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北京大学 [44]

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期刊论文 [23]

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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

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	基于改进粒子群算法的压缩感知其他 2017-01-01 陈江琦; 马尽文收藏 \| 浏览/下载：6/0 \| 提交时间：2017/12/03 信号采样压缩感知稀疏信号粒子群算法多群协作机制 signal sampling compressive sensing sparse signal particle swarm optimization multi-group collaboration learning mechanism
	Estimation of Forest Topsoil Properties Using Airborne LiDAR-Derived Intensity and Topographic Factors 期刊论文 REMOTE SENSING, 2016 Li, Chao; Xu, Yanli; Liu, Zhaogang; Tao, Shengli; Li, Fengri; Fang, Jingyun 收藏 \| 浏览/下载：5/0 \| 提交时间：2017/12/04 LiDAR intensity forest topsoil properties multi-scale topographic factors INFRARED REFLECTANCE SPECTROSCOPY SOIL ORGANIC-CARBON RADIOMETRIC CORRECTION AGRICULTURAL SOILS TERRAIN ATTRIBUTES SPATIAL PREDICTION CLASSIFICATION INFORMATION CALIBRATION VARIABLES
	基于多主体参与的村庄整治规划过程优化--以宁夏西吉县洞洞村为例期刊论文地域研究与开发, 2016 胡秀媚; 冯健收藏 \| 浏览/下载：3/0 \| 提交时间：2017/12/03 村庄整治规划公众参与多主体参与宁夏西吉县洞洞村 village renovation plan public participation multi-subjects participation Dongdong Village of Xiji County of Ningxia
	Guided Image Contrast Enhancement Based on Retrieved Images in Cloud 期刊论文 IEEE TRANSACTIONS ON MULTIMEDIA, 2016 Wang, Shiqi; Gu, Ke; Ma, Siwei; Lin, Weisi; Liu, Xianming; Gao, Wen 收藏 \| 浏览/下载：4/0 \| 提交时间：2017/12/03 Contrast enhancement image quality assessment retrieved images unsharp masking sigmoid transfer mapping free-energy surface quality FREE-ENERGY PRINCIPLE HISTOGRAM EQUALIZATION QUALITY ASSESSMENT VISUAL-ATTENTION MEDIAN FILTERS VIDEO PRESERVATION COMPRESSION FEATURES
	SERVE: Soft and Equalized Residual VEctors for image retrieval 期刊论文 NEUROCOMPUTING, 2016 Li, Jun; Xu, Chang; Gong, Mingming; Xing, Junliang; Yang, Wankou; Sun, Changyin 收藏 \| 浏览/下载：3/0 \| 提交时间：2017/12/03 SERVE Manifolds Multi-graph embedding Graph ensemble Image retrieval OBJECT RETRIEVAL RELEVANCE FEEDBACK RE-RANKING REPRESENTATION FEATURES DATABASE VLAD
	A target field design of open multi-purpose RF coil for musculoskeletal MR imaging at 3 T 期刊论文 MAGNETIC RESONANCE IMAGING, 2016 Gao, Fei; Zhang, Rui; Zhou, Diange; Wang, Xiaoying; Huang, Kefu; Zhang, Jue 收藏 \| 浏览/下载：6/0 \| 提交时间：2017/12/03 Target field approach Open Radio-frequency (RF) coil Musculoskeletal MR imaging VARYING FLEXION ANGLES PHASED-ARRAY COIL REAL-TIME MRI INVERSE METHODOLOGY JOINT KINEMATICS SKELETAL-MUSCLE KNEE KINEMATICS HIGH-RESOLUTION IN-VIVO SHIM
	Integrated simulation of multi-stage hydraulic fracturing in unconventional reservoirs 期刊论文 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2016 Tang, Huiying; Winterfeld, Philip H.; Wu, Yu-Shu; Huang, Zhao-qin; Di, Yuan; Pan, Zhengfu; Zhang, Juncheng 收藏 \| 浏览/下载：2/0 \| 提交时间：2017/12/03 Hydraulic fracturing Thermal-hydro-mechanical coupling Proppant transport Wellbore modeling DDM SHALE-GAS WELLS PERFORATION CLUSTERS HORIZONTAL WELLS PROPAGATION MECHANISMS IMPACTS FAULTS SHEAR PIPE FLOW
	Dynamic performance-based automatic generation control unit allocation with frequency sensitivity identification 期刊论文 INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, 2016 Zhang, Jingyi; Lu, Chao; Song, Jie 收藏 \| 浏览/下载：6/0 \| 提交时间：2017/12/03 frequency sensitivity performance-based regulation AGC online identification ELECTRICITY MARKETS OPTIMIZATION AGC
	*Evaluation of renal oxygenation change under the influence of carbogen breathing using a dynamic R-2, R-2 and R-2 quantification approach** 期刊论文 NMR IN BIOMEDICINE, 2016 Wang, Chengyan; Zhao, Kai; Zhang, Rui; Jiang, Li; Wang, Rui; Zhang, Xiaodong; Wang, He; Jin, Lixin; Zhang, Jue; Wang, Xiaoying; Fang, Jing 收藏 \| 浏览/下载：3/0 \| 提交时间：2017/12/04 carbogen breathing dynamic R-2 R-2 R-2* measurements relaxation rate renal oxygenation HUMAN RENOVASCULAR DISEASE ACUTE KIDNEY INJURY BOLD-MRI MEDULLARY OXYGENATION VASCULAR ARCHITECTURE DIABETIC-NEPHROPATHY HYPOXIA ADAPTATION RAT PERFUSION FAILURE
	A fully coupled thermo-hydro-mechanical, three-dimensional model for hydraulic stimulation treatments 期刊论文 JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2016 Li, Sanbai; Li, Xiang; Zhang, Dongxiao 收藏 \| 浏览/下载：2/0 \| 提交时间：2017/12/04 Thermoporoelasticity Hydraulic fracturing MPFA-L Anisotropic media Multi-fracture propagation Thermal stress RESERVOIR SIMULATION NUMERICAL-SIMULATION BIOT CONSOLIDATION FLUID-FLOW GEOMECHANICS INJECTION VOLUME ROCK DEFORMATION PRESSURE

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