V2EX inertial navigation system

Inertial Navigation System

释义 Definition

惯性导航系统:一种不依赖外部信号(如无线电、卫星)的导航方式,主要通过加速度计陀螺仪测量载体的加速度与角速度,并通过积分计算得到位置、速度与姿态。常用于飞机、导弹、舰船、潜航器与航天器等。

发音 Pronunciation (IPA)

/nrl nven sstm/

例句 Examples

The submarine uses an inertial navigation system to travel underwater.
潜艇使用惯性导航系统在水下航行。

Because GPS signals can be jammed, the aircraft’s inertial navigation system provides a reliable backup for maintaining position and attitude during flight.
由于 GPS 信号可能被干扰,飞机的惯性导航系统可作为可靠备份,在飞行过程中维持位置与姿态信息。

词源 Etymology

“Inertial” 来自 inertia(惯性),词根可追溯到拉丁语 iners(意为“无活动的/不易被推动的”),在物理语境中指“物体保持原运动状态的倾向”。“Navigation” 源自拉丁语 navigare(航行),与 nais(船)相关;“system” 源自希腊语 systēma(组合、整体)。合起来,“inertial navigation system” 字面含义是“基于惯性原理的导航系统”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems(Paul D. Groves)系统讲解 GNSS/INS 及多传感器融合导航,频繁使用该术语。
  • Strapdown Inertial Navigation Technology(Titterton & Weston)惯性导航经典教材,讨论惯性导航系统的结构与误差机理。
  • Inertial Navigation Systems with Geodetic Applications(Christopher Jekeli)从测地与工程应用角度讲解惯性导航系统与相关算法。
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