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用曲线拟合方法测量空气阻尼常量
Curve fitting method to measure the damping constant of air
【摘要】 以物体在气垫导轨上做一维阻尼运动为例,用曲线拟合方法推导出空气的阻尼常量的计算公式,利用与计算机相连的数码照像机采集数据,画出拟合曲线,从而得出了空气的阻尼常量.
【Abstract】 Taking the example of the one dimensional damping motion of an object on air track,using curve fitting method and digital camera connected to a computer to collect data,fitting curve can be displayed,and the damping constant of air can be obtained.
【关键词】 一维阻尼运动;
曲线拟合方法;
阻尼常量;
【Key words】 one dimensional damping motion; curve fitting method; damping constant;
【Key words】 one dimensional damping motion; curve fitting method; damping constant;
- 【文献出处】 物理实验 ,Physics Experimentation , 编辑部邮箱 ,2007年04期
- 【分类号】O313.1
- 【被引频次】5
- 【下载频次】237