なん判定 はんてい識別 しきべつ ではありませんでした
nanhanteishikibetsukidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 軟判定識別器

1. Was not a soft-decision decoder.; Was not a soft-decision discriminator.

Past/Perfective
Negative
Polite
Formal Register