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中国科学院福建物质结构研究所
纸质出版日期:1982-12
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刘执平, 林后松. 多指数函数正电子湮灭寿命谱的拟合及其误差分析计算[J]. 核技术, 1982,05(6):86-88.
Zhiping Liu, Housong Lin. Positron annihilation lifetime spectrum fitted with a multiexponential function and its error analysis[J]. Nuclear techniques, 1982, 05(6): 86-88.
如何从寿命谱曲线中分析并给出各种成份的寿命、强度和相应的误差估计,是大家关心的问题
[1
2]
。本文以多指数函数为拟合函数,利用最小二乘法原理给出拟合的计算公式,导出误差分析公式。并用ALGOL语言编制了通用程序。最后,给出二、三指数计算结果。
Using multiexponential function
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as a fitting function
the positron annihilation lifetime data are reduced by least square method. The lifetime
intensity and their corresponding formulae of the error analyses are given. A program with ALGOL lanquage adapted to TQ-16 computer is compiled. The computing examples of two and three component lifetime spectra are listed.
S. J. Tao , IEEE. Trans. Nucl. Sci . , 15 , 175 ( 1968 ).
M. Hyde and S. J. Tao , j Non-linear least squares fit to multiexponential component carves, November, 1970 , The New England Institute Ridgefield, Connecticut 06877 .
中国科学院沈阳计算技术研究所 等编 , 电子计算机常用算法 , 科学出版社 , 1976 年.
潘德惠 编著 , 概率论与误差论概要 , 辽宁人民出版社 , 1963 年.
M. B. Perkal and W. B. Walters , J . Chem . Phys. , 53 , 190 ( 1970 ).
J. D. McGervey and V. F. Walters , Phys. Rev . , B2 , 2421 ( 1970 ).
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