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21. 发明授权

US08344961B1 C-band radiating element for broad area maritime surveillance (BAMS) 有权
标题翻译：用于广域海上监视（BAMS）的C波段辐射元件
公开(公告)号：US08344961B1
公开(公告)日：2013-01-01
申请号：US12563221
申请日：2009-09-21
申请人： Michael J. Buckley
发明人： Michael J. Buckley
IPC分类号： H01Q21/12
CPC分类号： H01Q1/48 , H01Q9/065 , H01Q19/104 , H01Q21/062
摘要： The present invention is Broad Area Maritime Surveillance (BAMS) radiating element which includes a plurality of dipole layers, a stripline feed layer and a cover portion. The radiating element is low-profile and may have a thickness of 180 mils. Further, the radiating element may have an operating frequency range from 5.35 GHz to 5.46 GHz and a depth of 0.083 free space wavelengths at the high end of the operating frequency range. Still further, the dipoles of the dipole layers of the BAMS radiating element vary in width from layer to layer to maximize match at the edge of the scan volume. The BAMS radiating element may be at least partially constructed of printed circuit board material, such as Rogers 4003. The BAMS radiating element may have a return loss of less than −10 decibels over its entire scan volume and frequency band.
摘要翻译：本发明是广域海上监视（BAMS）辐射元件，其包括多个偶极子层，带状线馈电层和覆盖部分。辐射元件是低轮廓的，并且可以具有180密耳的厚度。此外，辐射元件可以具有5.35GHz至5.46GHz的工作频率范围和在工作频率范围的高端的0.083自由空间波长的深度。此外，BAMS辐射元件的偶极子层的偶极子在宽度上从层到层变化，以在扫描体积的边缘处最大化匹配。 BAMS辐射元件可以至少部分地由印刷电路板材料构成，例如Rogers 4003。在其整个扫描体积和频带上，BAMS辐射元件可具有小于-10分贝的回波损耗。

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