Design of S-band circularly polarized double-layer microstrip antenna |
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| Authors: | Yuan Li ?? Fangyuan Zhao Jia Guo ?? Lei Zhang ?? |
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| Institution: | 1. School of Electronic Information Engineering, Tianjin University, Tianjin 300072, China
2. School of Communication Engineering, Jilin University, Changchun 130012, China |
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| Abstract: | This paper proposes a compact polarization microstrip antenna based on double-layer structure.The bandwidth of the whole antenna is widened by expanding the top and bottom layers respectively.After the design of antenna structure and adjustment of size,the proposed antenna can achieve both the left-and right-hand circular polarizations in 2.33 GHz—2.97 GHz.Measurement results indicate that the effective bandwidth is 640 MHz in S-band and the relative bandwidth can achieve 24% with 11 S less than 15 dB. |
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| Keywords: | double-layer microstrip antenna broadband antenna finite difference time domain circular polarization |
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