Abstract
Multibaseline synthetic aperture radar (MB-SAR) can form a synthetic aperture in the height direction with multiple parallel observations, so it has the resolving capability in the height direction and can realize three-dimensional (3D) imaging for the target. The analytic model of MB-SAR based on spectrum estimation is analyzed in this paper. Based on the more general geometric model, we derive the signal model for MB-SAR 3D imaging. And then Yule-Walker algorithm is proposed to realize MB-SAR 3D imaging meanwhile the principle is analyzed and the steps of Yule-Walker algorithm are given. This algorithm can get the 3D image of the target with high resolution using fewer observations. Finally, the experimental results of MB-SAR 3D imaging using Yule-Walker algorithm are presented, which are generated with the simulated data and the data collected in anechoic chamber.
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Wang, B., Wang, Y., Hong, W. et al. Studies on MB-SAR 3D imaging algorithm using Yule-Walker method. Sci. China Inf. Sci. 53, 1848–1859 (2010). https://doi.org/10.1007/s11432-010-4040-7
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DOI: https://doi.org/10.1007/s11432-010-4040-7