直交 ちょっこう周波 しゅうは すう多重 たじゅう変調 へんちょうだったら
chokkōshūhasūtajūhenchōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 直交周波数多重変調

1. If it were orthogonal frequency-division multiplexing.

Tara Conditional
Computing