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

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ZHU Meng-Hua, LIU Liang-Gang, QI Dong-Xu, YOU Zhong and XU Ao-Ao. Least square fitting of low resolution gamma ray spectra with cubic B-spline basis functions[J]. Chinese Physics C, 2009, 33(1): 24-30. doi: 10.1088/1674-1137/33/1/006
ZHU Meng-Hua, LIU Liang-Gang, QI Dong-Xu, YOU Zhong and XU Ao-Ao. Least square fitting of low resolution gamma ray spectra with cubic B-spline basis functions[J]. Chinese Physics C, 2009, 33(1): 24-30.  doi: 10.1088/1674-1137/33/1/006 shu
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Received: 2008-04-03
Revised: 2008-04-29
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Least square fitting of low resolution gamma ray spectra with cubic B-spline basis functions

    Corresponding author: ZHU Meng-Hua,

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 sufficient
reduction of statistical fluctuation.

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