一种低轮廓半模基片集成波导圆极化天线

doi:10.3969/j.issn.1001-2400.2017.06.029

Abstract

Abstract:

A technique to design a compact half mode substrate integrated circular cavity (HMSICC) cavity backed antenna is presented. The proposed antenna achieves left-handed circularly polarized(LHCP) using a crossed slot. The feeding strip-line loaded stub in the middle metallization layer and the S-shaped slot in the bottom metallization layer can achieve a better impedance match. Measured results show that the prototype achieves a bandwidth of 73％ for 10dB return loss and that the axial ratio(AR) bandwidth is at least 16％ with the maximum gain of 62dBi.

Key words: cavity-backed, circular polarization, half mode substrate integrated circular cavity(HMSICC), crossed-slot

ZHANG Yefeng;ZHU Yongzhong;LIU Mingfei;LU Hongyan. Low-profile circularly polarized antenna using the half-mode circular substrate integrated waveguide technique[J].Journal of Xidian University, 2017, 44(6): 169-174.

References

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Low-profile circularly polarized antenna using the half-mode circular substrate integrated waveguide technique

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