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US09383202B2 Barometric pressure sensor based orientation measurement 有权
基于大气压力传感器的定向测量

Barometric pressure sensor based orientation measurement
Abstract:
Disclosed here are methods and systems that relate to determining an orientation of an object. The orientation of the object may be represented by an Euler angle which identifies a rotation of the object from a reference frame. The methods and systems may rely on readings collected from two or more barometric pressure sensors to estimate an altitude difference between the pressure sensors. The methods and systems may calculate the Euler angle based on the altitude difference.
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