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Design of corrugated ground loaded with medium for directivity enhancement of circular polarized patch antenna
Huang Cheng; Zhao Zeyu; Feng Qin; Zhang Hui; Luo Xiangang
Pages1771-1774
2009
Language英语
Indexed ByEi
Subtype会议论文
AbstractIn this paper, a novel corrugated ground loaded with medium is proposed for enhancing the directivity of circular polarized patch antenna. Different from the suppression of surface wave propagation in the choke grooves, the proposed corrugated structure can modulate surface wave distribution and reradiate parts of surface energy into free space, resulting in the beaming effect. The radiation performance of this circular polarized patch antenna with grooves and medium loaded in the ground is investigated by using finite difference time domain method. The simulation results show that the designed antenna resonates around 10.35 GHz, where the axial ratio is less than 3 dB. Furthermore, the antenna gain reaches 13.2 dBic, which is improved by about 7 dB in comparison with circular polarized patch antenna on the flat ground. The physical mechanism for antenna performance improvement is described as well.; In this paper, a novel corrugated ground loaded with medium is proposed for enhancing the directivity of circular polarized patch antenna. Different from the suppression of surface wave propagation in the choke grooves, the proposed corrugated structure can modulate surface wave distribution and reradiate parts of surface energy into free space, resulting in the beaming effect. The radiation performance of this circular polarized patch antenna with grooves and medium loaded in the ground is investigated by using finite difference time domain method. The simulation results show that the designed antenna resonates around 10.35 GHz, where the axial ratio is less than 3 dB. Furthermore, the antenna gain reaches 13.2 dBic, which is improved by about 7 dB in comparison with circular polarized patch antenna on the flat ground. The physical mechanism for antenna performance improvement is described as well.
Conference NameAPMC 2009 - Asia Pacific Microwave Conference 2009
Conference Date2009
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7867
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorHuang Cheng
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Huang Cheng,Zhao Zeyu,Feng Qin,et al. Design of corrugated ground loaded with medium for directivity enhancement of circular polarized patch antenna[C],2009:1771-1774.
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