Abstract

This paper investigates the capability of classical two-channel SAR ground moving target indication (GMTI) techniques, such as displaced phase center antenna (DPCA) or along-track interferometry (ATI) when implemented on azimuth-uncompressed SAR data, rather than the processed SAR image. By transforming the data into the Doppler frequency domain complete target detection and parameter estimation scheme is proposed. In contrast to the conventional image based algorithms, the proposed techniques are able to detect even fast movers. The GMTI feasibility is demonstrated with measured airborne data.

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