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Method of using a sensor unit for determining the air pressure sensor and a height change , enhance the detectability of height change
Method of using a sensor unit for determining the air pressure sensor and a height change , enhance the detectability of height change
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机译:使用传感器单元确定气压传感器和高度变化的方法,提高高度变化的可检测性
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摘要
A sensor unit (2) comprising a pressure sensor (9) is worn by a person. A fall of the person causes a height change as well an orientation change of the pressure sensor. To enlarge the detectability of the fall the air pressure is positioned such that in a pre-fall condition the contribution of an error to the sensor's measurement is maximal. This error is caused by gravity acting on the membrane of the sensor.
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