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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 A modified carrier-to-code leveling method for retrieving ionospheric observables and detecting short-term temporal variability of receiver differential code biases. 期刊论文 Journal of Geodesy, 2019, 卷号: Vol.93 No.1, 页码: 19-28 作者:  Zhang, Baocheng;  Teunissen, Peter J. G.;  Yuan, Yunbin;  Zhang, Xiao;  Li, Min 收藏  |  浏览/下载：14/0  |  提交时间：2019/12/13 IMAGE  retrieval  *IONOSPHERIC  observations  *GLOBAL  Positioning  System  *PARAMETER  estimation  *RECEIVING  antennas   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   Electrically Long Dipoles in a Crossed Pair for Closed-Form Estimation of an Incident Source's Polarization 期刊论文 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2019, 卷号: 67, 页码: 5569-5581 作者:  Khan, Salman;  Wong, Kainam Thomas 收藏  |  浏览/下载：15/0  |  提交时间：2019/12/30 Antenna arrays  aperture antennas  array signal processing  dipole antennas  directional antennas  microwave antennas  parameter estimation  polarization  polarization estimation  receiving antennas  signal processing antennas  statistical signal processing   Improved Calibration Technique for Quasi-Monostatic Polarimetric Measurement System Using a Dihedral as the Calibration Reference 期刊论文 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2019, 卷号: 67, 页码: 7040-7049 作者:  Wu, Pengfei;  Xu, Xiaojian 收藏  |  浏览/下载：17/0  |  提交时间：2019/12/30 Calibration  Antenna measurements  Geometry  Scattering  Receiving antennas  Measurement uncertainty  Transmitting antennas  Calibration  dihedral corner reflector  polarimetric calibration  quasi-monostatic  radar cross section (RCS)