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刘小燕【EN】Lu Linsheng
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[发明]
【中文】一种简便GNSS测量天线、导航定位系统 【EN】Simple GNSS measuring antenna and navigation positioning system
申请号:
202010164196.3
公开号:CN111244614A 主分类号:H01Q1/36
申请人:
【中文】深圳市信为通讯技术有限公司【EN】Shenzhen Xinwei Communication Technology Co., Ltd
申请日:2020.03.10 公开日:2020.06.05
发明人:
【中文】卢林生
;
刘小燕【EN】Lu Linsheng
;
Liu Xiaoyan
摘要:【中文】本发明属于天线领域,公开了一种简便GNSS测量天线、导航定位系统,包括层叠设置的屏蔽盖和PCB板,PCB板上的中空结构的介质层;第一金属层和第二金属层分别设置在介质层的下表面和上表面;第三金属层,设置在介质层的上表面;频率合成点,通过通孔贯穿整个介质层以连接第一金属层和第二金属层;馈电探针,穿过介质层和空气层,连接第三金属层和PCB板上的网络。介质层的周边设置有金属化齿状圆环,金属化齿状圆环与PCB板相连接,所述金属化齿状圆环与第一金属层和第二金属层同心且共形。本发明通过在不降低天线性能的情况下,用中空的单层介质实现了双频的性能要求,大幅降低了天线的剖面,减轻了天线重量,节约了成本。 【EN】The invention belongs to the field of antennas, and discloses a simple GNSS measuring antenna and a navigation positioning system, which comprise a shielding cover and a PCB board which are arranged in a stacked manner, and a dielectric layer with a hollow structure on the PCB board; the first metal layer and the second metal layer are respectively arranged on the lower surface and the upper surface of the dielectric layer; the third metal layer is arranged on the upper surface of the dielectric layer; the frequency synthesis point penetrates through the whole dielectric layer through the through hole to connect the first metal layer and the second metal layer; and the feed probe penetrates through the dielectric layer and the air layer and is connected with the third metal layer and the network on the PCB. The periphery of the dielectric layer is provided with a metalized toothed ring, the metalized toothed ring is connected with the PCB, and the metalized toothed ring is concentric and conformal with the first metal layer and the second metal layer. The invention realizes the performance requirement of double frequency by using the hollow single-layer medium under the condition of not reducing the performance of the antenna, greatly reduces the section of the antenna, lightens the weight of the antenna and saves the cost.
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