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Design of Circularly Polarized Ceramic Antenna on an Asymmetric Ground Plane

Design of the circularly polarized ceramic antenna, suitable for GPS system, on an asymmetric ground plane is presented in this thesis. Firstly, to obtain two isolated ground planes, we insert an L slit on an asymmetric ground plane, making the antenna with a symmetric ground plane. Then, we isolate the excited surface current between the two ground planes by using a quarter-wavelength mini-coaxial cable. The surface current can distribute uniformly on the ground plane when the proposed antenna is in operation, which makes possible a good circularly polarized radiation pattern in the operation band.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0531104-210514
Date31 May 2004
CreatorsLin, Chia-Ching
ContributorsChia-Luan Tang, Jian-Yi Wu, Tzung-Wern Chiou, Kin-Lu Wong, Shyh-Tirng Fang
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0531104-210514
Rightsnot_available, Copyright information available at source archive

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