摘要：【中文】本发明公开了一种高隔离度高谐波抑制的小型化双频双极化5G基站天线，天线由上下两块印刷电路板腐蚀而成，在上电路板的上表面印刷低频方环形谐振贴片、下表面印刷高频方环形谐振贴片，在下电路板的上表面印刷两个地板开缝的耦合槽、下表面印刷两个匹配谐波抑制枝节，下电路板的两个匹配谐波抑制枝节分别通过一个耦合槽激励上电路板的一个方环形谐振贴片，微带馈线通过下电路板的耦合槽把激励的能量耦合至上电路板的低频方环形谐振贴片和高频方环形谐振贴片。本发明所公开的天线，将谐振贴片设置为方环形，可以有效降低天线的辐射尺寸，达到小型化的目的，并提高天线的辐射效率和端口隔离度。 【EN】The invention discloses a high-isolation high-harmonic-suppression miniaturized double-frequency dual-polarization 5G base station antenna which is formed by corroding an upper printed circuit board and a lower printed circuit board, wherein a low-frequency square annular resonance patch is printed on the upper surface of the upper printed circuit board, a high-frequency square annular resonance patch is printed on the lower surface of the upper printed circuit board, two floor slotted coupling grooves are printed on the upper surface of the lower printed circuit board, two matched harmonic suppression branches are printed on the lower surface of the lower printed circuit board, the two matched harmonic suppression branches of the lower printed circuit board respectively excite one square annular resonance patch of the upper printed circuit board through one coupling groove, and a microstrip feeder line couples excited energy to the low-frequency square annular resonance patch and the high-frequency square annular resonance patch of the. According to the antenna disclosed by the invention, the resonant patch is set to be in the shape of a square ring, so that the radiation size of the antenna can be effectively reduced, the purpose of miniaturization is achieved, and the radiation efficiency and the port isolation degree of the antenna are improved.

摘要：【中文】本发明公开了一种可单介质板实现的双极化阵列天线，该天线只采用一个双面单介质板，在介质板上设置由n×m个相同的天线单元组成的阵列天线口径，n，m均取大于1的整数，在阵列天线口径的上下左右各设置一个功分器进行馈电，各功分器分别通过基片集成波导转接地共面波导结构与一个端口电连接。本发明所公开的天线，通过改进天线单元设计，将馈电网络和双极化天线阵列同时设计在单层介质板上，无需多层介质板，故而能以简单的结构实现双极化，从而大大降低了整个天线结构的设计难度、复杂度和成本。 【EN】The invention discloses a dual-polarized array antenna which can be realized by a single dielectric plate, the antenna only adopts a double-sided single dielectric plate, the aperture of the array antenna which is composed of n multiplied by m same antenna units is arranged on the dielectric plate, n and m are integers which are more than 1, power dividers are respectively arranged at the upper, lower, left and right sides of the aperture of the array antenna for feeding, and each power divider is respectively electrically connected with a port through a substrate integrated waveguide to ground coplanar waveguide structure. According to the antenna disclosed by the invention, the feed network and the dual-polarized antenna array are simultaneously designed on the single-layer dielectric plate by improving the design of the antenna unit, and a plurality of layers of dielectric plates are not needed, so that dual polarization can be realized by a simple structure, and the design difficulty, complexity and cost of the whole antenna structure are greatly reduced.

摘要：【中文】本发明公开了一种双极化二维多波束天线阵列，所述的天线阵列包括上层介质板和下层介质板，采用差分馈电的天线阵列口径和水平极化馈电网络位于上层介质板，垂直极化馈电网络位于下层介质板，并且水平极化馈电网络和垂直极化馈电网络垂直排列，水平极化馈电网络的激励端口为水平极化差分激励对，垂直极化馈电网络的激励端口为垂直极化差分激励对；天线阵列口径包括SIW腔体，在SIW腔体内蚀刻2×2个天线单元，天线单元由微带贴片和与下层介质板短路的接地通孔组成。本发明所公开的天线阵列采用差分馈电，天线方向图在扫描时具有很低的交叉极化电平和端口隔离度，从而可以提升天线阵列的极化分集性能，降低系统的信噪比。 【EN】The invention discloses a dual-polarization two-dimensional multi-beam antenna array, which comprises an upper medium plate and a lower medium plate, wherein the aperture of the antenna array adopting differential feeding and a horizontal polarization feed network are positioned on the upper medium plate; the aperture of the antenna array comprises an SIW cavity, 2 multiplied by 2 antenna units are etched in the SIW cavity, and each antenna unit consists of a microstrip patch and a grounding through hole which is in short circuit with a lower dielectric plate. The antenna array disclosed by the invention adopts differential feed, and an antenna directional diagram has very low cross polarization level and port isolation during scanning, so that the polarization diversity performance of the antenna array can be improved, and the signal-to-noise ratio of a system is reduced.