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浏览/检索结果: 共4条，第1-4条 帮助 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 Measuring the Deflection of the Vertical via Local Reference Point Surveying and Pointing Calibration of a VLBI Telescope: A Case Study at the Urumqi Station 期刊论文 EARTH AND SPACE SCIENCE, 2021, 卷号: 8, 期号: 10, 页码: 13 作者:  Zhang, Zhibin;  Ma, Xiaohui;  Sun, Zhongmiao;  Zhang, Ali;  Yuan, Ye 收藏  |  浏览/下载：14/0  |  提交时间：2022/01/17 VLBI  deflection of the vertical  reference point  axis-related errors  axis offset   Design and analysis of performance of FSO communication system based on partially coherent beams 期刊论文 OPTICS COMMUNICATIONS, 2020, 卷号: 472 作者:  Wu, Yan;  Mei, Haiping;  Dai, Congming;  Zhao, Fengmei;  Wei, Heli 收藏  |  浏览/下载：18/0  |  提交时间：2020/10/19 Free space optical communication  Partially coherent beams  Exponentiated Weibull turbulence  Generalized pointing errors  System performance parameters   Design of modified atmospheric laser communication PPM modulation-demodulation system 期刊论文 Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology, 2016, 卷号: 48, 期号: 5 作者:  Ma, S.;  Z. Wu;  S. Gao;  T. Geng and J. Wu 收藏  |  浏览/下载：20/0  |  提交时间：2017/09/11 New Explorations on Cannon's Contributions and Generalized Solutions for Uniform Linear Motion Blur Identification 期刊论文 JOURNAL OF COMPUTER SCIENCE AND TECHNOLOGY, 2012, 卷号: 27, 期号: 1, 页码: 174-186 作者:  Wang, Lu;  Zhang, Hong-Yan;  Peng, Si-Long 收藏  |  浏览/下载：7/0  |  提交时间：2015/08/12 Fourier amplitude spectrum phase  perpendicular relation  uniform linear motion  blur identification  quasi-cepstrum