V2EX nanovoltmeter

Nanovoltmeter

释义 Definition

纳伏特计/纳伏电压表:一种用于测量极低电压(通常在纳伏 nV 量级)的高灵敏度电压测量仪器,常用于低噪声电子、材料电学测试与精密实验测量。(也常写作 nanovolt meter

发音 Pronunciation (IPA)

/nnovoltmitr/

例句 Examples

The researcher used a nanovoltmeter to measure the tiny voltage across the sample.
研究人员使用纳伏特计测量样品两端的微小电压。

To reduce measurement error, the nanovoltmeter was connected with shielded cables and the setup was carefully grounded to minimize noise.
为减少测量误差,纳伏特计使用屏蔽电缆连接,并对系统进行仔细接地以尽量降低噪声。

词源 Etymology

由 **nano-**(“纳”,表示十亿分之一,10)+ volt(伏特,电压单位)+ -meter(测量仪器)构成,字面意思就是“测量纳伏级电压的仪表”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Low Level Measurements Handbook(Keithley Instruments)低电平电压/电流测量指南中常讨论纳伏级测量与纳伏特计应用。
  • The Art of Electronics(Horowitz & Hill)电子电路经典教材,涉及低噪声测量与精密仪器的相关内容。
  • Noise Reduction Techniques in Electronic Systems(Henry W. Ott)噪声与接地/屏蔽的经典著作,常用于理解纳伏级测量所需的噪声控制方法。
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