基于数值分析法的多点源核料位计放射源强度分布计算及测量的非线性修正
Journal of Isotopes(2013)
Abstract
为了实现核料位计的线性刻度,采取多点源单探测器的核子料位计方案,提出三种能够实现核料位计近似线性刻度的多点源强度分布的计算方法。用60 Co源对建立的理论模型进行计算,绘制出计数率料位曲线,并通过Excel和Matlab软件进行了数值计算和残差分析,修正了测量的非线性,实现理论设计上的近似线性输出。
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Key words
two-point standardization,nonlinear correction,nuclear gauge,multi-point source
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