计测技术
計測技術
계측기술
METROLOGY & MEASUREMENT TECHNOLOGY
2014年
4期
74-76
,共3页
压力%传感器%线性拟合%不确定度
壓力%傳感器%線性擬閤%不確定度
압력%전감기%선성의합%불학정도
pressure%sensor%linearity fitting%uncertainty
压力传感器输入输出关系通常以线性拟合直线来表示，而实际输入输出关系并不是直线关系，本文用最小二乘法拟合压力传感器输入输出非线性方程，并给出不确定度分析，可以提高测量的准确度。
壓力傳感器輸入輸齣關繫通常以線性擬閤直線來錶示，而實際輸入輸齣關繫併不是直線關繫，本文用最小二乘法擬閤壓力傳感器輸入輸齣非線性方程，併給齣不確定度分析，可以提高測量的準確度。
압력전감기수입수출관계통상이선성의합직선래표시，이실제수입수출관계병불시직선관계，본문용최소이승법의합압력전감기수입수출비선성방정，병급출불학정도분석，가이제고측량적준학도。
The relationship between input and output of pressure sensors is usually expressed through linear curve, but it is not a linear rela-tionship. The least square method is used to simulate the nonlinearity of pressure sensors’ input and output, and the methods for these uncertain-ty calculations and evaluations were derived to improve measure accuracy.
