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| Effects of Ionospheric Environment on Earth-Space Information Systems |
| Received:April 28, 2017 Revised:July 15, 2017 |
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| DOI：10.7643/ issn.1672-9242.2017.07.002 |
| KeyWord:ionosphere total electron content satellite communication global navigation satellite system synthetic aperture radar |
| Author | Institution |
| FENG Jian |
1.School of Physics and Optoelectronic Engineering, Xidian University, Xi’an , China;2.China Research Institute of Radiowave Propagation, Qingdao , China |
| ZHEN Wei-min |
China Research Institute of Radiowave Propagation, Qingdao , China |
| LIU Dun |
China Research Institute of Radiowave Propagation, Qingdao , China |
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| Abstract: |
| Objective To mitigate effects of ionosphere on satellite communication, Global Navigation Satellite System (GNSS) and space-based Synthetic Aperture Radar (SAR) and improve the environmental suitability of the system. Methods Based on propagation principles of radio-wave which travels through the ionosphere, and the mechanism of the various systems, analysis methods of ionospheric effects were given. Results Solutions for compensation and mitigation were give in allusion to that ionospheric scintillation, Faraday Rotation, time delay and dispersion would raise the error rate of satellite communication, increase the positioning error of GNSS, lead to the excursion of SAR image and degradation of resolution. Conclusion The effect of ionospheric delay can be corrected by observation or ionospheric models. However, the effect of scintillation can only be mitigated through some avoiding methods. |
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