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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：2018     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 Far-field boundary estimation for the high-power UWB pulsed antennas 期刊论文 IET MICROWAVES ANTENNAS & PROPAGATION, 2018, 卷号: 12, 页码: 2199-2205 作者:  Wang, Shao-fei;  Xie, Yan-zhao 收藏  |  浏览/下载：10/0  |  提交时间：2019/11/26 high-power UWB pulsed antennas  phase difference  time-domain parameter  radiating field  ultra wideband antennas  reflector antennas  radiation element distribution  radiation space  energy edge frequencies  time difference  characteristic parameters  high-power ultra-wideband pulsed antennas  reflector IRA system  antenna radiation patterns  electromagnetic pulse  universal far-field condition  electric field measurement  reflector impulse radiating antenna system  cut-off frequencies  far-field boundary estimation   Dual-resonance-based wideband antenna for integrated module applications 期刊论文 ELECTRONICS LETTERS, 2018, 卷号: 54, 期号: 8 作者:  Qu, Longyue;  Piao, Haiyan;  Qu, Yunhao;  Kim, Hyung-Hoon;  Kim, Hyeongdong 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/05 broadband antennas  loop antennas  dual-resonance-based wideband antenna  integrated module applications  small ground radiation antenna  parasitic radiation loop  evaluation board  exciter  space-saving antenna  resonant frequencies  voltage standing wave ratio  bandwidth 270 MHz   Modeling and intensity analysis of GNSS signal link for high-orbit spacecraft [高轨航天器GNSS信号传播链路建模与强度分析] 期刊论文 Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics, 2018, 卷号: 44, 页码: 1496-1503 作者:  Chai, J.;  Wang, X.;  Yu, N.;  Wang, D.;  Li, Q. 收藏  |  浏览/下载：8/0  |  提交时间：2019/12/30 Antennas  Availability  Communication satellites  Orbits  Satellites  Sensitivity analysis  Signal analysis  Signal receivers  Space flight  Engineering applications  Global Navigation Satellite Systems  High-orbit spacecraft  Intensity distribution  Link characteristics  Link model  Signal intensity distribution  Transmitting antenna  Global positioning system   Two Dimensional Image Formation of Interrupted FMCW SAR Through Spectral Analysis 会议论文 2018 China International SAR Symposium, CISS 2018 - Proceedings 作者:  Ahmed, N.;  Sun, B.;  Chen, J. 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/30 Antennas  Computerized tomography  Frequency modulation  Image analysis  Image processing  Radar imaging  Space-based radar  Spectrum analysis  All-pole modeling  Frequency-modulated continuous waves  interrupted-FMCW  Single antenna  Space-borne SAR  Spaceborne synthetic aperture radars  Spectral analysis method  Two dimensional images  Synthetic aperture radar