基于CTS的高增益广角波束扫描天线阵列

2019 International Applied Computational Electromagnetics Society Symposium - China (ACES) Pub Date : 2019-08-01 DOI:10.23919/ACES48530.2019.9060559

Houtong Qiu, Qi‐Dong Cao, Xue-xia Yang

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引用次数: 0

摘要

提出了一种工作在X波段的高增益平坦连续横截(CTS)波束扫描天线阵列。设计了一种由h面角和吕尼堡透镜组成的新型紧凑型企业馈电网络。透镜将喇叭产生的柱面波转换成平面波馈入CTS天线。通过在透镜表面移动h面角，实现光束扫描。设计并仿真了一个12元阵列。仿真结果表明，通过移动喇叭可以实现−30°~ 30°的扫描范围。天线的最大增益为20.6 dBi，旁瓣电平为−25.2 dB。该天线可用于低成本、高增益的雷达系统和卫星通信终端。

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High Gain and Wide Angle Beam Scanning Antenna Array Based on CTS

A high gain flat continuous transverse stub (CTS) beam scanning antenna array operating at X band is proposed. A novel compact corporate-feed network consisting of an H-plane horn and a flat Luneburg lens is designed. The lens converts the cylindrical wave generated by the horn into plane wave to feed the CTS antenna. By moving the H-plane horn on the surface of the lens, the beam scanning is realized. A 12-element array is designed and simulated. The simulation results show that the scanning range of −30° ∼30° is achieved by moving the horn. The maximum gain of the antenna is 20.6 dBi and the sidelobe level is −25.2 dB. The proposed antenna can be a good candidate for radar systems and satellite communication terminals, which require low cost and high gain.

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来源期刊

2019 International Applied Computational Electromagnetics Society Symposium - China (ACES)

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