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浏览/检索结果: 共23条，第1-10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 Observational study of daytime ionospheric irregularities associated with typhoon 期刊论文 science china technological sciences, 2012 Xiao SaiGuan; Shi JianKui; Zhang DongHe; Hao YongQiang; Huang WeiQuan 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 ionospheric irregularity  spread-F  daytime  typhoon  F-LIKE IRREGULARITIES  GRAVITY-WAVES  SPREAD-F  JICAMARCA   Red-luminescence enhancement of ZrO2-based phosphor by codoping Eu3+ and M5+ (M = Nb, Ta) 期刊论文 optical materials, 2012 Yin, Xin; Wang, Yaoming; Wan, Dongyun; Huang, Fuqiang; Yao, Jiyong 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 Crystal phase  Charge compensation  Quantum efficiency  Luminescence film  STRUCTURAL-PROPERTIES  CRYSTAL STRUCTURE  UP-CONVERSION  PHOTOLUMINESCENCE  ZIRCONIA  NANOCRYSTALS  EFFICIENCY  CHARGE  ZRO2  ION   A digital receiver module with direct data acquisition for magnetic resonance imaging systems 期刊论文 review of scientific instruments, 2012 Tang, Weinan; Sun, Hongyu; Wang, Weimin 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 MRI  NMR  SPECTROMETER   Sampling Frequency Offset Estimation for Pilot-Aided OFDM Systems in Mobile Environment 期刊论文 wireless personal communications, 2012 Wu, Yiling; Zhao, Yuping; Li, Dou 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/10 Sampling frequency offset (SFO)  Pilot-aided OFDM  Time-varying channel  Low SNR  Large residual carrier frequency offset (CFO)  MULTIPATH-FADING CHANNELS   Fabrication and characteristics of ZnO thin films deposited by RF sputtering on plastic substrates for flexible display 期刊论文 science china information sciences, 2012 Han DeDong; Wang Yi; Zhang ShengDong; Sun Lei; Han RuQi; Matsumoto, Satoru; Ino, Yuji 收藏  |  浏览/下载：1/0  |  提交时间：2015/11/10 ZnO thin film  sputtering  plastic substrate  flexible display  room temperature process  CHEMICAL-VAPOR-DEPOSITION  ROOM-TEMPERATURE  TRANSISTORS  METAL   Demonstration of an excited-state Faraday anomalous dispersion optical filter at 1529 nm by use of an electrodeless discharge rubidium vapor lamp 期刊论文 应用物理学快报, 2012 Sun, Qinqing; Hong, Yelong; Zhuang, Wei; Liu, Zhiwen; Chen, Jingbiao 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/10 DIODE-LASER  HYPERFINE-STRUCTURE  FREQUENCY STANDARD  RB  ABSORPTION  SYSTEM  ATOMS   Graphene-based ambipolar electronics for radio frequency applications 期刊论文 科学通报 英文版, 2012 Wang ZhenXing; Zhang ZhiYong; Peng LianMao 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 graphene  radio frequency  field-effect transistor  ambipolar electronics  high-kappa dielectrics  FIELD-EFFECT TRANSISTORS  ATOMIC LAYER DEPOSITION  CARBON-BASED ELECTRONICS  EPITAXIAL-GRAPHENE  CURRENT SATURATION  BAND-GAP  NANOTUBES  GATE  PERFORMANCE  TRANSPORT   Rapdos: A RFID authentication protocol for defending against DoS 其他 2012-01-01 Wang, Zhao; Zhang, Xuesong; Chen, Zhong 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/17 Phase fluctuation compensation for long-term transfer of stable radio frequency over fiber link 期刊论文 光学快报, 2012 Ning, Bo; Du, Peng; Hou, Dong; Zhao, Jianye 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 OPTICAL FREQUENCY  HIGH-STABILITY  LASER  STABILIZATION  SYNCHRONIZATION  NETWORK  JITTER  COMB  TIME   Comparison of DSB and SSB Transmission for OFDM-PON [Invited] 期刊论文 journal of optical communications and networking, 2012 Lin, Bangjiang; Li, Juhao; Yang, Hui; Wan, Yangsha; He, Yongqi; Chen, Zhangyuan 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 Double-sideband modulation  Optical fiber communication  Orthogonal frequency division multiplexing  Passive optical network  PASSIVE OPTICAL NETWORKS  CHROMATIC-DISPERSION  FIBER  QAM  GB/S  HOME