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. 2018 Jun 18;18(6):1965. doi: 10.3390/s18061965

Table 2.

Description of adopted smartphone sensors.

Sensors	Purpose	Data Stream	Description	Manufacturer	Measuring Range	Measuring Accuracy
Gravity sensor	Pose pattern classification	$G_{x}$	Gravity force along x axis	Qualcomm	39.226593 m/s²	0.00119 m/s²
		$G_{y}$	Gravity force along y axis
		$G_{z}$	Gravity force along z axis
Accelerometer	Motion mode classification	$A = \sqrt{A_{x}^{2} + A_{y}^{2} + A_{z}^{2}}$	$A_{}$ is the specific force along axis
Barometer	Motion mode classification	$P$	Air pressure measurement	BOSCH	1100 hPa	0.00999 hPa