Abstract：Spectral smoothing is commonly used as effective pretreatment methods in the spectral analysis. However, the conventional Savitzky-Golay polynomial smoothing methods used in two-dimensional spectral analysis can not be applied to three-dimensional spectrometry directly. In the present paper, a polynomial surface smoothing method is proposed, and the two-dimensional Savitzky-Golay polynomial smoothing methods are extended to three-dimensional fluorescence spectra. Experiment for detecting dissolved organ matter in water using three-dimensional florescence spectrometry was carried out, and experimental results show that the smoothing method for the three-dimensional fluorescence spectrum can effectively improve the modeling accuracy.
Key words：Three-dimensional fluorescence spectrometry;Savitzky-Golay polynomial smoothing;Detection of dissolved organ matter
杜树新，杜阳锋，武晓莉. 基于Savizky-Golay多项式的三维荧光光谱的曲面平滑方法 [J]. 光谱学与光谱分析, 2011, 31(02): 440-443.
DU Shu-xin, DU Yang-feng, WU Xiao-li . The Surface Smoothing Methods for Three-Dimensional Fluorescence Spectrometry Based on Savitzky-Golay Polynomial Smoothing. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2011, 31(02): 440-443.
[1] SHANG Li-ping, YANG Ren-jie(尚丽平, 杨仁杰). <i>In Situ</i> Fluorescence Spectral Analysis Technique and Its Applications(现场荧光光谱技术及其应用). Beijing: Science Press(北京：科学出版社), 2009. [2] Henderson R K, Baker A, Murphy K R, et al. Water Research, 2009, 43: 863. [3] Hudson N, Baker A, Reynolds D. River Research and Applications, 2007, 23: 631. [4] JIANG Jun-duo, WU Hai-long, XIA A-lin, et al(江军朵, 吴海龙, 夏阿林, 等). Chemical Journal of Chinese Universities(高等学校化学学报), 2008, 29(1): 71. [5] WANG Yu-tian, CUI Li-chao, LI Yan-chun, et al(王玉田, 崔立超, 李艳春, 等). Measurement Technique(计量技术), 2006，(3): 26. [6] HAN Qing-juan, WU Hai-long, NIE Jin-fang, et al(韩清娟, 吴海龙, 聂瑾芳, 等). Chemical Journal of Chinese Universities(高等学校化学学报), 2007, 28(5): 827. [7] XU Lu，SHAO Xue-guang(许 禄, 邵学广). Chemometrics(化学计量学方法). Beijing: Science Press(北京：科学出版社), 2004. [8] Zepp R G, Shelddon W M, Ann M M. Marine Chemistry, 2004, 89: 15.
