现代近红外光谱技术及应用进展 Page 1 第20卷, 第2期光谱学与光谱分析 Vol.20 , No.2 ,pp13
4-1 42 2000 年4 月Spectroscopy and Spectral Analysis April, 2000 现代近红外光谱技术及应用 …

Although the near-infrared (NIR) was the first non-visible region discovered in the absorption
spectrum (by Herschel in 1800) 1–3 analytical chemists made little use of it until the 1950s …

INTRODUCTION Chemometrics is the discipline concerned with the ap-plication of statistical
and mathematical methods, as well as those methods based on mathematical logic, to …

The effect of data pre-processing (no pre-processing, offset correction, de-trending, standard
normal variate transformation (SNV), SNV+ de-trending, multiplicative scatter correction, first …

Since the completion of the first edition of this book, major developments have occurred in
the pharmaceutical industry that have shaped the field of near-infrared (NIR) spectroscopy …

SIMCA (soft independent modelling of class analogy) is a well known pattern recognition
method which describes each class separately in a principal components (PC) space. New …

This study attempted the feasibility to use near infrared (NIR) spectroscopy as a rapid
analysis method to qualitative and quantitative assessment of the tea quality. NIR …

Near infrared spectroscopy (NIRS) was used to discriminate between arabica and robusta
pure coffee varieties and blends of varied varietal composition. Direct orthogonal signal …

Two orthogonal signal correction methods (OSC and DOSC) were applied on a set of 83
roasted coffee NIR spectra from varied origins and varieties in order to remove information …

INTRODUCTION Chemometrics can generally be described as the application of
mathematical and statistical methods to 1) improve chemical measurement processes, and …