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High-Resolution Three-Dimensional Imaging of Space Targets in Micromotion (2015)

Institute of Electrical and Electronics Engineers (IEEE)

In: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing

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Publication Date: 2015-08-14

Description: High-resolution three-dimensional (3-D) radar imaging of space targets in micromotion plays a significant role in space target recognition and space situation awareness; thus, it has attracted extensive attention in recent years. Because of the fast rotation, some scattering centers are occluded by others, i.e., the scattering centers cannot be continuously illuminated by radar in the imaging interval, and their radar echoes are discontinuous. In this paper, a nonparametric 3-D imaging method based on scattering center trajectory association is proposed. It deals with target occlusion using the Riemannian manifold optimization and obtains focused imaging of targets in complex micromotion. The effectiveness of the proposed method is validated using simulated data.

Print ISSN: 1939-1404

Topics: Geosciences

Published by Institute of Electrical and Electronics Engineers (IEEE)

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