instantaneous frequency

基本解釋

• [通信] 瞬時(shí)頻率

英漢例句

雙語例句

• The local energy and instantaneous frequency of the signal can be derived from the IMFs.
  信號(hào)的局部能量和瞬時(shí)頻率都可以從其本征模函數(shù)中推導(dǎo)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(shù)字計(jì)數(shù)測(cè)量瞬時(shí)頻率的原理，并進(jìn)行了測(cè)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(shí)頻率的物理概念，指出在紅外掃描系統(tǒng)中，用瞬時(shí)頻率來計(jì)算系統(tǒng)帶寬是值得討論的。

• instantaneous frequency更多例句

詞組短語

短語

• Instantaneous Median Frequency 瞬時(shí)中頻
• instantaneous fundamental frequency 瞬時(shí)基頻
• instantaneous pitch frequency 瞬間音高頻率
• instantaneous effect frequency stability 瞬時(shí)頻率穩(wěn)定度
• instantaneous mean frequency 瞬時(shí)平均頻率

• instantaneous frequency更多詞組

專業(yè)釋義

電子、通信與自動(dòng)控制技術(shù)

• 瞬時(shí)頻率

  Firstly the estimation of instantaneous frequency is discussed.
  首先是瞬時(shí)頻率的估計(jì)問題。

• 瞬間頻率

機(jī)械工程

• 瞬時(shí)頻率

  A new STFT_Viterbi algorithm fit(STFT_VF) method is proposed that can estimate such instantaneous frequency of vibration signal of rotating machinery.
  針對(duì)旋轉(zhuǎn)機(jī)械升降速階段振動(dòng)信號(hào)的特點(diǎn),提出一種新的旋轉(zhuǎn)機(jī)械升降速階段振動(dòng)信號(hào)瞬時(shí)頻率估計(jì)算法——STFT Viterbi擬合法(STFT_Viterbi algorithm fit,STFT_VF)。

  計(jì)算機(jī)科學(xué)技術(shù)

• 瞬時(shí)頻率