| A Dual-polarized L-shaped Probe-fed Broadband Phased Array Antenna |
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| Author Name | Affiliation | | WU Qirui 1 ,WANG Wenbo 1,LIU Hongqing 2 , CAO Zhenxin 1 , GAO Di 3 | 1. School of Information Science and Engineering, Southeast University, Nanjing 211189, China
2. China Academy of Electronics and Information Technology, Beijng 100041, China
3. AVIC Research Institute for Special Structures of Aeronautical Composites, Jinan 250023, China |
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| Fund Project:国家自然科学基金(61471117) |
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| Abstract:In this paper, a dual-polarized broadband low-profile phased micro-strip antenna array is proposed. In order to achieve broadband characteristics, the design of L-shaped probe feed structure and patch slotted structure of the array antenna are adopted. In the design process of the antenna unit, combined with simulation verification, the influence of key parameters on the change of the standing wave curve of the antenna unit is analyzed. The profile height of the antenna is 3. 56 mm, which is about 0. 15 times of the high frequency wavelength. It can meet the application requirements of low profile height phased array antenna. The simulation results show that the antenna array can achieve a relative bandwidth of 64. 9% ( active standing wave ration ≤ 2. 5) in the scanning angle domain of ± 45° and a relative bandwidth of 57. 9% ( active standing wave ratio ≤ 3) in the scanning angle domain of ±60°, and has good polarization purity. |
| keywords:dual-polarized broadband L-shaped probe-fed low-profile phased array antenna |
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