GPS-based bi-static SAR image formation experiment based on the modified equivalent squint range model

Conference: EUSAR 2018 - 12th European Conference on Synthetic Aperture Radar
06/04/2018 - 06/07/2018 at Aachen, Germany

Proceedings: EUSAR 2018

Pages: 6Language: englishTyp: PDF

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Zhou, Xin-Kai; Wang, Peng-Bo; Hu, Kaiqi; Zeng, HongCheng (Beihang University, P.R. China)

Precise slant range formulation for large integration time and efficient image formation algorithm are two main difficulties that constrain the development of GPS-based bi-static SAR. In this paper, the applicable integration time length of the modified equivalent squint range model (MESRM) is validated for GPS-based bi-static SAR. Based on the MESRM, an image formation algorithm is proposed for GPS-based bi-static SAR. Finally, an experiment was conducted using an angle reflector as target to confirm the feasibility of the proposed algorithm.