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A Smoothing Effect Evaluation Method of γ Spectrum
Author(s): LEI Wei-guo, WANG Tie-shan, FENG Tian-cheng, JIA Ming-yan, CHENG Zhi-wei, LEI Zhen
Pages: 308-
310,336
Year: 2012
Issue:
3
Journal: Nuclear Electronics & Detection Technology
Abstract: 在γ能谱数据处理中需要对测量能谱进行光滑以降低统计涨落.实际应用中,针对不同的γ能谱,需要对各种能谱光滑算法的光滑效果进行科学的比较和评价,选择最佳的能谱光滑算法及最佳光滑参数.文章从γ能谱计数的统计涨落规律出发,提出了一种评价能谱光滑算法效果的方法,给出了评价参数,并计算了光滑效果的等效测量时间.根据实验测量的γ能谱数据,采用5点三次多项式拟合最小二乘法对不同光滑次数的光滑效果进行了对比,优选了...
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