位相 いそう偏移 へんい変調 へんちょうではありません
isō hen'ihenchōdewa arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 位相偏移変調

1. Is not phase-shift keying.; It is not phase-shift keying.

Negative
Polite
Formal Register
Computing