差動 さどう位相 いそう偏移 へんい変調 へんちょうじゃなかったです
sadōisōhen'ihenchōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 差動位相偏移変調

1. Wasn't differential phase-shift keying.; Wasn't a differential phase-shift modulation.

Past/Perfective
Negative
Polite
Casual Register
Computing