Characteristic Wavelengths Selection of Soluble Solids Content of Pear Based on NIR Spectral and LS-SVM

Fan Shu-xiang; Zhao Chun-jiang; Fan Shu-xiang; Huang Wen-qian; Li Jiang-bo; Zhao Chun-jiang; Zhang Bao-hua; SCI

机构： Northwest Agr & Forestry Univ, Coll Mech & Elect Engn, Yangling 712100, Peoples R China; Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China;

关键词： NIR spectroscopy Characteristic wavelengths Least squares-support vector machine Soluble solids content Pear

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Research on Web Application Technology in Distance Education Personalized Recommendation System

Qiao, ZhuFeng; Guo, JianXin; Zhao, JiChun; SCI

机构： Beijing Acad Agr & Forestry Sci, Inst Informat Sci & Technol Agr, Beijing, Peoples R China;

关键词： personalized recommendation based on content collaborative recommendation interest model user behavior

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Research on Compression Storage of Massive Agricultural Data Based on Cloud Environment

Gao Ronghua; Wu Huarui; SCI

机构： Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： cloud storage massive data compression storage Huffman tree

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A COMPARATIVE ANALYSIS OF MUTUAL INFORMATION BASED FEATURE SELECTION FOR HYPERSPECTRAL IMAGE CLASSIFICATION

Fu, Yuanyuan; Fu, Yuanyuan; Jia, Xiuping; Huang, Wenjiang; Wang, Jihua; SCI

机构： Zhejiang Univ, Inst Appl Remote Sensing & Informat Technol, Hangzhou 310058, Zhejiang, Peoples R China; Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Univ New S Wales, Sch Engn & Informat Technol, Canberra, ACT 2600, Australia; Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China; Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Agr Stand & Testing, Beijing 100097, Peoples R China;

关键词： feature selection mutual information classification hyperspectral image

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Remote sensing dynamic monitoring of ecosystem service value of soil conservation with time series data

Gu, Xiaohe; Guo, Wei; Wang, Yancang; Wang, Yancang; SCI

机构： Beijing Res Ctr Informat Technol Agr, Beijing, Peoples R China; Shandong Univ Sci & Technol, Coll Geometr, Qingdao, Peoples R China;

关键词： soil conservation ecosystem service value opportunity cost dynamic chang

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Image Characteristics Indexing Based on X-Tree

Gao Ronghua; Wu Huarui; SCI

机构： Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： image characteristics indexing X-tree retrieval multimedia

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Direct and Indirect Impacts of Infestation of Tomato Plant by Myzus persicae ( Hemiptera: Aphididae) on Bemisia tabaci ( Hemiptera: Aleyrodidae)

Tan, Xiao-Ling; Ridsdill-Smith, James; Liu, Tong-Xian; Tan, Xiao-Ling; Ridsdill-Smith, James; Liu, Tong-Xian; Wang, Su; Ridsdill-Smith, James; SCI

机构： Northwest A&F Univ, State Key Lab Crop Stress Biol Arid Areas, Yangling, Shaanxi, Peoples R China; Northwest A&F Univ, Key Lab Crop Pest Management Losses Plateau, Minist Agr, Yangling, Shaanxi, Peoples R China; Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing, Peoples R China; Univ Western Australia M092, Crawley, WA, Australia;

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A Personalized User Evaluation Model forWeb-Based Learning Systems

Niu, Ke; Niu, Zhendong; Liu, Donglei; Zhao, Xiangyu; Gu, Peipei; Zhao, Xiangyu; SCI

机构： Beijing Inst Technol, Sch Comp Sci & Technol, Beijing 100081, Peoples R China; Beijing Res Ctr Informat Technol Agr, Beijing, Peoples R China;

关键词： Web-based learning personalized user evaluation user clustering

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A Wireless Sensor Networks Monitoring Device Based on ZigBee

Wu, Huarui; Zhu, Li; Wu, Huarui; Zhu, Li; Wu, Huarui; Zhu, Li; SCI

机构： Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Key Labs Informat Technol Agr, Beijing 100097, Peoples R China;

关键词： ZigBee wireless sensor networks Routing Strategy Device network lifetime

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Near-Infrared Hyperspectral Imaging Combined with CARS Algorithm to Quantitatively Determine Soluble Solids Content in "Ya" Pear

Li Jiang-bo; Chen Li-ping; Huang Wen-qian; Peng Yan-kun; SCI

机构： Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China; China Agr Univ, Coll Engn, Beijing 100083, Peoples R China;

关键词： Near-infrared hyperspectral imaging SSC 'Ya' pear Variable selection CARS

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