QQ客服 官方微博 反馈留言

浏览/检索结果: 共14条，第1-10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    发表日期：2014     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Spinel Li4-2xCo3xTi5-xO12 (0 <= x <= 0.5) for Lithium-Ion Batteries: Crystal Structures, Material Properties, and Battery Performances 期刊论文 journal of physical chemistry c, 2014 Lin, Chunfu; Lai, Man On; Lu, Li; Zhou, Henghui 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 LONG-TERM CYCLABILITY  HIGH-RATE CAPABILITY  RATE ANODE MATERIAL  SOL-GEL SYNTHESIS  ELECTROCHEMICAL PERFORMANCE  ELECTRICAL-PROPERTIES  LI4TI5O12 NANORODS  DOPED LI4TI5O12  STORAGE  CARBON   Few-Layer Graphene-Encapsulated Metal Nanoparticles for Surface-Enhanced Raman Spectroscopy 期刊论文 journal of physical chemistry c, 2014 Liu, Youming; Hu, Yue; Zhang, Jin 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 SILVER ELECTRODE  CHEMICAL ENHANCEMENT  AROMATIC-MOLECULES  SCATTERING  PYRIDINE  OXIDE  SERS  AG  INTENSITY  SUBSTRATE   Long-Term Frequency Stabilization of an Optoelectronic Oscillator Using Phase-Locked Loop 期刊论文 journal of lightwave technology, 2014 Zhang, Yaolin; Hou, Dong; Zhao, Jianye 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 Frequency stability  low phase noise  optoelectronic oscillator  phase-locked loop  proportional-integral-derivative (PID)  NOISE   Long-Term Stabilization of Fiber Laser Using Phase-Locking Technique With Ultra-Low Phase Noise and Phase Drift 期刊论文 ieee journal of selected topics in quantum electronics, 2014 Hou, Dong; Ning, Bo; Zhang, Shuangyou; Wu, Jiutao; Zhao, Jianye 收藏  |  浏览/下载：31/0  |  提交时间：2015/11/10 Modeling  mode-locked fiber laser (MLFL)  phase detection  phase-locking loop  stabilization  MODE-LOCKED LASERS  FREQUENCY-SYNTHESIS  RING LASER  SYNCHRONIZATION  SYSTEM  JITTER  CLOCK  COMBS  PULSE   Optimizing the Hierarchical Prediction and Coding in HEVC for Surveillance and Conference Videos With Background Modeling 期刊论文 ieee transactions on image processing, 2014 Zhang, Xianguo; Tian, Yonghong; Huang, Tiejun; Dong, Siwei; Gao, Wen 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 HEVC  hierarchical prediction  surveillance videos  conference videos  background modeling  CU classification  H.264/AVC  STANDARD   Interference Self-Coordination: A Proposal to Enhance Reliability of System-Level Information in OFDM-Based Mobile Networks via PCI Planning 期刊论文 ieee transactions on wireless communications, 2014 Yang, Hemin; Huang, Anpeng; Gao, Ruipeng; Chang, Tammy; Xie, Linzhen 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Interference self-coordination (ISC)  ICI (inter-cell interference)  PDCCH (physical downlink control channel)  PCI (physical cell identifier) planning  system-level information  PERFORMANCE  SCHEME   Background-Modeling-Based Adaptive Prediction for Surveillance Video Coding 期刊论文 ieee transactions on image processing, 2014 Zhang, Xianguo; Huang, Tiejun; Tian, Yonghong; Gao, Wen 收藏  |  浏览/下载：7/0  |  提交时间：2015/11/10 Surveillance video  background modeling  background difference  background reference  block classification  MOTION COMPENSATION  SUBTRACTION  FRAMES  EFFICIENCY  SEQUENCES  SELECTION   面向LTE-A的高性能低复杂度数字前端滤波器 期刊论文 微电子学与计算机, 2014 张永满; 梁利平; 管武; 吴俊东 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 LTE-A  LTE-A  frequency-response masking  FRM filter  narrow transition  low complexity  频率响应屏蔽技术  FRM滤波器  窄过渡带  低复杂度   Long-term Stabilization of Mode-locked Er-fiber Lasers with 1.2 fs timing jitter 其他 2014-01-01 Zhang, Shuangyou; Hou, Dong; Wu, Jiutao; Zhao, Jianye 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/17 Influence of meteorological factors on the atmospheric mercury measurement by a novel passive sampler 期刊论文 大气环境, 2014 Guo, Haoli; Lin, Huiming; Zhang, Wei; Deng, Chunyan; Wang, Huanhuan; Zhang, Qianggong; Shen, Yating; Wang, Xuejun 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 Passive sampler  Atmospheric mercury  Sampling rate  Meteorological factors  Exposure chamber  PERSISTENT ORGANIC POLLUTANTS  GASEOUS MERCURY  AIR SAMPLER  AMBIENT AIR  UNDERSTAND  EMISSIONS