Estimation of radionuclide intakes by singular value decomposition

被引：0
|
作者：
Hato S. [1 ,2 ]
Kinase S. [1 ,3 ]
机构：
[1] Institute of Applied Beam Science, Graduate School of Science and Engineering, Ibaraki University, 2-1-1 Bunkyo, Mito-shi, 310-8512, Ibaraki
[2] Visible Information Center, Inc., 440 Muramatsu, Tokai-mura, Naka-gun, 319-1112, Ibaraki
[3] Fukushima Environmental Safety Center, Japan Atomic Energy Agency, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, 319-1195, Ibaraki
来源：
Transactions of the Atomic Energy Society of Japan | 2016年 / 15卷 / 03期
关键词：
Intake estimation; Internal exposure; Radioactivity measurement; Singular value decomposition;
D O I：
10.3327/taesj.J15.017
中图分类号：
学科分类号：
摘要：
It is important to accurately estimate the intake quantity for reliable internal exposure assessments. The intake quantity has been estimated by using the least-squares method. However, to use the least-squares method, the number of radioactivity measurements must be more than the number of intakes. To remedy this restriction, this study suggests an estimation method using singular value decomposition that is available regardless of the relation between the numbers of measurements and intakes. Moreover, this study introduces a procedure to calculate the intake quantity from the measurements with uncertainty. © 2016 Atomic Energy Society of Japan, All Rights Reserved.
引用
收藏
页码：146 / 150
页数：4
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