一种新型小型圆极化GPS微带天线的设计与实现

Abstract

Abstract:

A novel miniaturized circularly polarized microstrip antenna with the EBG structure for GPS applications is designed and constructed. The size of the circularly polarized GPS microstrip antenna desiged by the Koch rectangle fractal is reduced considerably. And the properties of bandwidth and gain are improved effectively due to the introduction of given size EGB designed by the Koch rectangle fractal. Simulation and experimental results show that, compared with the conventional rectangle structure, the proposed antenna has reduced the size by 27％, and increased the axial-ratio bandwidth by about 30％ as well as the gain by 0.2dB due to the application of the EBG structure.

Key words: fractal antenna, circularly polarized, EBG structure, GPS antennas

CLC Number:

TN822

SONG Xiao-di;FENG En-xin;FU Jun-mei. Design and implementation of a novel miniaturized circularly polarized GPS microstrip antenna[J].J4, 2009, 36(6): 1108-1113.

References

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Design and implementation of a novel miniaturized circularly polarized GPS microstrip antenna

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