Singly-Fed Circularly Polarized Circular Aperture Antenna With Conical Beam
β Scribed by Qi, S.-Shan; Wu, Wen; Fang, D.-Gang
- Book ID
- 120395446
- Publisher
- IEEE
- Year
- 2013
- Tongue
- English
- Weight
- 923 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0018-926X
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## Abstract This paper presents a design procedure for a singlyβfed circularly polarized apertureβcoupled multilayer microstrip antenna (SFβACMMA) for INMARSAT ground terminal applications. In the design, lowβcost foam with low permittivity is used for enhancing the impedance bandwidth of antenna.
As a vehicle-mounted antenna to be used for satellite communication and broadcasting without the need for capture and tracking, a circularly polarized conical beam with a tilt angle of 45Β° and a beamwidth of 18Β° is realized with a slot-array antenna on a coaxial cylinder. In the direction normal to