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提出一种新型的大带宽脊形接地板微带贴片天线.天线采用空气介质层,通过在脊形接地板顶端用同轴探针馈电单层方形贴片,从而减小了探针电感,能获得很宽的工作带宽.该天线的实测VSWR≤2阻抗带宽达到了90.1%,覆盖1.75~4.62 GHz的频率范围.
A new type of high-bandwidth ridge ground plane microstrip patch antenna is proposed.The antenna uses an air dielectric layer, which reduces the probe inductance by feeding a single layer square patch with a coaxial probe at the top of the ridge ground plane , A wide operating bandwidth is achieved.The antenna’s measured VSWR≤2 impedance bandwidth reaches 90.1% and covers the frequency range of 1.75 to 4.62 GHz.