V2EX ring laser gyroscope

Ring Laser Gyroscope

释义 Definition

环形激光陀螺仪:一种利用环形腔内两束相反方向传播的激光在旋转时产生的频率差(Sagnac 效应)来测量角速度/角位移的高精度惯性传感器,常用于飞机、航天器、舰船与惯性导航系统中。(也常简称 RLG。)

发音 Pronunciation (IPA)

/r lezr darskop/

例句 Examples

The aircraft uses a ring laser gyroscope to measure its rotation.
这架飞机使用环形激光陀螺仪来测量自身的旋转。

By combining ring laser gyroscope data with accelerometer readings, the navigation system can estimate position even when GPS signals are unreliable.
通过把环形激光陀螺仪的数据与加速度计读数结合起来,导航系统即使在 GPS 信号不可靠时也能估算位置。

词源 Etymology

这是一个由三部分组成的复合术语:ring(环形、闭合回路)+ laser(“受激辐射的光放大”,20世纪的缩略构词)+ gyroscope(陀螺仪,来自希腊语 gyros “旋转” + skopein “观察”)。整体意思直观:用“环形激光”实现“陀螺测旋”的装置。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Strapdown Inertial Navigation Technology(Titterton & Weston)
  • Inertial Navigation Systems with Geodetic Applications(C. Jekeli)
  • Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems(Paul D. Groves)
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