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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Retrieving aboveground biomass of wetland Phragmites australis (common reed) using a combination of airborne discrete-return LiDAR and hyperspectral data 期刊论文 INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION, 2017 Luo, Shezhou; Wang, Cheng; Xi, Xiaohuan; Pan, Feifei; Qian, Mingjie; Peng, Dailiang; Nie, Sheng; Qin, Haiming; Lin, Yi 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 LiDAR  Biomass  Wetland vegetation  Hyperspectral  Reed  Phragmites australis  LEAF-AREA INDEX  LASER-SCANNING DATA  WAVE-FORM LIDAR  FOREST BIOMASS  TEMPERATE FOREST  CARBON STOCKS  SAVANNA ECOSYSTEMS  VEGETATION INDEX  PROFILING LIDAR  TROPICAL FOREST   Effects of gravel on soil and vegetation properties of alpine grassland on the Qinghai-Tibetan plateau 期刊论文 ecological engineering, 2015 Qin, Yu; Yi, Shuhua; Chen, Jianjun; Ren, Shilong; Ding, Yongjian 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Soil gravel  Soil nutrition  Vegetation growth  ROCK FRAGMENTS  CARBON STOCKS  SKELETON  EROSION  GROWTH  CHINA  RESPONSES  WATER   Group identification in stock correlation networks with an application to portfolio selection 期刊论文 journal of computational information systems, 2014 Yang, Jianjun; Wang, Zitian; Liu, Xinhai; Tan, Shaohua 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 Emergent and spontaneous computation of factor relationships from a large factor set 期刊论文 journal of economic dynamics control, 2008 Wang, Zitian; Wang, Lili; Tan, Shaohua 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Asset pricing  Financial factor analysis  Bayesian Network  Bayesian inference  EXPECTED STOCK RETURNS  MARKET EQUILIBRIUM  DIVIDEND YIELDS  COMMON-STOCKS  ASSET PRICES  CONSUMPTION  RISK  INFERENCE  ANOMALIES