でんぱこうどけい
電波高度計
1. radio altimeter
2. Radar altimeterA radar altimeter, radio altimeter, low range radio altimeter (LRRA) or simply RA measures altitude above the terrain presently beneath an aircraft or spacecraft. This type of altimeter provides the distance between the plane and the ground directly below it, as opposed to a barometric altimeter which provides the distance above a pre-determined datum, usually sea level.
Read “Radar altimeter” on English Wikipedia
Read “電波高度計” on Japanese Wikipedia
Read “Radar altimeter” on DBpedia
Read “Radar altimeter” on English Wikipedia
Read “電波高度計” on Japanese Wikipedia
Read “Radar altimeter” on DBpedia
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