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Weighted Space-Frequency Time-Reversal Imaging for Multiple Targets | IEEE Journals & Magazine | IEEE Xplore

Weighted Space-Frequency Time-Reversal Imaging for Multiple Targets


Abstract:

To address the problem of imaging instability when space-frequency (SF) time-reversal (TR) imaging algorithm chooses different ranks of signal subspaces in TR imaging for...Show More

Abstract:

To address the problem of imaging instability when space-frequency (SF) time-reversal (TR) imaging algorithm chooses different ranks of signal subspaces in TR imaging for multiple targets, a modified SF-TR is proposed in this letter, termed W-SF-TR, in which the vectors of noise subspace are weighted to provide the imaging stability. The simulation results show that W-SF-TR significantly reduces the sensitivity of imaging to different ranks, and improves the image resolution as well.
Published in: IEEE Signal Processing Letters ( Volume: 26, Issue: 6, June 2019)
Page(s): 858 - 862
Date of Publication: 14 April 2019

ISSN Information:


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