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浏览/检索结果: 共6条，第1-6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)   A simple yet effective approximation for directional antenna arrays 会议论文 24th Asia-Pacific Conference on Communications, APCC 2018, Ningbo, China, 2018-11-12 作者:  Wei, Haichao;  Deng, Na 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/02 Antenna arrays  Communication channels (information theory)  Directional patterns (antenna)  Millimeter waves, Antenna size  Asymptotic expressions  Cellular network  Coverage probabilities  Directional Antenna Arrays  Large-scale network  Millimeter-wave (mm-wave)  Nakagami fading, Directive antennas   Reduction of Mutual Coupling for Vivaldi Antennas 会议论文 2018 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2018, 2018-07-29 作者:  Ma, Z.;  Wu, Q. 收藏  |  浏览/下载：26/0  |  提交时间：2019/12/30 Antennas  Computational electromagnetics  Electric impedance  Characteristic modes  Impedance bandwidths  Low frequency range  Mutual coupling  Vivaldi antennas  Wireless systems  Directional patterns (antenna)   Simulation and experimental research of transmission characteristics of multi-modal oam antenna array based on vortex electromagnetic wave 会议论文 International Conference on Communication Technology Proceedings, ICCT, 2018-10-08 作者:  Yan, W.;  Zhang, Y.;  Wang, J.;  Liang, R.;  Tong, Y. 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/30 Angular momentum  Circular waveguides  Directional patterns (antenna)  Electromagnetic waves  Vortex flow  Array antennas  Experimental research  Isolation  Orbital angular momentum  Receiving arrays  Simulations and measurements  Transmission characteristics  Transmission performance  Antenna arrays   Design of 77GHz Differentially-Fed Antenna Array using Chebyshev Distribution 会议论文 2018 12th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2018 - Proceedings, 2018-12-03 作者:  Wang, Y.;  Zhang, Y.;  Dong, T.;  Yin, J.;  Wang, J. 收藏  |  浏览/下载：17/0  |  提交时间：2019/12/30 Antenna arrays  Bandwidth  Directional patterns (antenna)  Microwave antennas  Millimeter waves  Slot antennas  Antenna feeds  Center frequency  Chebyshev distribution  Coupled microstrip lines  Differentially-fed antennas  Mesh structures  Mm waves  Series-fed antennas  Antenna feeders   APPLICATION OF THE TIME MODULATED ARRAY IN SATELLITE COMMUNICATIONS 期刊论文 IEEE WIRELESS COMMUNICATIONS, 2019, 卷号: 26, 页码: 24-30 作者:  He, Chong;  Chen, Qun;  Cao, Anjie;  Chen, Jingfeng;  Jin, Ronghong 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/30 Beam forming networks  Beamforming  Directional patterns (antenna)  Satellite communication systems  Satellites  Adaptive Beamforming  Direction finding  Harmonic components  Mobile users  Multi beam systems  Pattern synthesis  Satellite communications  Time modulated arrays  Multibeam antennas