期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 65, 期 9, 页码 4645-4655出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2017.2730241
关键词
Cylindrical-and-conical (CYLCON) conformal microstrip antenna (MSA) array; cylindrical conformal yagi antenna array; CYLCON phased array antenna (PAA); full solid angle scanning; projection method; yagi antenna
资金
- National Natural Science Foundation of China [61131002]
- Chinese Academy of Science [2016PT006]
In this paper, a full solid angle scanning cylindrical-and-conical (CYLCON) conformal phased array antenna (PAA) is designed. First, a microstrip Yagi antenna with low profile and small size is proposed and discussed. Second, a cylindrical conformal Yagi antenna array consisting of 24 aforementioned 8-element Yagi antennas is designed and optimized. Simulation results show that the Yagi antenna array can realize low-elevation beam scanning in the region of 0 degrees <= theta <= 30 degrees, 30 degrees <= phi <= 150 degrees with low sidelobe levels and sharp beams. Third, CYLCON conformal microstrip antenna arrays are developed to realize the broadside beam scanning. Afterwards, an integrated PAA by combining the aforementioned conformal arrays along with feeding networks is constructed to achieve full solid angle scanning. Finally, a prototype is fabricated, the measured results show that it can realize beam scanning in the regions of 0 degrees <= theta <= 30 degrees, 30 degrees <= phi <= 150 degrees, and 30 degrees <= theta <= 180 degrees, 60 degrees <= phi <= 120 degrees, which meet well with those of the simulated. By arranging proper number of arrays along the perimeter accompanied with the switchable feeding configurations, a full solid angle scanning can be achieved.
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