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模拟静电场的多媒体软件制作 被引量:7

Making of Multimedia Software of Electrostatic Field with Simulation
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摘要 在实验上描绘静电场通常使用模拟的方法,对于柱极场,其等势面是一个个同心圆柱面,电势与圆半径之间存在着U~lnr线性关系,在坐标纸上人工作出U~lnr曲线增大了实验的误差。通过最小二乘法对实验点进行直线拟合,并使用多媒体著作工具MultimediaToolBook制作多媒体软件〔1~3〕,保持了实验的精确度。对误差较大的U=100伏实验点进行一次修正后,直线拟合的结果与理论值相符。 It is often used to simulate a field in experiment to describe electrostatic field.In the electrostatic field whose plates were cylindrical plates,the equipotential surfaces were a series of circumferences whose centers were in a point. There was a linear relation between U~lnr. Here U was electric potential and r was radium.It would raise errors when drewing a curve of U~lnr by mental work.The paper used a method of minimum twice multiply to draw a straight line of U~lnr that kept the accuracy of experiment, and made a multimedia software by Multimedia ToolBook〔1~3〕.After correcting the value at U=100 volt,the outcome of calculating by the method of minimum twice multiply corresponded accurately to the value of theory.
作者 江兴方
出处 《江苏石油化工学院学报》 1998年第2期54-57,共4页 Journal of Jiangsu Institute of Petrochemical Technology
关键词 模拟法 最小二乘法 多媒体 软件开发 静电场 Simulation The method of minimum twice multiply Multimedia
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