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    • 17. 发明授权
    • Dual-polarized, stub-tuned proximity-fed stacked patch antenna
    • 双极化,短路接近馈电堆叠贴片天线
    • US06717549B2
    • 2004-04-06
    • US10146227
    • 2002-05-15
    • James J. RawnickTimothy E. DurhamAnthony M. Jones
    • James J. RawnickTimothy E. DurhamAnthony M. Jones
    • H01Q138
    • H01Q9/0414
    • A dual-polarized, stub-tuned, proximity-fed, stacked patch antenna includes a ground plane layer and a dielectric substrate overlying the ground plane layer. An active patch antenna element is disposed on the dielectric substrate. A parasitic patch antenna element is supported in spaced relation to the active patch antenna element. Dual feed lines are spaced from and field-coupled to the active patch antenna element. Each feed line has a tuning stub for producing a distributed antenna resonance. The dual feed lines are configured to provide dual polarization and minimize coupling between the feed lines. The feed lines are positioned substantially orthogonal to each other to provide orthogonal linear polarizations. Each feed line includes a feed line tip that extends towards the center of the active patch antenna element and spaced from each other to minimize tip-to-tip coupling. Each feed line tip includes a 90 degree bend.
    • 双极化,短截线,接近馈电的堆叠贴片天线包括覆盖接地平面层的接地平面层和介电衬底。 有源贴片天线元件设置在电介质基片上。 寄生贴片天线元件与有源贴片天线元件间隔开地支撑。 双馈线与有源贴片天线元件间隔开并场耦合。 每个馈线具有用于产生分布式天线谐振的调谐短截线。 双馈线构造成提供双极化并最小化馈电线之间的耦合。 馈电线基本上彼此正交地布置以提供正交的线偏振。 每个馈送线包括馈送线尖端,其朝向有源贴片天线元件的中心延伸并且彼此间隔开以最小化尖端到尖端耦合。 每个馈线尖端包括90度弯曲。