Title :
Tolerances for combining high gain antennas
Author :
SooHoo, K.M. ; Dybdal, R.B.
Author_Institution :
Antennas & Propagation Dept., Aerosp. Corp., USA
Abstract :
Coherently combining high gain antennas to obtain increased gain is sometimes proposed. Coherent combining produces grating lobes in the overall antenna pattern limiting combining efficiency in the signal direction. Requirements for narrow bandwidth phase matching and wider bandwidth time delay matching are presented.<>
Keywords :
antenna phased arrays; antenna radiation patterns; delays; tolerance analysis; antenna array; antenna pattern; coherent combining; combining efficiency; grating lobes; high gain antennas; narrow bandwidth phase matching; phase shifter; signal direction; tolerances; wide bandwidth time delay matching; Antenna arrays; Antenna theory; Antennas and propagation; Bandwidth; Delay effects; Directive antennas; Frequency; Gratings; Narrowband; Phase shifters;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1994. AP-S. Digest
Conference_Location :
Seattle, WA, USA
Print_ISBN :
0-7803-2009-3
DOI :
10.1109/APS.1994.407775
