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Downward-Looking 3-D linear array SAR imaging based on Chirp Scaling algorithm

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2 Author(s)

Downward-Looking three dimensional (3D) Linear array SAR (LASAR) has the ability to map a directly overflown scene into a high resolution 3D image by looking perpendicularly downwards. The scope of this paper is to present a Chirp Scaling (CS) algorithm of 3D LASAR. Firstly, the principle of the LASAR system is introduced. Secondly, using the echo model the CS algorithm which focused the 3D SAR imaging in the range direction and the along track direction respectively. Then the beamforming technique is used to focus the 3D SAR data in cross-track direction. Finally the numerical experiments validate the feasibility of this algorithm.

Published in:

Synthetic Aperture Radar, 2009. APSAR 2009. 2nd Asian-Pacific Conference on

Date of Conference:

26-30 Oct. 2009