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《Semiconductor Optoelectronics》 2002-02
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Study on Spectrum Position Errors Caused by Multinomial Fitting

CHEN Gang, WEN Zhi-yu, WU Ying, YANG Gui-rong, JIANG Zi-ping, HUANG Shang-lian (College of Optoelectronic Engineering,Chongqing University,Chongqing 400044,CHN)  
In micro-spectrometer, photoelectronic detecting array is employed to obtain spectrum signal, while the discrete arrangement of its elements makes it impossible to detect the correct spectrum position. To overcome this problem, curve fitting is used to find the possible spectrum line between any two elements. In this paper, the spectrum position error caused by multinomial fitting is analyzed and the correspond computer stimulation shows a improved precision in spectrum line detection.
【Fund】: 国家自然科学基金重点资助项目 (6 9836 0 5 0 ) ;; 国家教育部科学技术重点资助项目 (9910 5 )
【CateGory Index】: TP274.5
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