Transionospheric Synthetic Aperture Radar Observation: A comprehensive review

被引：2
|
作者：
Ji, Yifei [1 ]
Dong, Zhen [1 ]
Zhang, Yongsheng [1 ]
Wang, Cheng [2 ]
Hu, Cheng [3 ]
Xu, Zhengwen [4 ]
机构：
[1] NUDT, Coll Elect Sci & Technol, Changsha 410073, Peoples R China
[2] China Acad Space Technol CAST, Qian Xuesen Lab Space Technol, Beijing 100094, Peoples R China
[3] Univ Birmingham, Birmingham, England
[4] China Res Inst Radiowave Propagat CRIRP, Natl Key Lab Electromagnet Environm, Qingdao 266107, Peoples R China
来源：
IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE | 2024年
基金：
中国国家自然科学基金;
关键词：
Synthetic aperture radar; L-band; Spaceborne radar; Reviews; Ionosphere; Electrons; Satellites; ANISOTROPIC IONOSPHERIC IRREGULARITIES; PHASE GRADIENT AUTOFOCUS; SAR IMAGING DEGRADATION; FARADAY-ROTATION; SPACEBORNE SAR; PERFORMANCE ANALYSIS; POLARIMETRIC DISPERSION; TEC RETRIEVAL; INSAR DATA; SCINTILLATION;
D O I：
10.1109/MGRS.2024.3454635
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The ionosphere is the Earth's upper atmosphere with sufficiently charged particles that influence the electromagnetic wave propagation, thereby impeding spaceborne synthetic aperture radar (SAR) observations. High precision imaging and the measurements of geographic and geophysical processes using interferometric SAR (InSAR) and polarimetric SAR (Pol-SAR) are hampered. This study presents a detailed and comprehensive review of the research on ionospheric effects on SAR, InSAR, and Pol-SAR, their correction approaches, and reverse guidance for ionospheric sounding. The prospect is raised at the end of the paper, and the ionosphere will continue to be a research hotspot in the remote sensing community due to the development of low-frequency SAR satellites. In addition, applying spaceborne SAR to ionospheric sounding is a promising issue for space weather and geospace physics due to high spatiotemporal resolution and abundant parameter information.
引用
收藏
页码：2 / 43
页数：42
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