離り散さんフーリエ変へん換かん

noun

discrete Fourier transform; DFT

Mathematical transform used to analyze discrete-time signals in the frequency domain.

• 離り散さんフーリエ変へん換かんはデジタル信しん号ごう処しょ理りの基き本ほんです。

  The discrete Fourier transform is fundamental to digital signal processing.