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单词 Inertial Reference Unit
释义

Inertial Reference Unit

英语百科

Inertial reference unit

The inertial reference unit from a peacekeeper inter-continental ballistic missile (ICBM)

An inertial reference unit (IRU) is a type of inertial sensor which uses gyroscopes (electromechanical, ring laser gyro or MEMS) and accelerometers (electromechanical or MEMS) to determine a moving aircraft’s or spacecraft’s change in rotational attitude (angular orientation relative to some reference frame) and translational position (typically latitude, longitude and altitude) over a period of time. Another name often used interchangeably with IRU is Inertial Measurement Unit.

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更新时间:2025/6/23 0:53:21