光谱学与光谱分析 |
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A Basic Research to Share Fourier Transform Near-Infrared Spectrum Information Resource |
ZHANG Lu-da1,LI Jun-hui2,ZHAO Long-lian2,ZHAO Li-li2,QIN Fang-li2,YAN Yan-lu2 |
1. College of Science, China Agriculture University,Beijing 100094,China 2. College of Information, China Agriculture University,Beijing 100094,China |
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Abstract A method to share the information resource in the database of Fourier transform near-infrared(FTNIR) spectrum information of agricultural products and utilize the spectrum information sufficiently is explored in this paper. Mapping spectrum information from one instrument to another is studied to express the spectrum information accurately between the instruments. Then mapping spectrum information is used to establish a mathematical model of quantitative analysis without including standard samples. The analysis result is that the relative coefficient r is 0.941 and the relative error is 3.28% between the model estimate values and the Kjeldahl’s value for the protein content of twenty-two wheat samples, while the relative coefficient r is 0.963 and the relative error is 2.4% for the other model, which is established by using standard samples. It is shown that the spectrum information can be shared by using the mapping spectrum information. So it can be concluded that the spectrum information in one FTNIR spectrum information database can be transformed to another instrument’s mapping spectrum information, which makes full use of the information resource in the database of FTNIR spectrum information to realize the resource sharing between different instruments.
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Received: 2002-09-18
Accepted: 2003-02-11
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Cite this article: |
ZHANG Lu-da,LI Jun-hui,ZHAO Long-lian, et al. A Basic Research to Share Fourier Transform Near-Infrared Spectrum Information Resource[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(08): 938-940.
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URL: |
http://www.gpxygpfx.com/EN/Y2004/V24/I08/938 |
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