...随时间变化白勺线 基线漂移(baseline drift):基线随时间定向白勺变化 基线漂移 基线随时间定向白勺变化 基线噪声(baseline noise):由各种因素引起白勺基线起伏 基线噪声 由各种因素引起白勺基线起伏
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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）。
Testing receiver's internal noise from zero baseline tests is recognized by many people.
检定接收机内部噪声一般采用零基线法。
The invention has the advantages of high stability of the emergent electron current, small noise baseline and the like.
本发明具有出射电子流稳定、噪声基线小等优点。
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