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Volume 20 Issue 1
Jan.  1998
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Zhang Lijun, Xu Shanjia. FINITE-ELEMENT ANALYSIS OF PLANAR DIELECTRIC WAVEGUIDE DISCONTINUITIES[J]. Journal of Electronics & Information Technology, 1998, 20(1): 103-108.
Citation: Zhang Lijun, Xu Shanjia. FINITE-ELEMENT ANALYSIS OF PLANAR DIELECTRIC WAVEGUIDE DISCONTINUITIES[J]. Journal of Electronics & Information Technology, 1998, 20(1): 103-108.

FINITE-ELEMENT ANALYSIS OF PLANAR DIELECTRIC WAVEGUIDE DISCONTINUITIES

  • Received Date: 1996-07-25
  • Rev Recd Date: 1997-04-17
  • Publish Date: 1998-01-19
  • The finite element method is combined with the mode-matching method and the multi-mode network theory to analyze the scattering and radiation characteristics of a class of planar dielectric waveguide discontinuities. Unlike the conventional method to treat the radiation as a source-field problem, in the present approach, the dispersion characteristics of dielectric guidedwave structures are calculated first, and then the radiation problem is transferred to the propagation problem of a series of surface-waves and space waves from the viewpoint of scattering, thus the analysis is tremendously simplified.
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  • Rozzi T E. Rigorous analysis of the step discontinuity in a planar dielectric waveguide. IEEE Trans. on MTT, 1978, MTT-26(10): 738-746.[2]Rozzi T E, et al. Finite element analysis of interacting step discontinuity in a planar dielectric waveguide. IEEE Trans. on MTT, 1979, MTT-27(4): 303-309.[3]Suzuke M, Kosshiba M. Finite element analysis of discontinuity problems in a planar dielectric waveguide[J].Radio Science.1982, 17(1):85-91[4]Hirayama K, Kosshiba M. Analysis of discontinuities in an open dielectric slab waveguide by combination of finite and boundary elements. IEEE Trans. on MTT, 1989, MTT-37(4): 761-768.[5]Hirayama K, Kosshiba M. Numerical analysis of arbitrarily shaped discontinuities between planar dielectric waveguide with different thickness. IEEE Trans. on MTT, 1990, MTT-38(3): 260-264.[6]Peng S T, Oliner A A. Guidance and leackage properties of a class of the open dielectric waveguides. Part I: Mathematical formulation, IEEE Trans. on MTT, 1981, MTT-29(9): 843-855.[7]Xu Shanjia, Peng S T. Reflection analysis for planar surface wave antennas with different tapering profiles. Int. J. of Infrared and mm Waves, 1995, 16(12): 1122-1135.[8]Shigesawa H, Tsuji M. Mode propagation through a step discontinuity in dielectric planar waveeuide. IEEE Trans. on MTT, 1986, MTT-34(2): 205-212.
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