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Diagram showing the face of the "three-pointer" sensitive aircraft altimeter displaying an altitude of 10,180 ft (3,100 m). Reference pressure of about 29.92 inHg (1013 hPa) is showing in the Kollsman window. An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level.
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Mar 20, 2022 · There are two main ways to measure altitude accurately. One is to measure the air pressure and figure altitude out from that. The other is to bounce a radio beam down from your plane and time how long it takes to reflect back up again. Photo: Flying an airplane for a cargo drop is a tricky operation.
altimeter翻译：（用于飞行器的）测高仪，高度表。了解更多。
Altimeter, instrument that measures the altitude of the land surface or any object such as an airplane. The two main types are the pressure altimeter, or aneroid barometer, which approximates altitude above sea level by measuring atmospheric pressure, and the radio altimeter, which measures.
Nov 14, 2023 · Altimeters, the instruments that provide these measurements, are calibrated using various pressure configurations to ensure accuracy and safety during flight. These pressure settings, known as QNH, QFE, and QNE, play a pivotal role in defining how altimeters interpret and present altitude data.
Oct 19, 2023 · An altimeter is a device that measures altitude, the distance of a point above sea level. Skydivers and mountaineers also use altimeters to pinpoint their location in the sky or on the ground. The most common types of altimeters are barometric .
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Altimete rs measure altitude above a reference point, which makes it an essential navigational tool for aircraft, its most common application. Other applications include skydiving, hiking, climbing, and search and rescue. Altimeters rely on barometric pressure, radar, LiDAR, and GPS to complete altitude measurements.
May 7, 2024 · Altimeters measure height above particular pressure levels. To do this, they compare the pressure of outside static air to the standard pressure of 29.92" Hg of air at sea level. Air is denser at sea level than aloft, so pressure decreases as altitude increases (and vice versa).
播报. 编辑. 气压高度计 是在航空 物探测量 时，安置在飞机中，利用气压与高度的关系，通过观测气压 测量飞机 飞行海拔高度（又称 绝对高度 ）的仪器。. 大家都知道水中的 压强 仅由水深决定，P=ρgh。. 大气压与此类似，是由地表空气的重力所产生的。. 随着 ...
The main types of conventional altimeter which have been used in aircraft are: Three-pointer altimeter; Drum-pointer altimeter; Counter-pointer altimeter; and, Counter drum-pointer altimeter. The three-pointer altimeter and the counter drum-pointer altimeter are illustrated below.
