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Abstract

Synthetic aperture radar (SAR) is a powerful technology for measuring the change of earth surface and man-made structure. In order to monitor the safety status of transmission line and electric wire under the condition of natural disasters, this paper has studied a simulation method of high resolution synthetic aperture radar image for the South-to-North transmission line, for the identification of transmission line. The spatial distribution characteristics of transmission lines are analyzed, and spatial model of transmission lines is selected and constructed. It is able to extract the characteristics of transmission line in SAR image. The SAR radiation model of transmission line is built based on backscattering technology of spaceborne SAR image and the characteristics of transmission line’s spatial position. Finally, the proposed simulation model is verified by the electromagnetic simulation experiment. Experimental results have shown that the proposed method can truly reflect the bright line phenomenon in SAR image of the South-to-North transmission line, and it can be analyzed quantitatively, which will provide a new theoretical method for analyzing working status of transmission lines in future.

Keywords

Transmission line synthetic aperture radar backscattering electromagnetic simulation

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Simulation method of high-resolution spaceborne SAR imaging for the South-to-North transmission line

Abstract

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