Ionosphere Correction Algorithm for P-band Spaceborne SAR Imaging

被引：0
|
作者：
Zhou, Fang [1 ]
Yang, Xue-zhi [1 ]
Sun, Guang-cai [2 ]
Xing, Meng-dao [2 ]
机构：
[1] Hefei Univ Technol, Sch Comp & Informat, Hefei, Peoples R China
[2] Xidian Univ, Natl Key Lab Radar Signal Proc, Xian, Peoples R China
来源：
2015 IEEE 5TH ASIA-PACIFIC CONFERENCE ON SYNTHETIC APERTURE RADAR (APSAR) | 2015年
关键词：
SAR; Radar Imaging; Ionospheric Effects; Total Electron Content (TEC); SYNTHETIC-APERTURE RADAR;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The ionospheric effects can be a significant source of phase error in the P-band spaceborne Synthetic Aperture Radar (SAR) signal, causing a degeneration of the image quality. We analyze the background ionospheric effects on spaceborne SAR through modeling and simulation, and give the qualitative and quantitative analysis based on the spatiotemporal variability of ionosphere. A novel ionosphere correction algorithm (ICA) is proposed to deal with the ionospheric effects on the P-band spaceborne SAR imaging. With the proposed algorithm, the degradation of image quality caused by the ionosphere is corrected. The simulation results confirm the validity of the proposed algorithm.
引用
收藏
页码：717 / 719
页数：3
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