Title :
Multi-Beam Antenna with enhanced Wavelength-Scaled Log Periodic Dipole Array feeds
Author :
Wu, Chuan ; Yang, Feng ; Ouyang, Jun
Author_Institution :
Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China (UESTC), Chengdu, China
Abstract :
A circular polarized Multi-Beam Antenna (MBA) with 3:1 bandwidth is described. The enhanced Log Periodic Dipole Array (LPDA) feeds are used to enlarge MBA´s 27dB coverage region and improve antenna´s maximal gain. The Wavelength-Scaled Array (WSA) is applied to restrain gating lobes. Compared with the single LPDA feed, the 27dB coverage region of this antenna is much lager and the maximal gain is about 3dB higher.
Keywords :
antenna feeds; antenna radiation patterns; dipole antenna arrays; log periodic antennas; multibeam antennas; LPDA feed; antenna maximal gain; circular polarized multibeam antenna; enhanced wavelength-scaled log periodic dipole array feed; gating lobe; Antenna arrays; Antenna feeds; Arrays; Dipole antennas; Gratings; Satellite antennas; Circular Polarized; Enhanced Wavelength-Scaled Array; Log Periodic Dipole Arrays; Multi-Beam Antenna;
Conference_Titel :
Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on
Conference_Location :
Spokane, WA
Print_ISBN :
978-1-4244-9562-7
DOI :
10.1109/APS.2011.5996944
