V2EX wave propagation

Wave Propagation

定义 Definition

wave propagation波的传播;指波(如声波、光波、电磁波、水波、地震波等)在空间中随时间向外传递能量与信息的过程,常讨论其速度、方向、衰减、反射、折射、散射与色散等现象。(在不同学科中也可特指“电磁波传播/声波传播”等更具体语境。)

发音 Pronunciation (IPA)

/wev prpen/

例句 Examples

Wave propagation in water is easy to observe on a calm lake.
在平静的湖面上很容易观察到水波的传播。

Accurate models of wave propagation help engineers predict signal loss and reflection in complex urban environments.
精确的波传播模型能帮助工程师在复杂的城市环境中预测信号衰减与反射。

词源 Etymology

wave 源自古英语 wg / wg,与“运动的水、起伏”相关;propagation 来自拉丁语 propagare(“使扩展、繁殖、传播”),由 *pro-*(向前)+ *pag-*(固定、插枝/繁殖的词根延伸义)构成。组合起来,wave propagation 字面即“波的向前扩展/传播”。

相关词 Related Words

文学与经典著作 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》):多处讨论波动与波的传播、干涉与衍射等。
  • Introduction to Electrodynamics(David J. Griffiths《电动力学导论》):电磁波章节常用“wave propagation”表述电磁波在介质与真空中的传播。
  • Principles of Optics(Born & Wolf《光学原理》):系统使用“wave propagation”讨论光在各类介质、系统中的传播与成像理论。
  • Optics(Eugene Hecht《光学》):基础光学中频繁出现“wave propagation”以讲解波前、衍射与传播近似。
  • Classical Mechanics(Herbert Goldstein 等《经典力学》部分版本/相关章节与扩展阅读):在小振动与连续介质相关内容中会涉及波传播表述与模型。
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