ft-nir spectra 傅立叶变换光谱
nir spectra analysis 红外分析
IR and NIR spectra 红外与近红外光谱
nir raman spectra 近红外拉曼光谱
NIR-FT-Raman spectra 近红外傅里叶变换拉曼光谱
near-infrared spectra nir 近红外光谱
The results show that OSC is suited to preprocess the NIR spectra of herbal medicines.
研究结果表明OSC适用于中药体系的近红外光谱分析数据预处理。
参考来源 - 基于正交信号校正算法的近红外光谱预处理Net analyte preprocessing (NAP) and orthogonal signal correction(OSC) were respectively used to pretreat the NIR spectra of green tea.
为解决这一问题,研究采用净分析物预处理法(NAP)和正交信号校正法(OSC)对近红外光谱进行预处理以净化光谱信息。
参考来源 - 利用近红外光谱分析技术检测绿茶有效成分的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The results indicate that the discrete cosine transform has a good compressibility to NIR spectra of tea.
结果表明，离散余弦变换对近红外光谱具有较强的压缩能力。
Firstly, a new wavelength selection method based on the relevant information between chemical component and the NIR spectra is developed.
提出一种基于近红外光谱与化学组分之间相关信息量分析的光谱波段选择方法。
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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