For the advantage of wavelet transform in denoising and data compression, we choose wavelet transform to denoise and compress the data of Near-infrared spectra.
并根据小波变换在噪声滤除及数据压缩方面的优势，选取小波变换对光谱数据进行滤噪和初步压缩。
This article systematically analyzes several traditional pretreatment methods for Near-infrared spectra, and discusses the character and the field they can be used in.
本文系统地分析了几种传统的光谱数据预处理方法，指出了这些方法各自的特点及适用范围。
The principle of determining parameters of children high calcium milk powder (CHCMP) by near infrared spectra method is studied.
从化学计量学角度研究了近红外光谱技术测定儿童高钙奶粉理化指标的原理。
A real data set from near infrared reflectance spectra of aspirin used to build up artificial network to predict unknown samples.
使用阿斯匹林粉末药品的近红外漫反射一阶导数光谱数据建立人工神经网络模型，预测未知样品。
The reflection rates of spectra of the canopy decreased in the near infrared waves and increased in the visible waves with increasing the plant densities.
随着种植密度的提高，光谱反射率在可见光波段降低，近红外波段增加。
The methods of determining high active end group content and molecular weight of polyisobutene have been established by nuclear magnetic resonance and near infrared spectra respectively.
分别建立核磁测定聚异丁烯活性端基含量以及其他烯键含量和近红外光谱快速测定聚异丁烯活性端基含量、其他烯键含量和相对分子质量的分析方法。
The shapes of the three spectra are similar in the near-infrared region owing to the bulk effect.
在近红外区由于弱吸收本体效应起主要作用，这三种光谱形状相似。
It is suggested that the determination of solution by near-infrared laser Raman spectra is carried out in darkroom or in dark cover to completely isolates the influences of the environment lights.
建议在进行溶液近红外激光拉曼光谱检测时，须在暗室或暗罩中进行，以完全隔离环境光的影响。
A real data set from near -infrared diffuse reflectance spectra of spironolactone pharmaceutical powder was used to built up an artificial neural network model to predict unknown samples.
使用安体舒通粉末药品的近红外漫反射光谱数据建立人工神经网络模型，预测未知样品。
Visible/near-infrared (VIS/NIR) diffuse reflectance spectra were applied to non-destructive measurement of surface color of pear.
应用可见/近红外漫反射光谱对梨表面色泽进行无损检测研究。
Visible/near-infrared (VIS/NIR) diffuse reflectance spectra were applied to non-destructive measurement of surface color of pear.
应用可见/近红外漫反射光谱对梨表面色泽进行无损检测研究。
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