Antenna with Circular Polarization Composed of Bent Crossed Dipoles in a Cylindrical Cavity

被引：0

作者：

Radnovic, Ivana ^{[1
]}

Nesic, Aleksandar ^{[1
]}

Ilic, Marina ^{[2
]}

Nesic, Dusan ^{[3
]}

机构：

[1] IMTEL Inst, Bul Mihaila Pupina 165b, Belgrade 10070, Serbia

[2] JP Emisiona Tehnika & Veze, Belgrade 11000, Serbia

[3] Univ Belgrade, IHTM CMTM, Belgrade 11000, Serbia

来源：

2013 11TH INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS IN MODERN SATELLITE, CABLE AND BROADCASTING SERVICES (TELSIKS), VOLS 1 AND 2 | 2013年

关键词：

Circular polarization; cavity-backed antennas; printed antennas; orthogonal dipoles;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The paper presents cavity backed printed antenna with circular polarization (CBACP). The antenna radiating elements are two crossed double bent dipoles that are printed on the dielectric substrate and have complex conjugated impedances. In order to diminish environmental influences the antenna is placed in the metallic cylindrical cavity. By using double bent dipoles the overall antenna dimensions are significantly reduced. CBACP is simulated and realized for operation around 5.9 GHz. Simulated and measured results show good agreement. Furthermore, investigation of cavity parameters and their effect on antenna characteristics has been carried out in order to achieve (a) minimal axial ratio, (b) maximal gain and aperture efficiency and (c) broader axial ratio bandwidth (AR<3 dB).

引用

页码：440 / 444

页数：5

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