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Dual-band dielectric resonator antenna with multi-frequency circular polarisation

机译:具有多频圆极化的双带介质谐振器天线

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A dual-band rectangular dielectric resonator (DR) antenna is implemented with a multi-frequency circularly polarised (CP) response. The wide dual-band response is achieved by inserting the slots in the DR. The insertion of slots in the DR in a specific manner generates the orthogonal degenerate modes. Consequently, the multi-frequency CP response is obtained. The antenna provides the total overlapping CP bandwidth of 4.96% (13.36-14.04 GHz) in the lower band and 3.28% (14.95-15.45 GHz), 9.624% (17.11-18.84 GHz) and 0.517% (19.28-19.38 GHz) in the upper band. The antenna provides the 10 dB impedance bandwidth of 6.44% (13.36-14.25 GHz) and 28.89% (14.95-20 GHz) in the lower and upper bands, respectively. The peak gain of antenna remains >3 dBic in the passbands.
机译:双带矩形介质谐振器(DR)天线以多频圆极化(CP)响应实现。通过在DR中插入槽来实现宽的双频响应。以特定方式在DR中插入槽的插槽产生正交的退化模式。因此,获得多频CP响应。天线在下部频段提供4.96%(13.36-14.04GHz)的总重叠CP带宽,3.28%(14.95-15.45 GHz),9.624%(17.11-18.84 GHz)和0.517%(19.28-19.38 GHz)上频段。天线在下部和上部带分别提供6.44%(13.36-14.25GHz)和28.89%(14.95-20GHz)的10dB阻抗带宽。天线的峰值增益在通带中保持> 3 dbic。

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