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matvey

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[求助] 再帮忙翻译一段英文

The least squares algorithm synthesizes the spectrum of the sample under analysis by taking a linear combination of all the elemental shapes spectra and the background shape spectrum. The coefficients on the linear combination of elemental shapes and background spectra are scaling factors determined by minimizing chi-square thus producing the best fit possible by least square minimization. Values of the chi-square statistic are calculated for each sample and fluorescer to give an indication of the quality of the fit.
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wildwolf110

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matvey(金币+10): 2011-09-16 16:58:21
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3楼2011-09-16 16:48:32
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fanliang1389

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有爱的二哥

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matvey(金币+20, 翻译EPI+1): 2011-09-16 16:58:17
最小二乘法通过获得取得所有元素的光谱形状以及光谱背景的线性混合综合了待分析样品的光谱。元素的光谱形状以及光谱背景的线性混合参数为缩放比例因素,这些因素由最小卡方分布测定,这样通过最小二次方即可得出最优可能。卡方统计数值为每个样品和荧光剂而设计,目的在于标记符合标准的样品
2楼2011-09-16 16:43:55
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