| 基于Matllab的约束最小二乘法拟合磁滞回线 |
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| 引用本文： | 鲁晓东.基于Matllab的约束最小二乘法拟合磁滞回线[J].大学物理实验,2017,30(2). |
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| 作者姓名： | 鲁晓东 |
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| 作者单位： | 浙江海洋大学东海科学技术学院,浙江 舟山,316000 |
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| 基金项目： | 浙江省2015年度高等教育课堂教学改革项目 |
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| 摘 要： | 由实验测得的磁滞回线数据的是一系列离散、带噪声的值。通过约束最小二乘方法对曲线进行分段拟合,使曲线的畸变程度得到了改善,准确地表达磁滞回线的特性,为磁材料的定量分析述提供了基础。
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| 关 键 词： | 磁滞回线 约束最小二乘法 拟合 |
Fittiing the Curve of Magnectic Hysteresis Loop by Constrained Least Square Method Based on Matlab |
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| LU Xiao-dong.Fittiing the Curve of Magnectic Hysteresis Loop by Constrained Least Square Method Based on Matlab[J].Physical Experiment of College,2017,30(2). |
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| Authors: | LU Xiao-dong |
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| Abstract: | The magnetic hysteresis loop data is discrete and some unstable.The distortion of its curve are corrected by using constrained least square method.The method show perfectly the character of hysteresis loop,and provide a base for quantitative analysis on magnetic material. |
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| Keywords: | magnetic hysteresis loop constrained least square fitting |
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