Application of wavelet transform in-ray spectra analysis

The frequency distribution of different ingredients in-ray spectra,e.g.,photo-peak,fluctuations of counts and Compton region,is separately analyzed.After wavelet transform of-ray spectra,the wavelet coefficients of a photo-peak increase with transforming scales and these coefficients show direct pro...

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Bibliographic Details
Published in:中国科学：物理学、力学、天文学英文版 2013 (9), p.1735-1739
Main Author: YU GuoLiang GU JianZhong HOU Long LI ZhenYu WANG YanZhao ZHANG YiYun
Format: Article
Language:English
Subjects:
多谱分析
安全监测
小波变换
小波系数
峰值强度
电子射线
辐射防护
频率分布
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Summary:The frequency distribution of different ingredients in-ray spectra,e.g.,photo-peak,fluctuations of counts and Compton region,is separately analyzed.After wavelet transform of-ray spectra,the wavelet coefficients of a photo-peak increase with transforming scales and these coefficients show direct proportion with intensity of peak at determinate scale.A novel algorithm based on wavelet transform is proposed and studied.The results indicate that most of the photo-peaks in multi-spectra can be determined accurately,the-rays energy and intensity of the peak can also be determined.This method has the prospect of being applied in on-line multi-spectra analysis in such fields as radioprotection and nuclear safety monitoring.
ISSN:1674-7348
1869-1927