Title :
Sidelobes Due to Periodic Amplitude and Phase Errors in the Aperture Field of a Radial Waveguide Pin-Fed Array Antenna
Author :
Pazin, Lev ; Leviatan, Yehuda
Author_Institution :
Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa
Abstract :
The location and level of the sidelobes of a radial waveguide pin-fed array antenna, which stem from periodic amplitude and phase errors in the actual antenna aperture field, are derived based on a simple model of a line source as well as the pertinent model of a circular aperture. The theoretical results are verified by comparisons with numerical and measured data
Keywords :
antenna feeds; antenna radiation patterns; aperture antennas; waveguide antenna arrays; RWPFAA; actual antenna aperture field; circular aperture; line source model; periodic amplitude; phase error; radial waveguide pin-fed array antenna; sidelobes; Antenna arrays; Antenna measurements; Antenna radiation patterns; Antenna theory; Aperture antennas; Communication systems; Error correction; Mutual coupling; Phased arrays; Waveguide theory; Antenna array mutual coupling; antenna arrays; antenna radiation patterns; antenna theory; radial waveguide pin-fed array antenna (RWPFAA);
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2006.888446
