Title :
Discussion of physical optics surface integration for deep interpretation of GTD
Author :
Ando, Makoto ; Lu, Pengfei ; Kohama, Takayuki
Author_Institution :
Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
This paper reviews the significance of equivalent edge currents for surface-to-line integral reduction in EM scattering and the relations between various high frequency methods are surveyed in this context. It suggests that most of the difficulties in GTD comes from errors in reduction of surface currents into equivalent currents and further into rays. Two unique concepts introduced by the authors are demonstrated; MER as the novel definition of equivalent edge currents is developed for accurate and uniform reduction of radiation integrals.
Keywords :
electromagnetic wave scattering; geometrical theory of diffraction; physical optics; EM scattering; GTD; MER; deep interpretation; equivalent edge currents; geometrical theory of diffraction; modified edge representation; physical optics surface integration; radiation integrals uniform reduction; surface currents reduction; surface-to-line integral reduction; Approximation methods; Diffraction; Hafnium; Optical diffraction; Optical surface waves; Physical optics; Scattering;
Conference_Titel :
Antennas and Propagation in Wireless Communications (APWC), 2012 IEEE-APS Topical Conference on
Conference_Location :
Cape Town
Print_ISBN :
978-1-4673-0404-7
DOI :
10.1109/APWC.2012.6324956