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Impacts of ionospheric scintillation on geosynchronous SAR focusing: preliminary experiments and analysis

电离层闪烁对地球同步轨道合成孔径雷达聚焦的影响: 初步的实验和分析

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创新点

地球同步轨道合成孔径雷达工作在L波段, 轨道较高, 成像过程极易受到电离层闪烁的影响。

本文考虑到上述问题, 设计了基于GPS系统实测电离层闪烁数据的GEO SAR点目标和面目标成像仿真实验, 并对方位向成像质量进行评估。

实验结果表明电离层闪烁主要使GEO SAR成像目标的方位向积分旁瓣比严重下降, 同时使GEO SAR图像模糊并含有沿方位向分布的条纹, 但对成像目标方位向分辨率和峰值旁瓣比的影响较小。

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Authors and Affiliations

  1. Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing Institute of Technology, Beijing, 100081, China

    YuanHao Li, Cheng Hu, XiChao Dong, WeiMing Tian & Teng Long

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  1. YuanHao Li
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  2. Cheng Hu
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  3. XiChao Dong
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  4. WeiMing Tian
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  5. Teng Long
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Correspondence to Cheng Hu.

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Li, Y., Hu, C., Dong, X. et al. Impacts of ionospheric scintillation on geosynchronous SAR focusing: preliminary experiments and analysis. Sci. China Inf. Sci. 58, 1–3 (2015). https://doi.org/10.1007/s11432-015-5380-0

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  • DOI: https://doi.org/10.1007/s11432-015-5380-0

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