【摘要】 基于智能手机Phyphox的光传感器，在单摆测量重力加速度实验的基础上，利用智能手机Phyphox软件上绘制出“曝光值-时间”曲线从而准确求出单摆周期，并且优化实验装置进而测量出相对准确的重力加速度。该实验方法与传统实验相比具有明显的优势，不仅实验装置简单，操作简便，而且能显著提高测量精度，还可以发挥出智能手机的数据处理优势。既可以用于物理实验中学生对重力加速度的测量，也可以作为居家实验进行推广，同时为今后创新实验研究提供新的思路。更多还原

【Abstract】 In this paper, based on the optical sensor of smart phone phyphox, based on the experiment of measuring gravity acceleration with a single pendulum, the "exposure value time" curve is drawn on the software of smart phone phyphox, so as to accurately calculate the period of the single pendulum, optimize the experimental device, and then measure the relatively accurate gravity acceleration. Compared with traditional experiments, this experimental method has obvious advantages. It not only has simple experimental device and simple operation, but also can significantly improve the measurement accuracy. It can also give full play to the data processing advantages of smart phones.更多还原