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Thorough Understanding Property of Bistatic Forward-Looking High-Speed Maneuvering Platform SAR

2017; Institute of Electrical and Electronics Engineers; Volume: 53; Issue: 4 Linguagem: Inglês

10.1109/taes.2017.2674158

2371-9877

Haiwen Mei, Ziqiang Meng, Mengqi Liu, Yachao Li, Yinghui Quan, Shengqi Zhu, Mengdao Xing,

Microwave Imaging and Scattering Analysis

This paper investigates a new and special imaging mode, bistatic forward-looking high-speed maneuvering platform synthetic aperture radar, in which both platforms travel curvilinear trajectories with high velocities and accelerations. A thorough understanding of its new properties of motion, 2-D resolution, and echo signal coupling is given. Applicability of gradient method neglecting time dependence of gradient to this special configuration is addressed. Moreover, 2-D coupling characteristic of echo signal at different imaging distances is investigated.