| 光谱学与光谱分析 |
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| Influence of Spectrometer Scanning Requirements in Homemade Grating Diffuse NIR Instrument on NIR Veracity |
| QIN Xi-yun1,LI Jun-hui2*,YANG Yu-hong1,CAI Gui-min2 |
1. Yunnan Tobacco Science Research Institute, Yuxi 653100, China
2. College of Information and Electrical Engineering, China Agricultural University, Beijing 100094, China |
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Abstract The influence of instrument parameters, such as scan internal, length of instrument run, frequency of scan background etc, on NIR veracity was studied with a homemade grating diffuse NIR instrument using Yunnan flue-cured tobacco. Results showed that scan interval, such as 8 nm or 16 nm, had no evident influence on NIR quantitative analysis. To improve scan speed, the scan interval the authors decided to use was 16 nm. NIR model was set up which could revise the influence of the length of instrument run. This instrument can clue on baseline shift to decide the frequency of background scanning, which can deduce NIR analysis error and improve NIR veracity.
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Received: 2006-05-19
Accepted: 2006-10-15
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Corresponding Authors:
LI Jun-hui
E-mail: caunir@cau.edu.cn
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| Cite this article: |
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QIN Xi-yun,LI Jun-hui,YANG Yu-hong, et al. Influence of Spectrometer Scanning Requirements in Homemade Grating Diffuse NIR Instrument on NIR Veracity[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(02): 411-413.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I02/411 |
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