Title :
Modified diffraction coefficients for focusing reflectors
Author :
James, G.L. ; Poulton, G.T.
Author_Institution :
Queen Mary College, Department of Electrical & Electrical Engineering, London, UK
Abstract :
A modification to the halfplane diffraction coefficients is given for a plane wave incident on a curved screen. The result is used to calculate the near field of a parabolic reflector under plane-wave illumination. Comparison with the physical-optics method shows excellent agreement.
Keywords :
electromagnetic wave diffraction; reflector antennas; electromagnetic wave diffraction; parabolic reflector; reflector antennas;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19730395
