V2EX ber

BER

Definition / 释义

BER(Bit Error Rate)指比特误码率:在数字通信或数据传输中,接收端收到的比特中发生错误的比例,用来衡量传输质量与可靠性。(在工程语境中非常常见;也可写作 bit-error rate。)

Pronunciation / 发音

/bi i r/

Examples / 例句

The BER is low, so the link is stable.
BER 很低,所以链路很稳定。

After adding error-correction coding, the system maintained an acceptable BER even under heavy noise.
加入纠错编码后,即使在强噪声环境下,系统仍能保持可接受的误码率(BER)。

Etymology / 词源

来自缩写:Bit(比特)+ Error(错误)+ Rate(比率)。该术语随着数字通信与信息论的发展而普及,常用于评估调制方式、信道条件与纠错方案的效果。

Related Words / 相关词

Literary Works / 文学作品

BER 更常出现在工程与学术著作中(而非传统文学作品),例如:

  • John G. Proakis, Digital Communications
  • Simon Haykin, Communication Systems
  • Andrea Goldsmith, Wireless Communications
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