V2EX ground bounce

Ground Bounce

Definition / 释义

ground bounce:字面义为“地面反弹”。常指波(尤其是地震波、声波或无线电/雷达信号)在地表或近地层发生反射/回波的现象;在电子工程语境中也可指地线/地参考电位因瞬态电流而产生的“地电位抖动/反弹”(较专业用法)。

Pronunciation / 发音(IPA)

/rand bans/

Examples / 例句

The sensor picked up a ground bounce a few seconds after the main shock.
传感器在主震后几秒检测到了一个地面反射回波。

In radar systems, ground bounce can create misleading echoes that look like extra targets.
在雷达系统中,地面反射可能产生误导性的回波,看起来像是多出来的目标。

Etymology / 词源

ground(地面)+ bounce(弹回、反弹) 组成的复合短语,直观描述“信号/波在地面上反射后又返回”的路径与效果。该说法在工程与地球物理语境中较常见;在电路设计里也借用“bounce”来形容地参考电位的短暂“跳动”。

Related Words / 相关词

Notable Works / 文献与作品中的使用

  • Exploration Seismology(Sheriff & Geldart):勘探地震学中常讨论地表反射与回波类现象(与 ground bounce 同类术语体系)。
  • An Introduction to Seismology, Earthquakes, and Earth Structure(Stein & Wysession):入门地震学教材中涉及地震波传播与反射/回波概念。
  • Antenna Theory: Analysis and Design(Balanis):天线与传播章节常涉及近地传播、反射与多径效应(与 ground bounce 的工程语境相关)。
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