| 不同预处理方法对PLS模型检测鲜长枣糖度的影响 |
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| 引用本文： | 苗福生,马毅,汪西原,刘丹.不同预处理方法对PLS模型检测鲜长枣糖度的影响[J].宁夏大学学报(自然科学版),2011,32(2):130-133. |
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| 作者姓名： | 苗福生 马毅 汪西原 刘丹 |
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| 作者单位： | 1. 宁夏大学土木与水利工程学院,宁夏银川750021;宁夏大学,学术期刊中心,宁夏银川750021
2. 宁夏大学物理电气信息学院,宁夏银川,750021 |
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| 基金项目： | 国家自然科学基金资助项目(60961004) |
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| 摘 要： | 为寻找适合近红外光谱无损检测鲜长枣糖度含量的最佳光谱预处理方法,进行鲜长枣样品近红外光谱数据的预处理方法比较研究.探讨了15种光谱预处理方法对偏最小二乘法建模精度的影响.结果表明,小波变换和多元散射校正相结合是近红外光谱偏最小二乘模型无损检测鲜长枣糖度的有效预处理方法,其相关系数和内部交叉验证均方差分别为0.741 1...
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| 关 键 词： | 近红外光谱 预处理 长枣 糖度 偏最小二乘法 |
Effect of Different Pretreatment Methods on PLS Modeling for Measuring Sugar of Fresh Long Jujube with Near Infrared Spectrum |
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| Miao Fusheng,Ma Yi,Wang Xiyuan,Liu Dan.Effect of Different Pretreatment Methods on PLS Modeling for Measuring Sugar of Fresh Long Jujube with Near Infrared Spectrum[J].Journal of Ningxia University(Natural Science Edition),2011,32(2):130-133. |
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| Authors: | Miao Fusheng Ma Yi Wang Xiyuan Liu Dan |
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| Institution: | Miao Fusheng1,2,Ma Yi3,Wang Xiyuan3,Liu Dan3(1.School of Civil and Hydraulic Engineering,Ningxia University,Yinchuan 750021,China,2.Academic Journal Center,3.School of Physics and Electrical Information Engineering,China) |
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| Abstract: | In order to search for an appropriate preprocessing method for the nondestructive measurement of sugar content in long jujube samples by using near infrared diffuse reflection spectrum,pretreatment methods for near infrared spectrums of the long jujube samples are studied.The effects of 15 pretreatment methods for the model based on partial least square are compared.The results show that an efficient preprocessing method is the combination of wavelet transform and multiplicative scatter correction,its corre... |
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| Keywords: | near infrared spectrum pretreatment long jujube sugar partial least square |
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