【 中文摘要 】本发明公开了一种新型多极化透射阵天线，包括：线极化馈源、透射阵列；透射阵列设置在线极化馈源的下方，是由81个透射单元组成；透射阵列单元包括：金属层、介质层、空气层；金属层上蚀刻有矩形环缝隙，金属层镀在介质层的上表面，不同介质层之间设置有空气层。本发明实现了不同旋向的圆极化和线极化的状态切换，使透射阵天线能够实现多极化变换的工作特性，实现不同旋向的圆极化和线极化的切换，免去了使用多副天线来实现不同极化的麻烦，大大提高了系统的集成度，促进了多极化透射阵天线技术的发展和应用；能够保持高透射率的基础上独立调节阵列单元在正交方向上的透射相位，天线实现在不同极化状态下的工作，并保持高增益。

【 英文摘要 】The invention discloses a novel multi-polarization transmission array antenna, which comprises a linear polarization feed source and a transmission array, wherein the transmission array is arranged at the lower part of the linear polarization feed source and comprises 81 transmission units; each unit of the transmission array comprises a metal layer, a dielectric layer and an air layer; rectangular ring gaps are etched on the metal layers; each metal layer is plated on the upper surface of the corresponding dielectric layer; and the air layers are arranged between different dielectric layers. The novel multi-polarization transmission array antenna achieves state switching of circular polarization and linear polarization in different rotation directions, so that the transmission array antenna can achieve the working characteristic of multi-polarization conversion, achieves switching of the circular polarization and the linear polarization in different rotation directions, avoids the trouble that different polarizations are achieved by multiple pairs of antennas, greatly improves the system integration level, promotes development and application of a multi-polarization transmission array antenna technology, and can independently adjust the transmission phases of the array units in the orthogonal direction on the basis of keeping high transmissivity; and the antenna achieves working in different polarization states and keeps high gain.

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