scholarly journals High-frequency approximation for mutual coupling calculations between apertures on a perfect electric conductor circular cylinder covered with a dielectric layer: Nonparaxial region

Radio Science ◽  
2003 ◽  
Vol 38 (4) ◽  
pp. n/a-n/a ◽  
Author(s):  
Patrik Persson ◽  
Roberto G. Rojas
2017 ◽  
Vol 35 (5) ◽  
pp. 05C311 ◽  
Author(s):  
Emi Kawamura ◽  
De-Qi Wen ◽  
Michael A. Lieberman ◽  
Allan J. Lichtenberg

1962 ◽  
Vol 58 (4) ◽  
pp. 662-670
Author(s):  
A. Sharples

ABSTRACTThe diffraction of a high-frequency plane sound wave by a circular cylinder is investigated when the boundary condition on the cylinder is expressed by means of an equation of the form The special feature of this investigation is that an extended form of the Kirchhoff-Fresnel theory of diffraction is used to find an integral representation for the scattering coefficient. In order to avoid the complicated analysis which would be necessary to evaluate the integrals concerned, the more natural geometrical acoustics approach is used to find the first correction term in the scattering coefficient. Numerical results are given for large and small values of the impedance Z.


1999 ◽  
Vol 35 (3) ◽  
pp. 1514-1517 ◽  
Author(s):  
M. Martinez-Burdalo ◽  
A. Martin ◽  
R. Villar ◽  
L. Landesa

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