利用得到的结果分析匹配状态与反射信号振幅差距的关系。