V2EX pulse area

Pulse Area

释义 Definition

脉冲面积:在信号处理、电子学或光学中,指把一个脉冲的幅度对时间积分得到的量(可理解为“脉冲强度在时间上的累计”)。常用于衡量脉冲的“总作用量/总能量相关量”(具体物理意义取决于场景与单位)。

发音 Pronunciation (IPA)

/pls eri/

例句 Examples

The pulse area increased when we lengthened the pulse.
当我们延长脉冲时长时,脉冲面积增大了。

In the experiment, keeping the pulse area constant helped us compare different pulse shapes fairly.
在实验中,保持脉冲面积不变有助于我们公平地比较不同的脉冲形状。

词源 Etymology

pulse 来自拉丁语 pulsus(“推动、搏动”),与“跳动/脉动”相关;area 来自拉丁语 area(“空地、区域”)。合在一起表示“与脉冲相关的面积”,在技术语境中通常特指“曲线下面积(积分)”。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • Self-Induced Transparency(McCall & Hahn,1969,经典论文):提出并讨论与 pulse area 密切相关的“脉冲面积定理(pulse area theorem)”。
  • Nonlinear Optics(Robert W. Boyd):在非线性光学与超快过程相关章节中讨论脉冲参数(包括脉冲面积等概念)。
  • The Scientist and Engineer’s Guide to Digital Signal Processing(Steven W. Smith):在信号分析与脉冲测量相关内容中涉及“脉冲面积/积分”这类概念。
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