Multi-Coset Sparse Imaging Arrays
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Wornell_Multi-coset.pdf
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506.27 KB
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Author(s)
Krieger, James D.
Kochman, Yuval
Wornell, Gregory W.
Date Issued
January 2014
Journal
IEEE Transactions on Antennas and Propagation
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Krieger, James D., Yuval Kochman, and Gregory W. Wornell. “Multi-Coset Sparse Imaging Arrays.” IEEE Trans. Antennas Propagat. 62, no. 4 (n.d.): 1701–1715.
Version
Original manuscript
Abstract
We develop an efficient structured sparse antenna array architecture for coherent imaging of sparse but otherwise unknown scenes. In this architecture, the array elements are configured in a periodic nonuniform pattern that can be viewed as the superposition of multiple sparse uniform subarrays. For such structure, we develop an efficient pattern design procedure using co-array analysis, and we describe robust and efficient algorithms implementing the required associated array processing, which comprise scene support recovery, followed by image reconstruction. In addition, we develop a practical method for detecting reconstruction failures when the scene density exceeds the level for which the array was designed, so that false images are not produced. As a demonstration of its viability, the architecture is used to reconstruct a simulated natural scene.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Terms of Use
Creative Commons Attribution-Noncommercial-Share Alike
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1109/tap.2014.2299819
