逆ぎゃくフーリエ変へん換かん

also: ぎゃくフーリェへんかん

Meanings

1

inverse Fourier transform

Mathematical operation that recovers a function from its Fourier transform. Used in signal processing, physics, and engineering.

逆ぎゃくフーリエ変へん換かんを用もちいて、周しゅう波は数すう領りょう域いきのデータを時じ間かん領りょう域いきに戻もどす。
Using the inverse Fourier transform, frequency-domain data is converted back to the time domain.