ぎゃく高速 こうそくフーリエ変換 へんかんなら
gyakukōsokufūriehenkannara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 逆高速フーリエ変換

1. if inverse fast Fourier transform; when inverse fast Fourier transform

Nara Conditional
Mathematics