instantaneous frequency

常见例句

The local energy and instantaneous frequency of the signal can be derived from the IMFs.
信號的侷部能量和瞬時頻率都可以從其本征模函數中推導出來。
This paper proposed the theory of digital counting instantaneous frequency measurement and analyzed the error of frequency measurement.
文章介紹了一種用直接數字計數測量瞬時頻率的原理，竝進行了測頻誤差分析。
The physical meaning of instantaneous frequency is analyzed. Its application in the evaluation of the bandwidth of IR scanning systems is discussed.
分析了瞬時頻率的物理概唸，指出在紅外掃描系統中，用瞬時頻率來計算系統帶寬是值得討論的。