The application of FDTD in hybrid methods for cavity scattering analysis

In a previous paper (see ibid., vol.41, p.1560-1569, no.11, 1993), we presented the hybrid ray-FDTD method for analyzing the electromagnetic scattering from two-dimensional cavities with complex terminations. In this paper, we present three hybrid methods for analyzing the scattering from three-dime...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 1995-10, Vol.43 (10), p.1082-1090
Main Authors: Tse-Tong Chia, Burkholder, R.J., Lee, R.
Format: Article
Language:English
Subjects:
Electromagnetic analysis
Electromagnetic scattering
Finite difference methods
Modal analysis
Optical reflection
Optical scattering
Physical optics
Radar scattering
Region 3
Time domain analysis
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Summary:In a previous paper (see ibid., vol.41, p.1560-1569, no.11, 1993), we presented the hybrid ray-FDTD method for analyzing the electromagnetic scattering from two-dimensional cavities with complex terminations. In this paper, we present three hybrid methods for analyzing the scattering from three-dimensional (3-D) inlet cavities. In these hybrid methods, the finite-difference time-domain (FDTD) method is used to determine the reflection matrix associated with the termination. Modal analysis, physical optics (PO), or rays are used to analyze the remaining front section of the cavity. Representative results are presented.< >
ISSN:0018-926X
1558-2221
DOI:10.1109/8.467644