Design of discrete phase-only dual-beam array antennas with minimum dynamic range ratio
TK Sinhamahapatra, A Ahmed… - 2007 IEEE Applied …, 2007 - ieeexplore.ieee.org
2007 IEEE Applied Electromagnetics Conference (AEMC), 2007•ieeexplore.ieee.org
In this paper, we describe the use of real-coded genetic algorithm (GA) for design of
reconfigurable dual-beam linear isotropic antenna arrays with phase-only control of discrete
phase shifters. The problem is to find a fixed amplitude distribution that will generate two
broadside symmetrical beams in vertical plane: a pencil beam with zero phases and a flat-
top beam with discrete phases of a five-bit discrete phase shifter, with or without minimizing
dynamic range ratio (a max/a min) of excitation amplitude distribution.
reconfigurable dual-beam linear isotropic antenna arrays with phase-only control of discrete
phase shifters. The problem is to find a fixed amplitude distribution that will generate two
broadside symmetrical beams in vertical plane: a pencil beam with zero phases and a flat-
top beam with discrete phases of a five-bit discrete phase shifter, with or without minimizing
dynamic range ratio (a max/a min) of excitation amplitude distribution.
In this paper, we describe the use of real-coded genetic algorithm (GA) for design of reconfigurable dual-beam linear isotropic antenna arrays with phase-only control of discrete phase shifters. The problem is to find a fixed amplitude distribution that will generate two broadside symmetrical beams in vertical plane: a pencil beam with zero phases and a flat-top beam with discrete phases of a five-bit discrete phase shifter, with or without minimizing dynamic range ratio (a max /a min ) of excitation amplitude distribution.
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