V2EX peak voltage

Peak Voltage

定义 Definition

peak voltage(峰值电压):在交流或脉冲电压波形中,电压达到的最大瞬时值(相对于零电位或参考电位)。常用于描述正弦波、脉冲、音频信号、电源纹波等。日常也常与 peak-to-peak voltage(峰峰值电压)RMS voltage(有效值电压)对比使用。

发音 Pronunciation

/pik voltd/(美式)
/pik vltd/(英式)

例句 Examples

The peak voltage of this sine wave is 10 volts.
这个正弦波的峰值电压是10伏。

When the circuit resonates, the peak voltage across the capacitor can exceed the supply voltage.
当电路发生谐振时,电容两端的峰值电压可能会超过电源电压。

词源 Etymology

peak 源自表示“尖端、顶点”的含义,引申为“最高点”;voltage 来自 “volt(伏特)”,以科学家伏打(Volta)的名字命名,用来表示电势差。合起来 peak voltage 字面即“电压的最高点(峰值)”。

相关词 Related Words

文学与经典作品 Literary Works

  • The Art of Electronics(Horowitz & Hill)在波形测量、信号幅度与电源设计讨论中常出现“peak voltage”等术语。
  • Introduction to Electrodynamics(David J. Griffiths)在交流量、场与电势差相关的物理语境中会涉及峰值与有效值的对比表述。
  • The Feynman Lectures on Physics(Richard P. Feynman 等)讲解电学与交流现象时常以“峰值/最大值”的电压概念辅助说明。
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