海水放射性在线监测计数率数据的统计分析

Pub Date : 2019-06-30 DOI:10.14407/JRPR.2019.44.2.64

Dong-Myung Lee, Binh Do Cong, Jun-Ho Lee, I. Yeo, Cheol-Su Kim

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引用次数: 0

摘要

材料与方法:收集9个监测点的时间序列计数率数据集。在137Cs (γ = 661.6 keV)的伽马射线能谱上，每15分钟从感兴趣区域(ROI)测量所有计数率数据。对Shewhart (3σ)法、CUSUM法和Bayesian S-R控制图法进行评价，并对计数率数据确定方法的假阳性发生率进行比较分析。所有的统计算法都是由作者使用R编程开发的。

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Statistical Analysis of Count Rate Data for On-line Seawater Radioactivity Monitoring

Materials and Methods: Count rate data sets in time series were collected from 9 monitoring posts. All of the count rate data were measured every 15 minutes from the region of interest (ROI) for 137Cs (Eγ = 661.6 keV) on the gamma-ray energy spectrum. The Shewhart (3σ), CUSUM, and Bayesian S-R control chart methods were evaluated and the comparative analysis of determination methods for count rate data was carried out in terms of the false positive incidence rate. All statistical algorithms were developed using R Programming by the authors.

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