An Efficient Algorithm for the Computation of the UTD T Transition Function

We present an efficient algorithm for the numerical calculation of the T canonical transition function, which is encountered in the uniform geometrical theory of diffraction (UTD). Such a transition function allows the uniform ray field description of various high-frequency diffraction mechanisms, s...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2012-05, Vol.60 (5), p.2380-2387
Main Authors: Puggelli, F., Carluccio, G., Albani, M.
Format: Article
Language:English
Subjects:
Accuracy
Algorithms
Antennas
Applied classical electromagnetism
Applied sciences
Arrays
Asymptotic diffraction theory
Computation
Diffraction
Diffraction, scattering, reflection
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Exact sciences and technology
Force
Fresnel reflection
Fundamental areas of phenomenology (including applications)
Geometrical theory of diffraction
Gold
Mathematical analysis
Mathematical models
Nickel
Physics
Radiocommunications
Radiowave propagation
Telecommunications
Telecommunications and information theory
uniform theory of diffraction (UTD)
Wedges
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Summary:We present an efficient algorithm for the numerical calculation of the T canonical transition function, which is encountered in the uniform geometrical theory of diffraction (UTD). Such a transition function allows the uniform ray field description of various high-frequency diffraction mechanisms, such as double wedge or vertex diffraction. The proposed algorithm is valid for both real and imaginary arguments as required to deal with the general case in UTD applications.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2189741