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@ARTICLE{Lambot:61743,
      author       = {Lambot, S. and Slob, E. C. and Vereecken, H.},
      title        = {{F}ast evaluation of zero-offset {G}reen's function for
                      layered media with application to ground-penetrating radar},
      journal      = {Geophysical research letters},
      volume       = {34},
      issn         = {0094-8276},
      address      = {Washington, DC},
      publisher    = {American Geophysical Union},
      reportid     = {PreJuSER-61743},
      pages        = {L21405},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {We propose an efficient integration path for the fast
                      evaluation of the three- dimensional spatial- domain Green's
                      function for electromagnetic wave propagation in layered
                      media for the particular case of zero- offset, source-
                      receiver proximal ground- penetrating radar ( GPR)
                      applications. The integration path is deformed in the
                      complex plane of the integration variable k(P) so that the
                      oscillations of the dominant exponential term in the
                      spectral Green's function are minimized. The contour does
                      not need to be closed back on the real k(P) axis as the
                      complex integrand rapidly damps. The accuracy and efficiency
                      of the technique have been confirmed by comparison with
                      traditional elliptic integration contours. The proposed
                      algorithm appears to be promising development for fast,
                      full- wave modeling and inversion of GPR data.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4 / JARA-ENERGY / JARA-SIM},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB793 / $I:(DE-82)080011_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Geosciences, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000251059200003},
      doi          = {10.1029/2007GL031459},
      url          = {https://juser.fz-juelich.de/record/61743},
}