英语词汇“reference noise”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	reference noise
释义	reference noise reference noise [′ref·rəns ‚nȯiz] (electronics) The power level used as a basis of comparison when designating noise power expressed in decibels above reference noise (dBrn); the reference usually used is 10^-12 watt (-90 decibels above 1 milliwatt; dBm) at 1000 hertz.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。