Title :
Low sidelobe phased array antennas with time modulation
Author :
Shiwen Yang ; Yeow Beng Gan ; Anyong Qing
Author_Institution :
Temasek Labs., Nat. Univ. of Singapore, Singapore
Abstract :
The Sidelobe Level (SLL) of a linear phased array antenna can be reduced using the method of time modulation. Beam steering properties of this kind of time modulated phased arrays are studied, and the inherent sideband patterns can be lowered using the differential evolution algorithm.
Keywords :
antenna phased arrays; antenna radiation patterns; antenna theory; beam steering; evolutionary computation; linear antenna arrays; modulation; beam steering properties; differential evolution algorithm; differential phase shift; evolutionary algorithm; inherent sideband patterns; isotropic elements; linear phased array antenna; low sidelobe phased array antennas; radiation patterns; time modulation; Antenna arrays; Frequency; Gallium nitride; Laboratories; Linear antenna arrays; Phase modulation; Phased arrays; Pulse amplifiers; Space vector pulse width modulation; Switches;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
DOI :
10.1109/APS.2003.1220155
