NDLI: Numerical diffraction coefficients of the irregular edge on a semi-infinite conductive circular-cylinder-a GMT/PO approach

Content Provider	IEEE Xplore Digital Library
Author	Xiu Long Bao Wen Xun Zhang Ya Ming Bo
Copyright Year	2000
Description	Author affiliation: State Key Lab. of MMW, Southeast Univ., Nanjing, China (Xiu Long Bao)
Abstract	In the problem of the electromagnetic scattering, the conductive surface of electrically large objects with complex geometry can be divided into a number of sub-surfaces with simple shape far each. The total scattering field may be considered as summation of the physical optics (PO) from all sub-surfaces, but the additional diffracted contribution from the discontinuous junction between those sub-surfaces must be taken into account. Besides the asymptotic expression of diffraction coefficients had been derived for the regular edge of canonical scatterer, only the numerical diffraction coefficients (NDC) can be employed. A hybrid method of the generalized multi-pole technique and physical optics (GMT/PO) was developed previously for extracting the NDC of an irregular conductive wedge. In this paper, the GMT/PO hybrid method accompanied with an iteration technique is extended to extract 3-D NDC from an an irregular edge between the terminal cross-section and the circularly cylindrical surface of a semi-infinite conductive scatterer. The computed RCS (backward NDC) of a finite circular-cylinder with regular edge are in good agreement with the measured data.
Starting Page	500
Ending Page	503
File Size	266507
Page Count	4
File Format	PDF
ISBN	0780363779
DOI	10.1109/ISAPE.2000.894832
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical scattering Electromagnetic scattering Boundary conditions Equations Optical diffraction Message-oriented middleware Electromagnetic diffraction Physical optics Polarization Geometrical optics
Content Type	Text
Resource Type	Article

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