| 摘要: |
| 本文提出了一种新型的螺旋结构的天线，将角锥螺旋与四臂螺旋的结构巧妙的结合起来，并采用了自相移结构及渐进式的平衡馈电，经有限元法对其辐射特性进行分析和实测，结果都说明该种天线在实现宽波束圆极化的同时展宽了频带，且结构简单。 |
| 关键词: 宽波束 圆极化 螺旋天线 设计 |
| DOI：10.3969/j.issn.1001-893X. |
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| 基金项目: |
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| Design of a Novel Wide-beam Circularly-polarized Antenna |
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| Abstract: |
| A novel structure of spiral antenna is discussed. The conical spiral structure and quadrifilar spiral structure is linked together, and the antenna is dealt with a self-phased structure and a infinit balun. The simulation results shown by the finite method and the measured results prove that the antenna's structure is simple and band is wider while possessing circular hemispherical beam. |
| Key words: Wide beam,Circular polarization,Spiral antenna,Design |
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