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	Nuclide identification algorithm for a portable gamma spectrometer
	Chen Liang ; Wei Yixiang ; Qu Jianshi
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical Experimental/ FIR filters gamma-ray spectrometers microcontrollers scintillation counters smoothing methods/ gamma spectrometer nuclide identification algorithm portable gamma spectrometer finite impulse response FIR filter smoothing zero-area peak searching iterative calculations NaI detector Monte Carlo simulation ARM2440 microcontroller unit/ A2930K X- and gamma-ray spectroscopy A2940M Scintillation detectors scintillators and photomultipliers B7450 X-ray and gamma-ray equipment B1270F Digital filters B7420 Particle and radiation detection and measurement
中文摘要	A serious of algorithms, including finite impulse response (FIR) filter smoothing, self-adjusting symmetrical zero-area peak searching, and nuclide matching were developed for nuclide identification in portable spectrometers. These algorithms avoid complicated iterative calculations and make the most of prior knowledge about known nuclides, with optimized nuclide libraries and improved calculational speeds so that the algorithms can provide satisfactory nuclide identification by a NaI detector portable gamma spectrometer. The algorithms were validated by experiments and Monte Carlo simulation spectra data. The results show that these algorithms can identify 4 classes and 27 kinds of nuclides in 5 s on an ARM2440 micro controller unit, with the experimental spectra data obtained using a self-designed portable spectrometer.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82476]
专题	清华大学
推荐引用方式 GB/T 7714	Chen Liang,Wei Yixiang,Qu Jianshi. Nuclide identification algorithm for a portable gamma spectrometer[J],2010, 2010.
APA	Chen Liang,Wei Yixiang,&Qu Jianshi.(2010).Nuclide identification algorithm for a portable gamma spectrometer..
MLA	Chen Liang,et al."Nuclide identification algorithm for a portable gamma spectrometer".(2010).

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