正交信号校正算法及其在光谱处理中的应用

被引:3
作者
刘广军
戴冬梅
高洪涛
机构
[1] 济宁师范专科学校化学系,济宁师范专科学校化学系,济宁师范专科学校化学系山东济宁,山东济宁,山东济宁
关键词
正交信号校正; 光谱处理; 近红外;
D O I
暂无
中图分类号
O657.3 [光化学分析法(光谱分析法)];
学科分类号
070302 ; 081704 ;
摘要
基于正交投影的正交信号校正(OSC)算法是近年来在光谱处理上很活跃的一种方法。本文介绍了OSC算法的基本原理,并对S.Wold、Fearn等人的比较成熟的5种正交信号校正算法作了比较详细的介绍。利用谷物的近红外数据,采用5种不同的OSC算法对谷物中的湿度、油含量、蛋白质和淀粉含量的预报情况进行了比较,并讨论了OSC组分数对预处理结果的影响。结果表明,各种正交信号校正算法基本上都能取得比单纯使用PLS更好的结果。
引用
收藏
页码:83 / 86+91 +91
页数:5
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