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Least square fitting of low resolution gamma ray spectra with cubic B-spline basis functions

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【Author】 ZHU Meng-Hua LIU Liang-Gang QI Dong-Xu YOU Zhong XU Ao-Ao (Space Exploration Laboratory, Macao University of Science and Technology, Macao 853, China)

【机构】 Space Exploration Laboratory,Macao University of Science and Technology；

【摘要】 In this paper, the least square fitting method with the cubic B-spline basis functions is derived to reduce the influence of statistical fluctuations in the gamma ray spectra. The derived procedure is simple and automatic. The results show that this method is better than the convolution method with a suffcient reduction of statistical fluctuation.更多还原

【Abstract】 In this paper, the least square fitting method with the cubic B-spline basis functions is derived to reduce the influence of statistical fluctuations in the gamma ray spectra. The derived procedure is simple and automatic. The results show that this method is better than the convolution method with a suffcient reduction of statistical fluctuation.更多还原

【关键词】 B-spline basis functions； least square fitting； gamma-ray spectra；
【Key words】 B-spline basis functions； least square fitting； gamma-ray spectra；

【基金】 Supported by Science and Technology of Development Fund of Macao (042/2007/A3)

【文献出处】中国物理C ,Chinese Physics C , 编辑部邮箱 ,2009年01期

【分类号】O411
【被引频次】7
【下载频次】90

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