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Impulse measurement and analysis using a smartphone accelerometer

机译:使用智能手机加速度计的脉冲测量和分析

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In this research, we will learn about the concept, measurement and analysis of an impulse using a smartphone accelerometer. The impulse measurements were performed in several experimental conditions such as free-fall objects hitting a sand surface, two cars in collision and straight punching (boxing jab). During the experimental process, the acceleration of objects (such as children’s toys and smartphones) is measured using a smartphone accelerometer application. Then, the acceleration versus time data were analysed to determine the impulse characteristic, such as the time interval and area of the impulse, and it was compared with the motion analysis using video (image) analysis. We hope this alternative apparatus is a valuable, low-cost and straightforward experiment for physics laboratories or sports science analysis.
机译:在这项研究中,我们将学习使用智能手机加速度计的冲动概念,测量和分析。 在若干实验条件下进行脉冲测量,例如击中沙面的自由落体物体,两辆碰撞和直打孔(拳击袋)。 在实验过程中,使用智能手机加速度计应用程序测量物体(如儿童玩具和智能手机)的加速度。 然后,分析加速与时间数据以确定脉冲特性,例如脉冲的时间间隔和面积,并将其与使用视频(图像)分析的运动分析进行比较。 我们希望这种替代设备是物理实验室或体育科学分析的有价值,低成本和直接的实验。

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