261Quantification of Nitrogen Status in Rice by Least Squares Support Vector Machines and Reflectance Spectroscopy

作者： Shao, Yongni; Bao, Yidan; He, Yong; Zhao, Chunjiang; SCI

机构： Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310029, Zhejiang, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing, Peoples R China;

来源：FOOD AND BIOPROCESS TECHNOLOGY

关键词： Rice; Nitrogen; Least squares support vector machines (LS-SVM); Partial least square (PLS); Back propagation neural network (BPNN); SPAD value

年份：2012

262Estimation of maize above-ground biomass based on stem-leaf separation strategy integrated with LiDAR and optical remote sensing data

作者： Zhu, Yaohui; Zhao, Chunjiang; Zhu, Yaohui; Zhao, Chunjiang; Yang, Hao; Yang, Guijun; Han, Liang; Li, Zhenhai; Feng, Haikuan; Xu, Bo; Wu, Jintao; Lei, Lei; Zhu, Yaohui; Zhao, Chunjiang; Yang, Hao; Yang, Guijun; Li, Zhenhai; Feng, Haikuan; Xu, Bo; Wu, Jintao; Lei, Lei; Han, Liang; SCI

机构： Beijing Forestry Univ, Sch Informat Sci & Technol, Beijing, Peoples R China; Beijing Res Ctr Informat Technol Agr, Minist Agr, Key Lab Quantitat Remote Sensing Agr, Beijing, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing, Peoples R China; Shanxi Datong Univ, Coll Architecture & Geomat Engn, Datong, Peoples R China;

来源：PEERJ

关键词： Maize; Multispectral image; LiDAR; Above-ground biomass; Unmanned aerial vehicle

年份：2019

263SOIL MOISTURE MONITORING OF COTTON FARMLAND WITH REMOTE SENSING IMAGE FROM LANDSAT 5 (TM)

作者： Xu, Xingang; Wang, Jihua; Huang, Wenjiang; Li, Cunjun; Zhao, Chunjiang; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

来源：INTELLIGENT AUTOMATION AND SOFT COMPUTING

关键词： soil moisture; Landsat 5 (TM); spectral feature space

年份：2010

264Relationships of leaf nitrogen concentration and canopy nitrogen density with spectral features parameters and narrow-band spectral indices calculated from field winter wheat (Triticum aestivum L.) spectra

作者： Zhao, Chunjiang; Wang, Zhijie; Wang, Jihua; Huang, Wenjiang; Wang, Zhijie; SCI

机构： Natl Engn Res Ctr Informat Technol Agr, Beijing 100094, Peoples R China; Agr & Agri Food Canada, Hort Res & Dev Ctr, St Jean, PQ J36B 3E6, Canada;

来源：INTERNATIONAL JOURNAL OF REMOTE SENSING

年份：2012

265Two-Dimensional Automatic Measurement for Nozzle Flow Distribution Using Improved Ultrasonic Sensor

作者： Zhai, Changyuan; Li, Wei; Zhao, Chunjiang; Wang, Xiu; Zou, Wei; Wang, Ning; SCI

机构： Northwest A&F Univ, Coll Mech & Elect Engn, Yangling 712100, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Oklahoma State Univ, Dept Biosyst & Agr Engn, Stillwater, OK 75078 USA;

来源：SENSORS

关键词： nozzle flow distribution; spray deposition measurement; two-dimensional automatic measurement; ultrasonic sensor

年份：2015

266Identification of Apple Orchard Planting Year Based on Spatiotemporally Fused Satellite Images and Clustering Analysis of Foliage Phenophase

作者： Zhu, Yaohui; Yang, Guijun; Yang, Hao; Wu, Jintao; Lei, Lei; Zhao, Fa; Fan, Lingling; Zhao, Chunjiang; Zhu, Yaohui; Yang, Guijun; Yang, Hao; Wu, Jintao; Lei, Lei; Zhao, Fa; Fan, Lingling; Zhao, Chunjiang; Zhu, Yaohui; Zhao, Chunjiang; SCI

机构： Beijing Res Ctr Informat Technol Agr, Minist Agr, Key Lab Quantitat Remote Sensing Agr, Beijing 100097, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Beijing Forestry Univ, Sch Informat Sci & Technol, Beijing 100083, Peoples R China;

来源：REMOTE SENSING

关键词： apple orchard; planting year; remote sensing; spatiotemporal fusion; phenology

年份：2020

267Orchard tree structure digital test system and its application

作者： Zhai, Changyuan; Wang, Xiu; Zhao, Chunjiang; Zou, Wei; Liu, Dayin; Mao, Yijin; Zhai, Changyuan; Zhao, Chunjiang; SCI

机构： China Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; NW A&F Univ, Coll Mech & Elect Engn, Yangling 712100, Peoples R China;

来源：MATHEMATICAL AND COMPUTER MODELLING

关键词： Digital test system; Tree structure; Ultrasonic sensor; Serial communication

年份：2011

268Detection of impurities in wheat using terahertz spectral imaging and convolutional neural networks

作者： Shen, Yin; Zhao, Chunjiang; Li, Guanglin; Yin, Yanxin; Li, Bin; Shen, Yin; Li, Bin; Zhao, Chunjiang; SCI

机构： Southwest Univ, Coll Engn & Technol, Chongqing 400715, Peoples R China; Beijing Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

来源：COMPUTERS AND ELECTRONICS IN AGRICULTURE

关键词： THz spectral imaging; Convolutional neural network; Impurity detection; Loss function; Confusion matrix

年份：2021

269Identifying crop leaf angle distribution based on two-temporal and bidirectional canopy reflectance

作者： Huang, Wenjiang; Niu, Zheng; Wang, Jihua; Liu, Liangyun; Zhao, Chunjiang; Liu, Qiang; SCI

机构： Chinese Acad Sci, Inst Remote Sensing Applicat, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China; Chinese Acad Sci, Inst Remote Sensing Applicat, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China; Beijing Normal Univ, Beijing 100101, Peoples R China; Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China;

来源：IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING

关键词： bidirectional reflectance distribution function (BRDF); identification; leaf-angle distribution (LAD); two-temporal; winter wheat

年份：2006

270Multi-GNSS precise point positioning for precision agriculture

作者： Guo, Jing; Li, Zhenhong; Hu, Leyin; Fairbairn, David; Guo, Jing; Li, Xingxing; Ge, Maorong; Hu, Leyin; Yang, Guijun; Zhao, Chunjiang; Watson, David; SCI

机构： Newcastle Univ, Sch Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England; Wuhan Univ, GNSS Res Ctr, Wuhan 430079, Hubei, Peoples R China; German Res Ctr Geosci GFZ, D-14473 Potsdam, Germany; Earthquake Adm Beijing Municipal, Beijing 100080, Peoples R China; Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China; Newcastle Univ, Sch Agr Food & Rural Dev, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England;

来源：PRECISION AGRICULTURE

关键词： GNSS; Precise point positioning; Real time kinematic

年份：2018