Technology of near infrared spectroscopy analysis system design based on fixed grating and charge-coupled device

被引：0
作者：
Zhang, Yinqiao [1 ]
Zhao, Bo [1 ]
Wang, Hui [1 ]
Mao, Wenhua [1 ]
Zhang, Xiaochao [1 ]
机构：
[1] Chinese Academy of Agricultural Mechanization Sciences
来源：
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | 2009年 / 25卷 / 09期
关键词：
Agricultural products; CCD temperature control; Design; Light system; Near infrared spectroscopy; Quality detection;
D O I：
10.3969/j.issn.1002-6819.2009.09.031
中图分类号：
学科分类号：
摘要：
Near infrared(NIR) spectroscopy analysis system was designed based on a fixed grating and a linear array charge-coupled device (CCD). The main content includes CCD drive circuit, spectrum signal acquisition circuit, fixed grating optical system, light source control system, CCD temperature control system and sample turntable control system. It was verified that the NIR spectral analysis method was feasible in testing the quality of grain by using the MPA Fourier spectrometer such as moisture and protein components of wheat. A variety of pretreatment methods were used to optimize the spectral data, and the optimal treatment means was the first derivative with multiplicative scatter correction. The CA-06 instrument performance and accuracy were verified, and wheat moisture and protein models were established.
引用
收藏
页码：176 / 181
页数：5
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