基于多元校正法的香梨糖度可见/近红外光谱检测

被引：20

作者：

徐惠荣

陈晓伟

应义斌

机构：

[1] 浙江大学生物系统工程与食品科学学院

来源：

农业机械学报 | 2010年 / 41卷 / 12期

关键词：

香梨; 糖度; 无损检测; 可见/近红外光谱; 多元校正; 温度;

D O I：

暂无

中图分类号：

TS255.7 [果蔬加工品标准与检验];

学科分类号：

083203 ;

摘要：

应用可见/近红外光谱透射技术结合多元校正法探讨了样品在不同温度条件(5、10、15、20℃)下香梨糖度的快速无损检测。在波长500～900 nm范围内,用逐步多元线性回归(SMLR)、偏最小二乘法(PLS)、最小二乘支持向量机(LS SVM1、LS SVM2)和遗传算法偏最小二乘法(GA PLS)等多种多元校正法进行了建模预测比较研究。预测结果从优到差依次为LS SVM2、LS SVM1、GA PLS、PLS、SMLR。

引用

页码：126 / 129+147 +147

页数：5

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