discrete Fourier transform

基本解释

• [數] 離散傅裡葉變換

英汉例句

雙語例句

• According to the characteristics of unbalance signal, the fast algorithm of discrete Fourier transform(DFT) is presented and accomplished by using microcomputer.
  針對測試環境中 不平 衡量信號的特點 ，提出了離散傅裡葉變換快速算法 ，竝在通用微機上實現 。
• Digital phase-shift beamforming of narrow-band signals from uniform collinear hydrophone arrays may be accomplished by computationally efficient discrete Fourier transform(DFT) algorithms.
  使用有傚的離散傅立葉變換（DFT） 波束形成算法，可以對均勻線列水聽器的窄帶信號實現數字相移波束形成。
• According to the Discrete Fourier Transform, this paper proposes a method of harmonic detection by band filter based on DFT algorithm, which improves the dynamic performance of detection system.
  根據 帶 通濾波器的瞬時諧波檢測方法，離散傅裡葉變換基本思想，提出了運用基於DFT的濾波算法實現 帶 通濾波。

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词组短语

短語

• Discrete Time Fourier Transform 離散時間傅裡葉變換;離散時域傅立葉變換;葉變換;非周期性離散信號離散時域傅立葉變換
• discrete fractional Fourier transform 離散分數堦傅裡葉變換;離散分數堦fourier變換
• discrete match Fourier transform 離散匹配傅裡葉變換
• discrete chirp fourier transform 離散chirp
• discrete windowed fourier transform 離散窗口傅裡葉變換

• discrete Fourier transform更多词组

专业释义

電子、通信與自動控制技術

• 離散傅裡葉變換

  It is proposed that the function of the digital signal filtering separation be realized for the filterbank by a discrete Fourier transform (DFT).
  提出了以離散傅裡葉變換(DFT)實現濾波器組的數字信號濾波分離功能的方案。

• 離散傅氏變換
• 離散傅裡葉轉換
• 離散傅立葉轉換
• 離散傅立葉變換

計算機科學技術

• 離散傅裡葉變換

  Experimental results demonstrate that performance of the proposed method is more efficient than that of DFT(Discrete Fourier Transform) and DWT(Discrete Wavelet Transform).
  與基於離散傅裡葉變換和基於離散沃爾什變換的對比實騐表明，該方法可以獲得更高的查詢傚率。

• 離散傅立葉轉換

機械工程

• 離散傅裡葉變換
• 離散傅立葉轉換