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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2012    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 TEST FOR BANDEDNESS OF HIGH-DIMENSIONAL COVARIANCE MATRICES AND BANDWIDTH ESTIMATION 其他 2012-01-01 Qiu, Yumou; Chen, Song Xi 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/16 Banded covariance matrix  bandwidth estimation  high data dimension  large p  small n  nonparametric  LARGEST EIGENVALUE  REGULARIZATION  DISTRIBUTIONS  INDEPENDENCE  LASSO   Spring vegetation green-up date in China inferred from SPOT NDVI data: A multiple model analysis 期刊论文 agricultural and forest meteorology, 2012 Cong, Nan; Piao, Shilong; Chen, Anping; Wang, Xuhui; Lin, Xin; Chen, Shiping; Han, Shijie; Zhou, Guangsheng; Zhang, Xinping 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Climate change  Phenology  NDVI  Spring vegetation green-up date  China  NET ECOSYSTEM EXCHANGE  DROUGHT-INDUCED REDUCTION  TIME-SERIES  GROWING-SEASON  CLIMATE-CHANGE  SATELLITE MEASUREMENTS  CARBON-DIOXIDE  NORTH-AMERICA  PLANT-GROWTH  PHENOLOGY   State-dependent errors in a land surface model across biomes inferred from eddy covariance observations on multiple timescales 期刊论文 ecological modelling, 2012 Wang, Tao; Brender, Pierre; Ciais, Philippe; Piao, Shilong; Mahecha, Miguel D.; Chevallier, Frederic; Reichstein, Markus; Ottle, Catherine; Maignan, Fabienne; Arain, Altaf; Bohrer, Gil; Cescatti, Alessandro; Kiely, Gerard; Law, Beverly Elizabeth; Lutz, Merbold; Montagnani, Leonardo; Moors, Eddy; Osborne, Bruce; Panferov, Oleg; Papale, Dario; Vaccari, Francesco Primo 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 Eddy covariance  Land surface model  State-dependent model bias  Neural networks  Singular system analysis  Timescale  NET ECOSYSTEM EXCHANGE  ARTIFICIAL NEURAL-NETWORKS  CARBON-DIOXIDE EXCHANGE  ATMOSPHERE CO2 EXCHANGE  ENERGY-BALANCE CLOSURE  NORTHERN TEMPERATE GRASSLAND  BOREAL FOREST STANDS  WATER-VAPOR EXCHANGE  INTERANNUAL VARIABILITY  SOIL RESPIRATION   Validation of the Domain-Specific Risk-Taking Scale in Chinese college students 期刊论文 judgment and decision making, 2012 Hu, Xiaoxiao; Xie, Xiaofei 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 risk-taking  risk perception  risk attitude  domain specificity  Chinese culture  CROSS-CULTURAL DIFFERENCES  COVARIANCE-STRUCTURES  PROSPECT-THEORY  PERCEPTION  ATTITUDES  SAMPLE