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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2015-07-06
Equivalent Verification of the Effect of the Ionospheric Faraday Rotation on GEO SAR Imaging by Ferrite
By
Wei-Mei Li,

    Dr. Wei-Mei Li

    Xidian University

    China

    Homepage

Bo Liu,

    Dr. Bo Liu

    China Academy of Space Technology (Xi’an)

    China

    Homepage

Hong-Yi Zhao

    Dr. Hong-Yi Zhao

    China Academy of Space Technology

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 54, 33-38, 2015
doi:10.2528/PIERL15051404 | Google Scholar

Abstract
In Geosynchronous earth orbit synthetic aperture radar (GEO SAR) working system, the radar signal travelling through the atmosphere is sensitive to the ionosphere. One of the effects is the Faraday rotation under geomagnetic field, which is similar to the phenomenon when the signal traveling through a ferrite medium. So based on the theoretical inference, we semi-physically simulate Faraday rotation of the ionosphere with that of the ferrite in the ground, which is one of the experiments of the ground railway prototype testing for GEO SAR system. The measurements of a mountain without ionospheric Faraday rotation and under the equivalent Faraday rotation of ionosphere are given experimentally. Imaging studies show that the influence of the ionosphere Faraday rotation on the distributed targets imaging is not visually obvious. Our work provides experimental basis for the GEO SAR to successfully image on the satellite.
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Citation
Wei-Mei Li, Bo Liu, and Hong-Yi Zhao, "Equivalent Verification of the Effect of the Ionospheric Faraday Rotation on GEO SAR Imaging by Ferrite," Progress In Electromagnetics Research Letters, Vol. 54, 33-38, 2015.
doi:10.2528/PIERL15051404
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