Compensation of Faraday rotation of PALSAR in China
Compensation of Faraday rotation of PALSAR in China
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- Author(s): C. Wang 1 ; W. Guo 1 ; H. Zhao 2 ; B. Liu 1 ; L. Chen 1
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View affiliations
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Affiliations:
1:
Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology , Beijing , China ;
2: National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation , Qingdao, Shandong , China
Source:
IET International Radar Conference (IET IRC 2020),
2021
p.
798 – 800
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Affiliations:
1:
Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology , Beijing , China ;
- Conference: IET International Radar Conference (IET IRC 2020)
- DOI: 10.1049/icp.2021.0734
- ISBN: 978-1-83953-540-6
- Location: Online Conference
- Conference date: 04-06 November 2020
- Format: PDF
Due to the electron density and the geomagnetic field within the ionosphere, full polarization space-borne SAR systems at L-band or lower frequencies, such as the Phased Array type L-band Synthetic Aperture Radar (PALSAR), will suffer the effect of Faraday rotation. The corresponding compensation therefore should be considered. In this paper, by using a series of the PALSAR data sets in different Chinese regions, compensation based on the scattering matrix shows better results than that from the Alaska Satellite Facility.
Inspec keywords: radar imaging; synthetic aperture radar; remote sensing by radar; spaceborne radar; electron density; Faraday effect
Subjects: Radar equipment, systems and applications; Instrumentation and techniques for geophysical, hydrospheric and lower atmosphere research; Optical, image and video signal processing; Data and information; acquisition, processing, storage and dissemination in geophysics; Geophysical techniques and equipment