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浏览/检索结果: 共10条，第1-10条 帮助 限定条件 发表日期：2016    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 USING GPS SNR DATA TO ESTIMATE SOIL MOISTURE VARIATIONS: PROPOSING A NEW INTERFERENCE MODEL 其他 2016-01-01 Peng, Xuefeng; Wan, Wei; Chen, Xiuwan 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 GNSS-R  SNR  interference  soil moisture  topography  REFLECTOMETRY   Ultrathin flat parabolic reflector based on gradient metasurface 其他 2016-01-01 Ma, Wei; Jia, Delin; Yu, Xiaomei; Feng, Yun; Zhao, Yuejin 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 ULTRATHIN FLAT PARABOLIC REFLECTOR BASED ON GRADIENT METASURFACE 其他 2016-01-01 Ma, Wei; Jia, Delin; Yu, Xiaomei; Feng, Yun; Zhao, Yuejin 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 BROAD-BAND  PLASMONIC METASURFACES  LENS  WAVELENGTHS  EFFICIENT   Reflective gradient metasurfaces for polarization-independent light focusing at normal or oblique incidence 期刊论文 APPLIED PHYSICS LETTERS, 2016 Ma, Wei; Jia, Delin; Yu, Xiaomei; Feng, Yun; Zhao, Yuejin 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 BROAD-BAND  PLASMONIC METASURFACES  WAVE PLATES  LENS  EFFICIENT  INDEX  WAVELENGTHS  REFRACTION   The Transmission Characteristics of Asymmetrical Multi-Teeth-Shaped Plasmonic Waveguide Structure 期刊论文 IEEE PHOTONICS TECHNOLOGY LETTERS, 2016 Wang, Hongqing; Yang, Junbo; Wu, Wenjun; Huang, Jie; Zhang, Jingjing; Yan, Peng; Chen, Dingbo; Xiao, Gongli 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Surface plasmon polaritons  teeth-shaped waveguide  metal-insulator-metal structure  filter  BRAGG REFLECTOR  SLOT CAVITIES  FILTER  POLARITONS   THz Broadband Quasi-Optical Mode Converter Antenna System 其他 2016-01-01 Du, Chao-Hai; Pan, Shi; Liu, Pu-Kun 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 THz  Quasi-Optical  coherent radiation  gyrotrons  TUNABLE GYROTRON  HIGH-POWER  DESIGN   Theoretical Study of a Broadband Quasi-Optical Mode Converter for Pulse Gyrotron Devices 期刊论文 IEEE TRANSACTIONS ON PLASMA SCIENCE, 2016 Du, Chao-Hai; Qi, Xiang-Bo; Liu, Pu-Kun 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Coherent radiation  gyrotrons  quasi-optical (QO)  terahertz  COAXIAL-CAVITY GYROTRON  HIGH-POWER  TUNABLE GYROTRON  OSCILLATOR  OPERATION  LAUNCHERS  DESIGN  SYSTEM  GHZ   Evaluation of the efficiency of dual compound parabolic and involute concentrator 期刊论文 ENERGY FOR SUSTAINABLE DEVELOPMENT, 2016 Ustaoglu, Abid; Okajima, Junnosuke; Zhang, Xin-Rong; Maruyama, Shigenao 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Compound parabolic reflector  Involute reflector  Evacuated tube  Ray tracing  Dual concentrator  Seasonal performance  PLATE SOLAR COLLECTOR  HEAT-LOSS  CPC  PERFORMANCE  REFLECTOR  RADIATION  ABSORBERS  EMISSION  LOSSES  DESIGN   Performance evaluation of a nonimaging solar concentrator in terms of optical and thermal characteristics 期刊论文 ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY, 2016 Ustaoglu, Abid; Okajima, Junnosuke; Zhang, Xin-Rong; Maruyama, Shigenao 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 compound parabolic concentrator  involute reflector  evacuated tube  ray tracing  uniform temperature distribution  solar collector  FLAT-PLATE  COLLECTORS  REFLECTOR  DESIGN  TUBE  LOSSES  GAPS   Multiworking Electrode Flexible Fiber-Type Quantum Dot-Sensitized Solar Cells 期刊论文 IEEE JOURNAL OF PHOTOVOLTAICS, 2016 Liu, Huan; Zhang, Gengmin; Liang, Jia; Li, Jia; Yang, Jin; Wei, Jindi; Sun, Wentao; Shen, Ziyong 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/04 Flexible  multiple working electrodes  quantum dot-sensitized solar cell  simultaneous light harvesting from all directions  ZnO nanorod  TIO2 NANOTUBE ARRAYS  PHOTOELECTROCHEMICAL CELLS  ZNO NANOSTRUCTURES  PHOTOVOLTAIC CELLS  ENERGY-CONVERSION  NANOROD ARRAYS  ANATASE TIO2  LOW-COST  DYE  CDS