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Landmine Detection Using Electromagnetic Time Reversal‐Based Methods: 1. Classical TR, Iterative TR, DORT and TR‐MUSIC.

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Názov: Landmine Detection Using Electromagnetic Time Reversal‐Based Methods: 1. Classical TR, Iterative TR, DORT and TR‐MUSIC.
Autori: Karami, Hamidreza, Koch, André, Romero, Carlos, Rubinstein, Marcos, Rachidi, Farhad
Zdroj: Radio Science; Oct2024, Vol. 59 Issue 10, p1-13, 13p
Predmety: MULTIPLE Signal Classification, TIME reversal, PSEUDOSPECTRUM, MATRIX decomposition, LAND mines, TRANSFER matrix
Abstrakt: In this paper, we present a review and classification of the published works on the use of Electromagnetic Time Reversal (EMTR)‐based methods to locate landmines. Different approaches for landmine localization using EMTR are investigated. Specifically, the classical time‐domain EMTR, iterative EMTR, EMTR‐DORT (Décomposition de l'Opérateur du Retournement Temporel), and EMTR‐MUSIC (MUltiple SIgnal Classification) are implemented using different numerical techniques. The main properties of the mentioned EMTR‐based approaches are reviewed and the TR‐MUSIC method is selected as the most promising approach for the problem of interest, among all the reviewed methods. In the TR‐MUSIC method, the transfer matrix is calculated in the first step. Then, the singular value decomposition of the transfer matrix is performed. In the last step, the location of the landmines is obtained through the evaluation of the pseudospectrum. As opposed to other EMTR‐based techniques, TR‐MUSIC features very high resolution (in the order of λ $\lambda $/10 or higher) with a reasonable number of sensors, allowing the detection of multiple closely spaced targets. Key Points: Comprehensive Review and Classification of EMTR Methods for Landmine LocalizationExploration of Diverse Approaches for Landmine Localization via EMTRImplementation of Diverse EMTR‐Based Approaches Using Various Numerical Techniques [ABSTRACT FROM AUTHOR]
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  Data: Landmine Detection Using Electromagnetic Time Reversal‐Based Methods: 1. Classical TR, Iterative TR, DORT and TR‐MUSIC.
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  Data: <searchLink fieldCode="AR" term="%22Karami%2C+Hamidreza%22">Karami, Hamidreza</searchLink><br /><searchLink fieldCode="AR" term="%22Koch%2C+André%22">Koch, André</searchLink><br /><searchLink fieldCode="AR" term="%22Romero%2C+Carlos%22">Romero, Carlos</searchLink><br /><searchLink fieldCode="AR" term="%22Rubinstein%2C+Marcos%22">Rubinstein, Marcos</searchLink><br /><searchLink fieldCode="AR" term="%22Rachidi%2C+Farhad%22">Rachidi, Farhad</searchLink>
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  Data: Radio Science; Oct2024, Vol. 59 Issue 10, p1-13, 13p
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  Data: <searchLink fieldCode="DE" term="%22MULTIPLE+Signal+Classification%22">MULTIPLE Signal Classification</searchLink><br /><searchLink fieldCode="DE" term="%22TIME+reversal%22">TIME reversal</searchLink><br /><searchLink fieldCode="DE" term="%22PSEUDOSPECTRUM%22">PSEUDOSPECTRUM</searchLink><br /><searchLink fieldCode="DE" term="%22MATRIX+decomposition%22">MATRIX decomposition</searchLink><br /><searchLink fieldCode="DE" term="%22LAND+mines%22">LAND mines</searchLink><br /><searchLink fieldCode="DE" term="%22TRANSFER+matrix%22">TRANSFER matrix</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, we present a review and classification of the published works on the use of Electromagnetic Time Reversal (EMTR)‐based methods to locate landmines. Different approaches for landmine localization using EMTR are investigated. Specifically, the classical time‐domain EMTR, iterative EMTR, EMTR‐DORT (Décomposition de l'Opérateur du Retournement Temporel), and EMTR‐MUSIC (MUltiple SIgnal Classification) are implemented using different numerical techniques. The main properties of the mentioned EMTR‐based approaches are reviewed and the TR‐MUSIC method is selected as the most promising approach for the problem of interest, among all the reviewed methods. In the TR‐MUSIC method, the transfer matrix is calculated in the first step. Then, the singular value decomposition of the transfer matrix is performed. In the last step, the location of the landmines is obtained through the evaluation of the pseudospectrum. As opposed to other EMTR‐based techniques, TR‐MUSIC features very high resolution (in the order of λ $\lambda $/10 or higher) with a reasonable number of sensors, allowing the detection of multiple closely spaced targets. Key Points: Comprehensive Review and Classification of EMTR Methods for Landmine LocalizationExploration of Diverse Approaches for Landmine Localization via EMTRImplementation of Diverse EMTR‐Based Approaches Using Various Numerical Techniques [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Radio Science is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1029/2024RS007971
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: MULTIPLE Signal Classification
        Type: general
      – SubjectFull: TIME reversal
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      – SubjectFull: PSEUDOSPECTRUM
        Type: general
      – SubjectFull: MATRIX decomposition
        Type: general
      – SubjectFull: LAND mines
        Type: general
      – SubjectFull: TRANSFER matrix
        Type: general
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      – TitleFull: Landmine Detection Using Electromagnetic Time Reversal‐Based Methods: 1. Classical TR, Iterative TR, DORT and TR‐MUSIC.
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              Text: Oct2024
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