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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2019     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 Development of a Spherical Vacuum Window for Cryogenic Receiver 会议论文 Hangzhou, China, December 3, 2018 - December 6, 2018 作者:  Ma, Jun;  Xie, Lei;  Wu, Yang;  Wang, Kai;  Meng, Zeyu 收藏  |  浏览/下载：58/0  |  提交时间：2019/12/18 Antenna feeders  Cryogenics  Directional patterns (antenna)  Polymethyl methacrylates  Radio telescopes  Receivers (containers)   Compact UWB FSS reflector for antenna gain enhancement 期刊论文 2019, 卷号: 13, 页码: 1749-1755 作者:  Yuan, Yanning;  Xi, Xiaoli;  Zhao, Yuchen 收藏  |  浏览/下载：19/0  |  提交时间：2019/12/20 frequency selective surfaces  reflector antennas  ultra wideband antennas  equivalent circuits  antenna radiation patterns  dielectric devices  branch loading method  traditional FSS  antenna gain enhancement application  equivalent circuit model  UWB antenna  constant gain  reflector size  gain variation  compact UWB FSS reflector  UWB frequency range  compact ultra-wideband frequency selective surface reflectors  single-layer dielectric slab  size 8  25 mm  size 6  25 mm  gain 0  5 dB   Compact slot antenna with enhanced band-edge selectivity and switchable band-notched functions for UWB applications 期刊论文 2019, 卷号: 13, 页码: 982-990 作者:  Yang, Hailong;  Xi, Xiaoli;  Zhao, Yuchen;  Tan, Yumeng;  Yuan, Yanning 收藏  |  浏览/下载：22/0  |  提交时间：2019/12/20 microstrip antennas  ultra wideband antennas  impedance matching  defected ground structures  microwave antennas  antenna radiation patterns  band-pass filters  slot antennas  antenna feeds  compact slot antenna  enhanced band-edge selectivity  switchable band-notched functions  reconfigurable stepped slot  switchable band-notched characteristic  out-of-band rejection  defected ground structure  DGS  parasitic slot  good cut-off property  excellent selectivity  notched band  passive str   Wideband horn antenna based on multi-substrate layer technology 期刊论文 ELECTRONICS LETTERS, 2019, 卷号: 55, 页码: 5-6 作者:  Yao, Xianxun;  Sun, Guolin 收藏  |  浏览/下载：17/0  |  提交时间：2019/12/30 ridge waveguides  broadband antennas  microstrip lines  antenna radiation patterns  antenna feeds  horn antennas  printed circuits  microstrip antennas  coplanar waveguides  wideband horn antenna  multisubstrate layer technology  metal horn antenna  CPWG  active elements  multisubstrate PCB technology  PCB layer  microstrip line  continuous structure  electric field  RF circuit  ridge waveguide  broad impedance bandwidth  coplanner waveguide with ground  radiation patterns  frequency 20