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Time-reversal ESPRIT imaging method for the detection of single target

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  • Wei Gao
  • Xiao-Hua Wang
  • Bing-Zhong Wang

Abstract

Estimation of signal parameters via rotational invariance techniques (ESPRIT) is employed to time-reversal (TR) imaging for single target in this paper. By the precondition of ESPRIT, the signal subspace is divided into two parts, which are connected with each other by a transfer matrix. This transfer matrix can be used to get the TR-ESPRIT imaging pseudo-spectrum. Two examples corresponding to the noise-free and noise case are considered. The last simulated results show that the proposed TR-ESPRIT method has higher resolution than the conventional decomposition of the time-reversal operator method, and it can keep the efficiency of time reversal operator-based imaging by the signal subspace.

Suggested Citation

  • Wei Gao & Xiao-Hua Wang & Bing-Zhong Wang, 2014. "Time-reversal ESPRIT imaging method for the detection of single target," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 28(5), pages 634-640, March.
    • Handle: RePEc:taf:tewaxx:v:28:y:2014:i:5:p:634-640
    DOI: 10.1080/09205071.2014.882797
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