信号 しんごう雑音 ざつおん じゃなかったです
shingō za tsu onhijanakattadesu

Noun
Desu Copula

The polite, past negative form of 信号雑音比

1. Signal-to-noise ratio wasn't.; It wasn't a good signal-to-noise ratio.

Past/Perfective
Negative
Polite
Casual Register
Computing