spectral background [光] 光谱背景
spectral background noise 光谱噪声
spectral background of solvent 溶剂的光谱背景
background spectral radiance [物] 本底光谱辐射
The spectral interferences from zirconium to the spectral lines of the elements determined were investigated and corrected by the matrix matching and background correction methods.
选择了合适的分析谱线，采用基体匹配法和背景扣除法消除基体元素对被测元素的光谱干扰。
The spectral interference and physical interference from Fe to the spectral lines of the elements determined are investigated and corrected by the matrix maching and background correction methods.
研究了铁基体元素对被测元素光谱线的光谱干扰与物理干扰，采用背景扣除法与基体匹配法进行校正。
With NIR spectra, the analytical information is contained in small spectral variations and usually dominated by the features such as light scattering, background noise and baseline drift.
近红外光谱不但包含着物质成分信息，而且这些信息完全掩盖在众多复杂背景当中（包括光散射、背景噪声以及背景漂移）。
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