V2EX dispersive

Dispersive

释义 Definition

dispersive(形容词)具有“使……分散/散射/离散”作用的;(物理)色散的、弥散的。常用于光学、波动与材料科学中,指不同频率/波长的传播速度不同,从而导致波形或光谱“展开”。

例句 Examples

The prism has a dispersive effect on white light.
棱镜对白光有色散作用。

In a dispersive medium, a short pulse spreads out as it travels, which can distort signals over long distances.
在色散介质中,短脉冲在传播过程中会逐渐展宽,从而在长距离传输时造成信号失真。

发音 Pronunciation (IPA)

/dspsv/

词源 Etymology

来自拉丁语词根 dispergere(把……撒开、散布开),由 dis-(分开)+ spargere(散播)构成。英语中相关的 disperse 表“分散”,dispersive 则表示“具有分散/色散特性的”。

相关词 Related Words

文学与经典作品 Literary Works

  • Opticks(Isaac Newton):讨论棱镜与“色散/色散能力(dispersive power)”等概念。
  • Principles of Optics(Max Born & Emil Wolf):光在介质中的传播、色散关系与相关数学处理常使用 dispersive
  • The Feynman Lectures on Physics(Richard P. Feynman 等):在波、光与介质章节中会用到 dispersive 来描述介质性质。
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