Also known as duobinary signal, alternate mark inversion, bipolar coding, bipolar code, duobinary, pseudoternary, alternate-mark inversion signal, alternate-mark inversion
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交替反转码（英語：Alternative Mark Inversion，简称AMI）是一种适用于的编码方式，取代高电平的有无这样的传输方式，而采用双极性，即高低电平来作为传输信息的方式。
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type of line code where two nonzero values are used
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).