兰州大学机构库

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Variable selection for ultra-high dimensional quantile regression with missing data and measurement error 期刊论文
STATISTICAL METHODS IN MEDICAL RESEARCH, 2020
Authors:  Bai, Yongxin;  Tian, Maozai;  Tang, Man-Lai;  Lee, Wing-Yan
Favorite  |  View/Download:1/0  |  Submit date:2020/12/18
Quantile regression  Atan penalty  measurement error  missing data  HBIC criterion  
Soil total nitrogen estimation of alpine grassland using visible/near-infrared spectra: A comparison of multivariate techniques with different spectral transformations 期刊论文
Journal of Applied Remote Sensing, 2020, 卷号: 14, 期号: 1
Authors:  Xu, Gang;  Li, Funing;  Luo, Yuqi;  Xie, Jianquan;  Guo, Xiaoping
Favorite  |  View/Download:2/0  |  Submit date:2020/08/20
alpine grassland soil  total nitrogen estimation  multivariate techniques  visible/near-infrared spectroscopy  
Estimation of Grassland Height Based on the Random Forest Algorithm and Remote Sensing in the Tibetan Plateau 期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2020, 卷号: 13, 页码: 178-186
Authors:  Yin, Jianpeng;  Feng, QS(冯琦胜);  Liang, TG(梁天刚);  Meng, Baoping;  Yang, Shuxia;  Gao, Jinlong;  Ge, Jing;  Hou, Mengjing;  Liu, Jie;  Wang, Wei...Yin, Jianpeng;  Feng, QS(冯琦胜);  Liang, TG(梁天刚);  Meng, Baoping;  Yang, Shuxia;  Gao, Jinlong;  Ge, Jing;  Hou, Mengjing;  Liu, Jie;  Wang, Wei;  Yu, Hui;  Liu, Baokang
Favorite  |  View/Download:9/0  |  Submit date:2020/06/03
Radio frequency  Predictive models  MODIS  Remote sensing  Vegetation mapping  Forestry  Biological system modeling  Grassland height  random forest (RF)  Tibetan Plateau (TP)  
Estimation of Grassland Height Based on the Random Forest Algorithm and Remote Sensing in the Tibetan Plateau 会议论文
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Authors:  Yin, Jianpeng;  Wang, Wei;  Yu, Hui;  Liu, Baokang;  Feng, QS(冯琦胜);  Liang, TG(梁天刚);  Meng, Baoping;  Yang, Shuxia;  Gao, Jinlong;  Ge, Jing...Yin, Jianpeng;  Wang, Wei;  Yu, Hui;  Liu, Baokang;  Feng, QS(冯琦胜);  Liang, TG(梁天刚);  Meng, Baoping;  Yang, Shuxia;  Gao, Jinlong;  Ge, Jing;  Hou, Mengjing;  Liu, Jie
Favorite  |  View/Download:1/0  |  Submit date:2020/12/17
Decision trees  Mean square error  Radiometers  Random forestsAccumulated temperatures  Enhanced vegetation index  Grassland height  Moderate resolution imaging spectroradiometer  Random forest algorithm  Recursive feature elimination  Root mean squared errors  Tibetan Plateau  
基于两条垂直直线的相机标定方法研究 学位论文
硕士, 兰州: 兰州大学, 2019
Authors:  王竟磊
Favorite  |  View/Download:3/0  |  Submit date:2020/01/16
立体视觉  张正友标定方法  垂直直线  相机标定  
卫星气溶胶产品评估与融合改进及其在区域PM2.5浓度估算中的应用 学位论文
博士, 兰州: 兰州大学, 2018
Authors:  张婕
Favorite  |  View/Download:21/0  |  Submit date:2019/01/17
气溶胶光学厚度  精度评估  气溶胶产品融合  混合效应模型构建  区域近地层细颗粒物分布  
车险欺诈率估计:基于改进的PRIDIT方法 学位论文
硕士, 兰州: 兰州大学, 2018
Authors:  简玉玲
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车险欺诈  欺诈率估计  PRIDIT方法  均方误差  
基于EEMD-SVR-Copula模型及夜间灯光数据的GDP预测新方法研究 学位论文
硕士, 兰州: 兰州大学, 2018
Authors:  颜定勇
Favorite  |  View/Download:14/0  |  Submit date:2019/01/18
EEMD  SVR  Copula  DMSP/OLS夜间灯光数据  GDP预测  
随机分数阶偏微分方程的理论分析与数值方法研究 学位论文
博士, 兰州: 兰州大学, 2017
Authors:  李娅静
Favorite  |  View/Download:24/0  |  Submit date:2019/01/18
Caputo 分数阶导数  分数阶随机发展方程  分数阶随机发展包含  随机分数阶波方程  分数阶 Laplacian 算子  无穷时滞  Brownian 运动  分数 Brownian 运动  渐近行为  Galerkin 有限元方法  
An Evaluation of the Performance and the Contribution of Different Modified Water Demand Estimates in Drought Modeling Over Water-stressed Regions 期刊论文
Land Degradation and Development, 2017, 卷号: 28, 期号: 3, 页码: 1134-1151
Authors:  Zhang, BQ(张宝庆);  Long, Biao;  Wu, Zhiyong;  Wang, ZK(王自奎)
Favorite  |  View/Download:24/0  |  Submit date:2018/01/18
drought  evapotranspiration  water balance  Standardized Moisture Anomaly Index  Standardized Precipitation Evapotranspiration Index