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Range resolution improvement in FM-based passive radars using deconvolution

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Abstract

FM-based passive bistatic radar (PBR) systems suffer from low range resolution because of the low baseband bandwidth of commercial FM broadcasts. In this paper, we propose a range resolution improvement method using deconvolution. The output of the PBR matched filter is processed using a deconvolution algorithm which assumes that targets are isolated, i.e., sparse in the range domain. The deconvolution algorithm is iterative and was implemented by performing successive orthogonal projections onto supporting hyperplanes of the epigraph set of a convex cost function. Simulation examples are presented.

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Authors and Affiliations

  1. Department of Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey

    Musa Tunç Arslan, Mohammad Tofighi & A. Enis Çetin

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  1. Musa Tunç Arslan
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  2. Mohammad Tofighi
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  3. A. Enis Çetin
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Correspondence to Musa Tunç Arslan.

Additional information

This work was supported in part by the Scientific and Technical Research Council of Turkey, TUBITAK, under Project 113A010. Any opinion, determination and conviction are not the official opinion of TUBITAK in the publication according to the contract.

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Arslan, M.T., Tofighi, M. & Çetin, A.E. Range resolution improvement in FM-based passive radars using deconvolution. SIViP 10, 1481–1488 (2016). https://doi.org/10.1007/s11760-016-0959-5

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  • DOI: https://doi.org/10.1007/s11760-016-0959-5

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