拉科斯特重力仪中长周期格值标定因子的选择  

ON THE CHOICE OF THE SCALE FUNCTION FACTORS OF LCR GRAVIMETER

作　　者：刘乃苓[1] 江志恒 

机构地区：[1]国家测绘局测绘科学研究所

出　　处：《地壳形变与地震》1991年第1期65-74,共10页Crustal Deformation and Earthquake

摘　　要：格值函数中高次项不易求准,且其误差积累很快,故应慎重引入;周期项标定误差的间接影响不容忽视,它通过影响其它周期的标定精度间接损害最后结果;振幅误差比和初相位标定中误差以及逐步回归分析可作为因子选择的参考依据。本文推导了有关公式并给出算例给予说明。It's difficult to determine the high power terms of scale function in LCR meter accuratly and the error accumulates very quickly; the indirect errors of the determination for periodic terms should not be ignored, which damage the accuracy of the other terms; Some reference standards and regression are suggested for the choice of the scale function factors. Formulas and examples concerned are given in this paper.

关 键 词：重力仪 格值函数 标定因子 选择 

分 类 号：P223.5[天文地球—大地测量学与测量工程]