also: ぎゃくフーリェへんかん
noun
inverse Fourier transform
Mathematical operation that recovers a function from its Fourier transform. Used in signal processing, physics, and engineering.
逆フーリエ変換を用いて、周波数領域のデータを時間領域に戻す。
Using the inverse Fourier transform, frequency-domain data is converted back to the time domain.
The forward Fourier transform; 逆フーリエ変換 is its inverse operation.
Compound of 逆 (inverse), フーリエ (Fourier, from the French mathematician Joseph Fourier), and 変換 (transform).