具备阻抗和低副瓣宽带特性的脊波导缝隙阵列天线设计
发布时间：2018-11-21 11:08
【摘要】：设计了一种16×8脊波导缝隙阵列天线,线阵阵面分成两个子阵,馈电采用同轴馈电与耦合缝隙馈电结合的两级馈电方式,辐射缝隙分布为泰勒分布。天线设计采用近场诊断方法和阻抗过载技术进行优化。天线实物加工测试结果表明,天线在X频段驻波带宽(VSWR≤1.5)为7.3%,最低副瓣达到-25.8 d B,副瓣电平带宽(SLL≤-19 d B)为6.2%。与已有文献相比,该天线同时具备阻抗宽带特性和低副瓣宽带特性,工作频带内具有增益均大于16 d Bi的高增益特性。
[Abstract]:A 16 脳 8 ridge waveguide slot array antenna is designed. The linear array plane is divided into two subarrays. The two stage feeding mode is coaxial feed and coupling slot feed. The radiation slot distribution is Taylor distribution. The antenna design is optimized by using near field diagnosis method and impedance overload technique. The experimental results of antenna processing show that the standing wave bandwidth (VSWR 鈮，
本文编号：2346791
[Abstract]:A 16 脳 8 ridge waveguide slot array antenna is designed. The linear array plane is divided into two subarrays. The two stage feeding mode is coaxial feed and coupling slot feed. The radiation slot distribution is Taylor distribution. The antenna design is optimized by using near field diagnosis method and impedance overload technique. The experimental results of antenna processing show that the standing wave bandwidth (VSWR 鈮，
本文编号：2346791
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