[刘庆成; 刘玉娟; 吴和喜; 杨磊] Engineering Research Center of Nuclear Technology Application, Ministry of Education, East China Institute of Technology, Nanchang 330013, China
[袁新宇] School of Nuclear Science and Technology, University of South China, Hengyang 421001, China
[刘庆成; 刘玉娟; 吴和喜; 杨磊] School of Nuclear Engineering and Technology, East China Institute of Technology, Fuzhou 344000, China
通讯机构:
Engineering Research Center of Nuclear Technology Application, Ministry of Education, East China Institute of Technology, China
语种:
中文
关键词:
弱峰检测;标准差检测滤波;IAEA测试谱
关键词(英文):
Detected noise level by standard deviation;Test spectrum of IAEA;Weak peak search
A peak search method based on spectrum convolution was proposed. Required preconditions, by which exact position of weak peaks would be detected, were analyzed. A suit of optimal scheme for detecting all of weak peaks in γ-ray spectrum was worked out. It contained a filter with noise level detected by standard deviation, background eradication by SNIP algorithms, and removing false peaks and resolving overlapping peaks by detection limit and the size of opposite peak width. All of programs about this scheme and two other peaks search algorithms were compiled in Matlab 7.1 platform. Test ...