一种微带振子相控阵天线

By designing a microstrip phased array antenna and employing a stacked printed circuit board and SIW structure, the problems of high processing difficulty and high cost of Ka-band antennas were solved, achieving high-precision and low-loss circular polarization.

CN116154487BActive Publication Date: 2026-07-17HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
Filing Date
2022-12-29
Publication Date
2026-07-17

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Abstract

本发明公开了一种微带振子相控阵天线，涉及飞行器数据链系统通信天线领域，包括第一辐射板、第二辐射板，两辐射板均为双面印制板，且层叠设置，并在两辐射板上分别开设有多个同轴的过孔，两辐射板通过插接入过孔中的馈电连接器连接，所述第一辐射板背离所述第二辐射板的端面上，对应各过孔分别设置有一对贴片，所述贴片上开设有多个贯穿所述第一辐射板的金属化过孔，并在两贴片上设置有以过孔轴线为几何中心的十字正交微带振子，每对所述贴片之间形成裂缝，通过裂缝式巴伦对其进行馈电。本发明加工工艺简单，成本低，尤其在Ka波段上，振子精度高，加工完成后的天线也具有较强的稳定性，不容易损坏。
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