V2EX detumbling

Detumbling

释义 Definition(中文)

detumbling:指消除(航天器/卫星)在入轨或释放后产生的无序自旋与翻滚,使其角速度降到可控范围内的过程;常通过磁力矩器(magnetorquer)反作用轮(reaction wheels)推进器(thrusters)实现。该词多用于航天工程语境。

发音 Pronunciation(IPA)

/ditmbl/

例句 Examples

The CubeSat began detumbling a few minutes after deployment.
这颗立方星在释放后几分钟就开始进行去翻滚(消旋)控制。

After initial detumbling reduced the angular rate, the attitude control system switched to fine pointing for the camera payload.
初始去翻滚将角速度降下来后,姿态控制系统切换到精指向模式,以满足相机载荷的指向需求。

词源 Etymology(中文)

由前缀 **de-**(表示“去除、逆转”)+ tumble(“翻滚、滚动”)构成;在航天领域中引申为“去除翻滚/自旋状态”,形成动名词 detumbling 表示该过程或阶段。

相关词 Related Words

文学与著作 Literary Works(出现语境)

  • *Space Mission Analysis and Design (SMAD)*(教材/工具书中常见“detumbling”相关章节:入轨后初始姿态获取与消旋)
  • Spacecraft Attitude Determination and Control(姿态确定与控制经典教材,涉及去翻滚/消旋策略)
  • NASA 技术文档与任务报告(如立方星与小卫星任务的 “detumbling mode / detumbling phase” 描述)
  • 学术期刊论文(如 Journal of Guidance, Control, and Dynamics 中关于磁控去翻滚算法的论文)
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