具有可重构动态Yagi-Uda贴片天线元件的线性相控阵

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI:10.1109/MMWCST.2012.6238181

Jian Zhang, Xue‐Song Yang, Jia‐lin Li, Bing-Zhong Wang

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引用次数: 7

摘要

宽扫描角相控阵在雷达、卫星通信和无线通信中具有重要的应用价值。提出了一种具有可重构动态Yagi-Uda贴片天线(rdpa)元件的线性相控阵。数组元素由一个驱动补丁和一些/没有寄生补丁/补丁组成。通过调整阵列元素的状态，可以实现三种阵列模式。在每个模式下，元件都有不同的寄生补丁。通过仿真和测量对相控阵进行了研究。通过组合三种模式和改变元件的激励相位，阵列的模拟扫描角可以覆盖-72°~ 64°的仰角范围，最大旁瓣电平(SLL)小于-7 dB，增益波动小于1 dB。

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A linear phased array with reconfigurable dynamic Yagi-Uda patch antenna elements

Phased array with wide scanning angle is important to radars, satellite communications and wireless communications. A linear phased array with reconfigurable dynamic Yagi-Uda patch antenna (RDYPA) elements is proposed. The array element consists of one driven patch and some/no parasitic patches/patch. By adjusting the states of array elements, three array modes can be achieved. At each mode, the element has different parasitic patches. The phased array is investigated by simulation and measurement. The simulated scanning angle of the array can cover an elevation range from -72° to 64° by combining three modes and changing the excited phases of elements, with a maximum side lobe level (SLL) less than -7 dB and gain fluctuation less than 1 dB.

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The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology

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