Title :
Low sidelobe electronically scanned antenna using identical transmit/receive modules
Author :
DuFort, Edward C.
Author_Institution :
Hughes Aircraft Co., Fullerton, CA, USA
fDate :
3/1/1988 12:00:00 AM
Abstract :
A microwave network is described for use with identical transmit/receive modules such that amplitude-tapered aperture distributions are obtained with no loss. High-efficiency low-sidelobe patterns are calculated for the line source case with sidelobes as low as -27.5 dB. An optimum minimum-loss design is described for arbitrarily low sidelobes. The effects of errors on sidelobes are shown to be the same as in any array. The extension of the technique to the planar array case is presented
Keywords :
antenna radiation patterns; microwave antenna arrays; amplitude-tapered aperture distributions; arbitrarily low sidelobes; electronically scanned antenna; identical transmit/receive modules; low-sidelobe patterns; microwave network; optimum minimum-loss design; planar array; Apertures; Costs; High power amplifiers; Manufacturing; Phase shifters; Propagation losses; Radio frequency; Radiofrequency amplifiers; Receiving antennas; Transmitting antennas;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
