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对数周期天线阵波束形成的最优激励研究 被引量:1

Study of optimal excitation for LPDA array beamforming
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摘要 文章利用微波网络理论与矩量法相结合,系统地分析、计算了对数周期天线阵的输入阻抗、增益及方向特性,并在此基础上对任意波束指向和最大输出功率下,天线阵的最优激励进行了详细分析,所得结果对天线阵的合理布局及超视距通信系统的设计具有指导意义。 In this paper, the input impedance, gain and directivity of a log-periodic dipole antenna(LP- DA) array are analyzed by using moment method and microwave network theory. On this basis, the optimal excitation of antenna array for any desired wave beam direction and maximum output power is analyzed. The obtained results can be instructional on the rational constellation of LPDA array and the design of over-the-horizon(OTH) communication system.
作者 尹凡 孙玉发
出处 《合肥工业大学学报(自然科学版)》 CAS CSCD 北大核心 2015年第6期793-798,共6页 Journal of Hefei University of Technology:Natural Science
基金 国家自然科学基金资助项目(61172020)
关键词 对数周期天线 最优激励 网络理论 矩量法 超视距 log-periodic dipole antenna(LPDA) optimal excitation network theory moment method over-the-horizon(OTH)
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参考文献8

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