A Hybrid UTD-PO Solution for Multiple-Cylinder Diffraction Analysis Assuming Spherical-Wave Incidence

A modified hybrid uniform theory of diffraction-physical optics formulation for the analysis of the multiple diffraction caused by an array of cylinders, assuming spherical-wave incidence, is hereby presented. The solution, validated with numerical data from technical literature, is mathematically l...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2008-09, Vol.56 (9), p.3078-3081
Main Authors: Rodriguez, J.-V., Molina-Garcia-Pardo, J.-M., Juan-Llacer, L.
Format: Article
Language:English
Subjects:
Antennas
Applied classical electromagnetism
Applied sciences
Arrays
Computational efficiency
Cylinders
Diffraction
Diffraction, scattering, reflection
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Incidence
Mathematical models
Multiple diffraction
Optical arrays
Optical diffraction
Optical propagation
Optical receivers
Optical transmitters
Physical optics
Physics
Predictive models
Propagation losses
Radiocommunications
Radiowave propagation
Scattering
Technical literature
Telecommunications
Telecommunications and information theory
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Summary:A modified hybrid uniform theory of diffraction-physical optics formulation for the analysis of the multiple diffraction caused by an array of cylinders, assuming spherical-wave incidence, is hereby presented. The solution, validated with numerical data from technical literature, is mathematically less complex and computationally more efficient-particularly for a large number of cylinders-than other existing methods, due to the fact that high-order diffraction terms ( slope diffraction ) are not considered, without such lack of terms barely entailing any loss in accuracy. Results can be applied in radiowave propagation analysis when multiple diffraction over rounded obstacles has to be considered.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2008.928817