信号 しんごう雑音 ざつおん じゃありませんでした
shingō za tsu onhijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 信号雑音比

1. Was not signal-to-noise ratio.; Was not the signal-to-noise ratio.

Past/Perfective
Negative
Polite
Terminal Form
Computing