ぎゃく高速 こうそくフーリエ変換 へんかんでしょう
gyakukōsokufūriehenkandeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 逆高速フーリエ変換

1. Inverse fast Fourier transform, likely.; Probably an inverse fast Fourier transform.

Polite
Presumptive
Conjecture
Mathematics