Title :
Sensitivity of the radiation pattern of a small slotted waveguide array to the finiteness of its elliptical groundplane
Author :
McNamara, D.A. ; Botha, L.
Author_Institution :
Dept. of Electron. & Comput. Eng., Pretoria Univ., South Africa
fDate :
3/15/1990 12:00:00 AM
Abstract :
The effect, on the near-in sidelobe levels, of the finiteness of the circular and elliptical groundplanes of small slotted waveguide arrays is examined using the uniform geometrical theory of diffraction.
Keywords :
antenna radiation patterns; antenna theory; microwave antenna arrays; waveguide antennas; UTD analysis; circular groundplane; elliptical groundplane; groundplane finiteness; near-in sidelobe levels; radiation pattern; slotted waveguide array; small sized array; uniform geometrical diffraction theory;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900252
