V2EX nanovolt

Nanovolt

释义 Definition

nanovolt(nV)纳伏,电压单位,等于 10 伏特(十亿分之一伏)。常用于描述极其微弱的电压信号(如低噪声测量、传感器输出、热电势、精密仪器读数等)。

发音 Pronunciation (IPA)

/nnovolt/

例句 Examples

A nanovolt is a billionth of a volt.
纳伏是十亿分之一伏特。

Because the sensor output is only a few nanovolts, the experiment requires ultra-low-noise shielding and amplification.
由于传感器输出只有几个纳伏,实验需要超低噪声的屏蔽与放大。

词源 Etymology

nano- 来自希腊语 nanos(“矮小、极微”),在国际单位制中表示 10volt 源自意大利科学家 Alessandro Volta(伏打) 的姓氏,用于纪念其在电学领域的贡献。两者组合成 nanovolt,意为“10 伏特的电压”。

相关词 Related Words

文学/作品中的用例 Literary Works

该词属于高度技术性单位,较少出现在小说、诗歌等传统文学作品中;更常见于精密测量与低噪声电子学的教材、手册与论文中,并且常以符号 nV 出现,例如:

  • The Art of Electronics(Horowitz & Hill,电子学经典教材)
  • Low-Noise Electronic System Design(低噪声系统设计相关著作)
  • 各类仪器厂商的应用笔记(如低噪声放大器、纳伏级测量主题的技术文档)
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