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      • Department of Electrical and Electronics Engineering
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      RCS study of cylindrical cavity-backed apertures with outer or inner material coating: the case of e-polarization

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      Author
      Çolak, Dilek
      Altıntaş, Ayhan
      Nosich, A. I.
      Date
      1993
      Source Title
      Proceedings of the Antennas and Propagation Society International Symposium, IEEE 1993
      Publisher
      IEEE
      Pages
      910 - 913
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      Cavity-backed apertures (CBA) are encountered as parts of any airborne or spaceborne radar targets. Most familiar of them are, probably, air inlets and engine tubes, known to contribute a great deal to radar cross section (RCS) of jet aircraft. In the present study, the dual-series-based solution is obtained for the scattering of an E-polarized plane wave from the cavity-backed aperture which is formed by a slitted infinite circular cylinder coated with absorptive material. The material coating can be done on the inner or outer surface of the cylinder. For both cases, numerical results are presented for the RCS and comparisons of the suppression of RCS are given for two different realistic absorptive materials.
      Keywords
      Aircraft
      Coatings
      Electromagnetic wave polarization
      Electromagnetic wave scattering
      Numerical analysis
      Cylindrical cavities
      E polarization
      Radar cross section
      Permalink
      http://hdl.handle.net/11693/27792
      Published Version (Please cite this version)
      https://doi.org/10.1109/APS.1993.385201
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      • Department of Electrical and Electronics Engineering 3524
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