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对象 > 设备 > 测量仪器 > 高度计 > 雷达高度计

PREFERRED TERM

Created: 2020-08-31T13:05:15

雷达高度计  

DEFINITION

  • A radar altimeter (RA), radio altimeter (RALT), electronic altimeter, or reflection altimeter measures altitude above the terrain presently beneath an aircraft or spacecraft by timing how long it takes a beam of radio waves to travel to ground, reflect, and return to the craft.

    Source: https://en.wikipedia.org/wiki/Radar_altimeter

    Created: 8/31/20

    (en)

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URI

http://aims.fao.org/aos/agrovoc/c_27657add

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RDF/XML TURTLE JSON-LD Created 9/4/19, last modified 10/9/23