硬质合金磁饱和测量的高精度数据处理方法

doi:10.3969/j.issn.1000-1158.2016.03.17

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摘要设计并验证了硬质合金磁饱和测量的一种高精度的数据处理方法,包括数字滤波、数字积分、数据拟合、系统调零和补偿等。滤波采用基于窗函数设计的有限长脉冲响应数字滤波器,积分采用复化Newton-Cotes积分算法,数据拟合采用改进的最小二乘法,系统校准采用首次调零和负值补偿方法。与传统硬质合金磁饱和测量的数据处理方法相比,该方法具有处理结果精度高、数据重复性好等特点。

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	邬幸源
	苏娟
	王腾芳

关键词 ：计量学, 磁饱和, 数字滤波, 数字积分, 数据拟合

Abstract：A high precision of data processing method of magnetic saturation measurements on cemented carbides was designed and verified, including digital filtering, digital integration, data fitting, zero setting and system compensation, etc. The finite impulse response digital filter is used for filtering which is based on window function. The digital integration algorithm is based on Newton-Cotes integration, data fitting is based on the improved least square method, and system calibration used zero setting for the first time and compensate for negative value. Compared to the traditional data processing method of magnetic saturation measurements on cemented carbides, this method has some advantages, such as results with high precision and good repeatability.

Key words： metrology magnetic saturation digital filtering digital integration data fitting

收稿日期: 2014-07-11 发布日期: 2016-03-22

PACS:

TB972

通讯作者: 邬幸源 E-mail: wuxingyuan66@126.com

作者简介: 邬幸源（1989-）,男,湖南衡阳人,湖南大学硕士研究生,研究方向为嵌入式系统及应用。wuxingyuan66@126.com

引用本文:

邬幸源,苏娟,王腾芳. 硬质合金磁饱和测量的高精度数据处理方法[J]. 计量学报, 2016, 37(3): 306-309.
WU Xing-yuan,SU Juan,WANG Teng-fang. A precision data processing method of magnetic saturation measurements on cemented carbides. Acta Metrologica Sinica, 2016, 37(3): 306-309.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2016.03.17 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2016/V37/I3/306