用智能手机传感器测量重力加速度的新方法

doi:10.16854 /j.cnki.1000-0712.180232

College Physics ›› 2019, Vol. 38 ›› Issue (1): 37-.doi: 10.16854 /j.cnki.1000-0712.180232

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An alternative approach to test the acceleration of gravity by using sensors in smartphone

RAO Di，CHENG Min-xi

School of Physics and Telecommunication Engineering，South China Normal University，Guangzhou，Guangdong 510006，China

Received:2018-04-17 Revised:2018-06-19 Online:2019-01-20 Published:2019-03-01

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Abstract: One experiment is designed by using the sensors in smartphone including pressure sensor，temperature

sensor. The acceleration of gravity is obtained through linear fitting by measuring the relationship between relative

altitude and air pressure. This new method needs not additional equipment and the experimental procedure is

easy to do.

Key words: smartphone, pressure sensor, temperature sensor, acceleration of gravity

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RAO Di, CHENG Min-xi. An alternative approach to test the acceleration of gravity by using sensors in smartphone[J].College Physics, 2019, 38(1): 37-.

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