The optimization of coal on-line analysis system based on signal-to-noise ratio evaluation

被引：0
作者：
JiaTong Li
WenBao Jia
DaQian Hei
PingKun Cai
Can Cheng
Yajun Tang
机构：
[1] Nanjing University of Aeronautics and Astronautics,Department of Nuclear Science and Engineering, College of Materials Science and Engineering
[2] Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2018年 / 318卷
关键词：
Signal-to-noise ratio (SNR); MCNP simulation; PGNAA; System optimization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In the present study, the coal on-line analysis system is optimized, and the signal-to-noise ratio (SNR) is quantified and set as the evaluation criterion for device optimization. 3 cm lead with 3 cm polyethylene is set as moderator, and 13 cm lead is for a better shielding. Besides, the neutron generator is set at the center of device, and 72 cm is set as the better distance of axis between neutron generator and detector. Finally, by comparing with the previous experimental results, the Mean Absolute Percentage Error of element with the value less than 1% is improved after device optimization by SNR evaluation.
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页码：1279 / 1286
页数：7
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