双频圆极化单极天线

2009 IEEE International Workshop on Antenna Technology Pub Date : 2009-03-02 DOI:10.1109/IWAT.2009.4906867

Jin-Wei Wu, C. Jou, Chien‐Jen Wang

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引用次数: 10

摘要

提出了一种双频圆极化单极天线。该天线可产生2.17 ~ 8.47 GHz的宽带阻抗带宽，并激发2.48 GHz的左圆极化(LHCP)和3.90 GHz的右圆极化(RHCP)。测量到的3db轴比(AR)带宽在2.41 - 2.55 GHz范围内约为140 MHz，相对于2.48 GHz的中心频率约为5.6%，而在3.45 - 4.35 GHz范围内约为900 MHz，相对于3.90 GHz的中心频率约为23.1%。

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Dual-band circularly polarized monopole antenna

This paper proposes a dual-band circular polarization (CP) monopole antenna. This antenna can generate a broadband impedance-bandwidth from 2.17 to 8.47 GHz, and excite a left-hand circular polarization (LHCP) at 2.48 GHz and right-hand circular polarization (RHCP) at 3.90 GHz. The measured 3-dB axial ratio (AR) bandwidths are about 140 MHz from 2.41 to 2.55 GHz approximately 5.6% with respect to the center frequency at 2.48 GHz and 900 MHz from 3.45 to 4.35 GHz approximately 23.1% with respect to the center frequency at 3.90 GHz.

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2009 IEEE International Workshop on Antenna Technology

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