instantaneous frequency

• 瞬时频率

instantaneous frequency的用法和样例：

例句

1. The excursion of instantaneous frequency representation will be resulted when EFT is applied to signals with rapidly varying frequency contents.
   对于具有恒定幅度的调频信号而言，瞬时频率代表了其全部的信息，可以据此对信号进行识别和分类。