咨询与建议

限定检索结果

文献类型

  • 11,073 篇 期刊文献
  • 263 篇 会议
  • 2 册 图书

馆藏范围

  • 11,338 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 6,686 篇 工学
    • 1,771 篇 电子科学与技术(可...
    • 1,228 篇 信息与通信工程
    • 1,219 篇 仪器科学与技术
    • 1,029 篇 计算机科学与技术...
    • 782 篇 材料科学与工程(可...
    • 659 篇 化学工程与技术
    • 634 篇 光学工程
    • 527 篇 软件工程
    • 513 篇 机械工程
    • 510 篇 控制科学与工程
    • 391 篇 力学(可授工学、理...
    • 308 篇 动力工程及工程热...
    • 231 篇 网络空间安全
    • 194 篇 电气工程
    • 189 篇 地质资源与地质工...
    • 172 篇 交通运输工程
    • 142 篇 土木工程
    • 132 篇 环境科学与工程(可...
    • 121 篇 核科学与技术
    • 115 篇 水利工程
  • 4,285 篇 理学
    • 1,746 篇 物理学
    • 1,183 篇 数学
    • 457 篇 生物学
    • 417 篇 化学
    • 138 篇 地球物理学
    • 135 篇 天文学
  • 1,261 篇 医学
    • 1,002 篇 临床医学
  • 698 篇 管理学
    • 609 篇 管理科学与工程(可...
  • 457 篇 农学
    • 214 篇 作物学
  • 202 篇 经济学
    • 184 篇 应用经济学
  • 161 篇 文学
  • 123 篇 军事学
  • 101 篇 艺术学
  • 89 篇 法学
  • 63 篇 教育学
  • 17 篇 哲学
  • 16 篇 历史学

主题

  • 111 篇 deep learning
  • 70 篇 system
  • 67 篇 analysis
  • 60 篇 media
  • 58 篇 cancer
  • 57 篇 internet of thin...
  • 54 篇 of
  • 52 篇 network
  • 46 篇 method
  • 41 篇 simulation
  • 39 篇 oxygen reduction...
  • 39 篇 detection
  • 38 篇 covid-19
  • 37 篇 5g
  • 36 篇 polarization
  • 36 篇 optimization
  • 33 篇 scattering
  • 32 篇 hydrogen evoluti...
  • 31 篇 routing
  • 31 篇 image

机构

  • 195 篇 university of ch...
  • 81 篇 china merchants ...
  • 80 篇 national mobile ...
  • 64 篇 school of inform...
  • 43 篇 guangdong provin...
  • 39 篇 state key labora...
  • 38 篇 china mobile res...
  • 37 篇 institute of the...
  • 36 篇 institute of mod...
  • 34 篇 institute of ato...
  • 32 篇 institute of com...
  • 32 篇 shanghai institu...
  • 30 篇 center of materi...
  • 30 篇 state key labora...
  • 30 篇 peng cheng labor...
  • 29 篇 institute of the...
  • 26 篇 department of co...
  • 25 篇 institute of hig...
  • 25 篇 institute of app...
  • 24 篇 institute of hig...

作者

  • 36 篇 el-sayed m.el-ke...
  • 33 篇 yang yang
  • 27 篇 wei li
  • 19 篇 jun wang
  • 19 篇 abdelaziz a.abde...
  • 18 篇 ming li
  • 18 篇 hao zhang
  • 18 篇 ma wei-xing
  • 16 篇 lei wang
  • 16 篇 ming lei
  • 15 篇 jun ma
  • 15 篇 li li
  • 14 篇 jian wang
  • 14 篇 li zhang
  • 14 篇 tao zhang
  • 13 篇 bo ai
  • 13 篇 jun zhang
  • 13 篇 wei liu
  • 13 篇 kun xu
  • 13 篇 jing wang

语言

  • 10,243 篇 英文
  • 1,094 篇 中文
  • 1 篇 法文
检索条件"机构=Institute of Media and Communications"
11338 条 记 录,以下是71-80 订阅
排序:
Study of FSK/IM orthogonal modulation system with optical Manchester-coded payload
收藏 引用
Chinese Optics Letters 2010年 第5期8卷 464-467页
作者: 周锐 忻向军 张琦 赵堃 赵同刚 余重秀 institute of Information Photonics and Optical communications Beijing University of Posts and Telecommunications
We study the performance of an orthogonal modulation system with frequency-shift keying(FSK) label and optical Manchester-coded(MC) *** result shows that by introducing an optical MC payload,the available extincti... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Improving Attitude toward Corporate Strategy with Visual Mapping: Scale Development and Application in Europe and China
收藏 引用
Frontiers of Business Research in China 2014年 第4期8卷 480-499页
作者: Sabrina Bresciani Jianxin Ge Yam Niu institute of media and communications Management University of St. Gallen Switzerland Business School Central University of Finance and Economics Beijing 100081 China
Companies operating across borders face greater challenges in ensuring compliance with company strategy in different cultural contexts. Recent research shows the cognitive and emotional benefits of utilizing visual re... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Context-sensitiveWeb service discovery over the bipartite graph model
收藏 引用
Frontiers of Computer Science 2013年 第6期7卷 875-893页
作者: Rong ZHANG Koji ZETTSU Yutaka KIDAWARA Yasushi KIYOKI Aoying ZHOU Software Engineering institute East China Normal University National institute of Information and communications Technology Keio University
As service oriented architecture(SOA)matures,service consumption demand leads to an urgent requirement for service *** Web documents,services are intended to be executed to achieve objectives and/or desired goals of *... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
DBD plasma assisted atomic layer deposition alumina barrier layer on self-degradation polylactic acid film surface
收藏 引用
Plasma Science and Technology 2019年 第1期21卷 72-78页
作者: Haiying WEI Hongge GUO Meili ZHOU Lei YUE Qiang CHEN Beijing institute of Graphic Communication Qi Lu University of Technology institute of Shandong Art Shandong Communication & media College
In this work, the plastic of polylatic acid(PLA) film is coated by alumina(Al_2O_3)through dielectric barrier discharge plasma assisted atomic layer deposition(DBD PA-ALD) for the proposal of the barrier property enha... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Microdynamic modulation through Pt–O–Ni proton and electron “superhighway” for pH-universal hydrogen evolution
收藏 引用
Journal of Energy Chemistry 2025年 第2期101卷 808-815页
作者: Dewen Wang Yuting Chen Bohan Yao Tian Meng Yanchao Xu Dongxu Jiao Zhicai Xing Xiurong Yang State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences University of Science and Technology of China Department of Chemistry Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Energy Materials for Electric Power Southern University of Science and Technology State Key Laboratory of Automotive Simulation and Control School of Materials Science and Engineering Jilin University
Optimizing the microdynamics in alkaline and neutral conditions is a significant but challenging task in developing pH-universal hydrogen evolution(HER) ***,a unique Pt-O-Ni bridge has been constructed to alter the ... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Pentago SnW: An Improved Spray and Wait Protocol for Delay Tolerant Wireless Sensor Networks
收藏 引用
China communications 2025年 第03期 104-114页
作者: Idris Afzal Shah Mushtaq Ahmed Raghavendra Singh Department of Computer Science and Engineering Malaviya National Institute of Technology
Delay tolerant wireless sensor networks(DTWSN) is a class of wireless network that finds its deployment in those application scenarios which demand for high packet delivery ratio while maintaining minimal overhead in ...
来源: 同方期刊数据库 同方期刊数据库 评论
Fabrication and characterization of novel high-speed In GaAs/InP uni-traveling-carrier photodetector for high responsivity
收藏 引用
Chinese Physics B 2015年 第10期24卷 612-616页
作者: 陈庆涛 黄永清 费嘉瑞 段晓峰 刘凯 刘锋 康超 汪君楚 房文敬 任晓敏 institute of Information Photonics and Optical communications Beijing University of Posts and Telecommunications(BUPT) State Key Laboratory of Information Photonics and Optical communications(BUPT)
A top-illuminated circular mesa uni-traveling-carrier photodetector(UTC-PD) is proposed in this paper. By employing Gaussian graded doping in In Ga As absorption layer and In P depleted layer, the responsivity and h... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Defect reduction in GaAs/Si film with InAs quantum-dot dislocation filter grown by metalorganic chemical vapor deposition
收藏 引用
Chinese Physics B 2015年 第2期24卷 449-452页
作者: 王俊 胡海洋 邓灿 贺云瑞 王琦 段晓峰 黄永清 任晓敏 institute of Information Photonics and Optical communications Beijing University of Posts and Telecommunications(BUPT)State Key Laboratory of Information Photonics and Optical Communications(BUPT)
The growth of GaAs epilayers on silicon substrates with multiple layers of InAs quantum dots(QDs) as dislocation filters by metalorganic chemical vapor deposition(MOCVD) is investigated in *** growth conditions of... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Advances in broadband wireless communications under high-mobility scenarios
收藏 引用
Chinese Science Bulletin 2014年 第35期59卷 4974-4975页
作者: Pingzhi Fan institute of Mobile communications Southwest Jiaotong University
未来活动通讯系统瞄准提供很高的数据传播率,甚至在象高速度的车轮轨道火车,磁悬浮火车火车,高速公路车辆,飞机,指导导弹或太空船那样的高活动性的情形。一个特别地重要的商业应用程序是对高速度的宽带的强壮、增加的世界范围的要... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
ROLS-AWS algorithm used in RBF neural network for multi-user detection
收藏 引用
Journal of Harbin institute of Technology(New Series) 2008年 第4期15卷 553-557页
作者: 王永建 赵洪林 The Research Center on communications Harbin Institute of Technology
To improve the computational speed, the ROLS-AWS algorithm was employed in the RBF based MUD receiver. The radial basis function was introduced into the multi-user detection (MUD) firstly. Then a three-layer neural ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论