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Analysis of Backscattering Data from Closely Spaced Scatterers Using the K Matrix Information

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Title: Analysis of Backscattering Data from Closely Spaced Scatterers Using the K Matrix Information
Authors: Maria STAN NECULA, Dorin BIBICU, Luminita MORARU
Source: Sensors & Transducers, Vol 245, Iss 6, Pp 99-104 (2020)
Publisher Information: IFSA Publishing, S.L.
Publication Year: 2020
Collection: Directory of Open Access Journals: DOAJ Articles
Subject Terms: inverse scattering, foldy-lax formulation, distorted-wave born approximation, music, fréchet distance, average visibility index, Technology (General), T1-995
Description: A coincident array of N transceivers is used to estimate the location of a multitude of closely spaced scatterers under arbitrary wave propagation conditions. MUltiple SIgnal Classification (MUSIC) algorithm analyses a multitude of scatterers placed in specific geometries. The formulation of the inverse scattering problem and the multistatic data matrix K are defined in two approximations: the Foldy-Lax (FL) formulation of the full multiple scattering model and the distorted-wave Born approximation (DWBA) model. The Fréchet distances (FD) between the amplitude and phase curves derived from K matrix data and of the amplitude of the scattered signals estimates the effectiveness of the approximation methods. The numerical results showed a slight effectiveness of the Foldy-Lax approximation for scatterers location. The problem of considering the phase estimation from the K matrix is not a solution for signal reconstruction and representation.
Document Type: article in journal/newspaper
Language: English
Relation: https://sensorsportal.com/HTML/DIGEST/october_2020/Vol_245/P_3179.pdf; https://doaj.org/toc/2306-8515; https://doaj.org/toc/1726-5479; https://doaj.org/article/4989ad5cc1764d609789dd090da2badc
Availability: https://doaj.org/article/4989ad5cc1764d609789dd090da2badc
Accession Number: edsbas.37567CD3
Database: BASE
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Analysis of Backscattering Data from Closely Spaced Scatterers Using the K Matrix Information
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Maria+STAN+NECULA%22">Maria STAN NECULA</searchLink><br /><searchLink fieldCode="AR" term="%22Dorin+BIBICU%22">Dorin BIBICU</searchLink><br /><searchLink fieldCode="AR" term="%22Luminita+MORARU%22">Luminita MORARU</searchLink>
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  Data: Sensors & Transducers, Vol 245, Iss 6, Pp 99-104 (2020)
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  Data: IFSA Publishing, S.L.
– Name: DatePubCY
  Label: Publication Year
  Group: Date
  Data: 2020
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  Label: Collection
  Group: HoldingsInfo
  Data: Directory of Open Access Journals: DOAJ Articles
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  Data: <searchLink fieldCode="DE" term="%22inverse+scattering%22">inverse scattering</searchLink><br /><searchLink fieldCode="DE" term="%22foldy-lax+formulation%22">foldy-lax formulation</searchLink><br /><searchLink fieldCode="DE" term="%22distorted-wave+born+approximation%22">distorted-wave born approximation</searchLink><br /><searchLink fieldCode="DE" term="%22music%22">music</searchLink><br /><searchLink fieldCode="DE" term="%22fréchet+distance%22">fréchet distance</searchLink><br /><searchLink fieldCode="DE" term="%22average+visibility+index%22">average visibility index</searchLink><br /><searchLink fieldCode="DE" term="%22Technology+%28General%29%22">Technology (General)</searchLink><br /><searchLink fieldCode="DE" term="%22T1-995%22">T1-995</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: A coincident array of N transceivers is used to estimate the location of a multitude of closely spaced scatterers under arbitrary wave propagation conditions. MUltiple SIgnal Classification (MUSIC) algorithm analyses a multitude of scatterers placed in specific geometries. The formulation of the inverse scattering problem and the multistatic data matrix K are defined in two approximations: the Foldy-Lax (FL) formulation of the full multiple scattering model and the distorted-wave Born approximation (DWBA) model. The Fréchet distances (FD) between the amplitude and phase curves derived from K matrix data and of the amplitude of the scattered signals estimates the effectiveness of the approximation methods. The numerical results showed a slight effectiveness of the Foldy-Lax approximation for scatterers location. The problem of considering the phase estimation from the K matrix is not a solution for signal reconstruction and representation.
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  Data: https://sensorsportal.com/HTML/DIGEST/october_2020/Vol_245/P_3179.pdf; https://doaj.org/toc/2306-8515; https://doaj.org/toc/1726-5479; https://doaj.org/article/4989ad5cc1764d609789dd090da2badc
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  Data: https://doaj.org/article/4989ad5cc1764d609789dd090da2badc
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  Data: edsbas.37567CD3
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      – Text: English
    Subjects:
      – SubjectFull: inverse scattering
        Type: general
      – SubjectFull: foldy-lax formulation
        Type: general
      – SubjectFull: distorted-wave born approximation
        Type: general
      – SubjectFull: music
        Type: general
      – SubjectFull: fréchet distance
        Type: general
      – SubjectFull: average visibility index
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      – SubjectFull: Technology (General)
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      – SubjectFull: T1-995
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      – TitleFull: Analysis of Backscattering Data from Closely Spaced Scatterers Using the K Matrix Information
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          Name:
            NameFull: Maria STAN NECULA
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            NameFull: Dorin BIBICU
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            NameFull: Luminita MORARU
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              Y: 2020
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