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浏览/检索结果: 共9条，第1-9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 Efficient frequency-domain channel equalisation methods for OFDM/OQAM-PON with intensity modulation and direct detection 期刊论文 IET COMMUNICATIONS, 2017 Lin, Bangjiang; Tang, Xuan; Fang, Xi; Wu, Yi; Li, Hui 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 frequency-domain analysis  channel estimation  blind equalisers  OFDM modulation  quadrature amplitude modulation  passive optical networks  least mean squares methods  frequency-domain channel equalisation method  OFDM  OQAM  PON  intensity modulation  direct detection  frequency-domain channel estimation  adjacent subcarriers frequency-domain averaging  ASFA  minimum mean squared error  MMSE  orthogonal frequency division multiplexing-offset quadrature amplitude modulation  passive op  OFDM-PON  TRANSMISSION   Bounded perturbation resilience of projected scaled gradient methods 其他 2016-01-01 Jin, Wenma; Censor, Yair; Jiang, Ming 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Convex minimization problems  Proximity function  Projected scaled gradient  Superiorization  Bounded perturbation resilience  LINEAR COMPLEMENTARITY-PROBLEM  ITERATIVE IMAGE-RECONSTRUCTION  MATRIX SPLITTING ALGORITHM  EM ALGORITHM  OPTIMIZATION PROBLEMS  FEASIBILITY PROBLEMS  CONVERGENCE ANALYSIS  CONVEX-OPTIMIZATION  DESCENT METHODS  LEAST-SQUARES   Estimating Soil Organic Carbon of Cropland Soil at Different Levels of Soil Moisture Using VIS-NIR Spectroscopy 期刊论文 REMOTE SENSING, 2016 Jiang, Qinghu; Chen, Yiyun; Guo, Long; Fei, Teng; Qi, Kun 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 generalized least squares weighting  moisture correction  orthogonal signal correction  soil organic carbon  visible  near-infrared reflectance spectroscopy  NEAR-INFRARED-SPECTROSCOPY  DIFFUSE-REFLECTANCE SPECTROSCOPY  AGRICULTURAL SOILS  FIELD CONDITIONS  CENTRAL YANGTZE  LEAST-SQUARES  WATER CONTENT  SPECTRA  PREDICTION  QUANTIFICATION   Global Metabolic Regulation of the Snow Alga Chlamydomonas nivalis in Response to Nitrate or Phosphate Deprivation by a Metabolome Profile Analysis 期刊论文 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 2016 Lu, Na; Chen, Jun-Hui; Wei, Dong; Chen, Feng; Chen, Gu 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/04 Chlamydomonas nivalis  nutrient deprivation  metabolome profile  responding biomarker  GC/TOF-MS  OPLS-DA  BIOCHEMICAL-COMPOSITION  NITROGEN DEPRIVATION  MASS-SPECTROMETRY  NACL STRESS  REINHARDTII  LIMITATION  PHOTOSYNTHESIS  IDENTIFICATION  DEFICIENCY  MECHANISMS   High Precision Tri-axial MEMS Gyroscope Module based on Redundant Implementation and Sensor Fusion 其他 2016-01-01 Yan, Wei; Leng, Xiaowei; Wang, Zhenyu; Jin, Yufeng; Wang, Jack; Shi, Guangyi 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 Redundant configuration  Microelectronics mechanical systems  Fault detection  System reconstruction   Lipidomic profiling and discovery of lipid biomarkers in snow alga Chlamydomonas nivalis under salt stress 期刊论文 european journal of lipid science and technology, 2012 Lu, Na; Wei, Dong; Chen, Feng; Yang, Shang-Tian 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 Biomarker  Chlamydomonas nivalis  Lipidomic  Multivariate statistical analysis  Salt stress  UPLC  Q-TOF-MS  FLIGHT MASS-SPECTROMETRY  BETAINE LIPIDS  CHROMATOGRAPHY  PHOSPHOLIPIDS  METABOLISM  SALINITY  TIME  PHOTOSYNTHESIS  GLYCEROLIPIDS  BIOSYNTHESIS   Increase of ambient formaldehyde in Beijing and its implication for VOC reactivity 期刊论文 中国化学快报英文版, 2012 Zhang, Qian; Shao, Min; Li, Yang; Lu, Si Hua; Yuan, Bin; Chen, Wen Tai 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Formaldehyde  Satellite observations  Temporal variations  VOC reactivity   Statistical ranking and combinatorial Hodge theory 其他 2011-01-01 Jiang, Xiaoye; Lim, Lek-Heng; Yao, Yuan; Ye, Yinyu 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 Statistical ranking  Rank aggregation  Combinatorial Hodge theory  Discrete exterior calculus  Combinatorial Laplacian  Hodge Laplacian  Graph Helmholtzian  HodgeRank  Kemeny optimization  Borda count  EQUAL STANDARD DEVIATIONS  PAIRED COMPARISONS  LEAST-SQUARES  ALGORITHM   Two-stage local M-estimation of additive models 其他 2008-01-01 Jiang JianCheng; Li JianTao 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 local M-estimation  one-step approximation  orthogonal series estimator  two-stage  NONPARAMETRIC REGRESSION  POLYNOMIAL REGRESSION  ASYMPTOTIC PROPERTIES  SPLINES  BANDWIDTH