水平对数周期天线空域极化  

Spatial polarization of horizontal log-periodic antenna

作　　者：任晓飞[1,2] 龚书喜[1] 何绍林[2] REN Xiaofei;GONG Shuxi;HE Shaolin(National Laboratory of Science and Technology on Antennas and Microwaves,Xidian University,Xi＇an 710071,China;China Research Institute of Radiowave Propagation,Qingdao 266107,China)

机构地区：[1]西安电子科技大学天线与微波技术重点实验室,西安710071 [2]中国电波传播研究所,青岛266107

出　　处：《电波科学学报》2018年第4期429-435,共7页Chinese Journal of Radio Science

摘　　要：针对水平极化对数周期天线圆阵波束合成,分析了地面上短波对数周期天线空域极化特性.根据接收天线理论,推导了新的阵列流行,阐明了水平对数周期天线圆阵的内在极化机理.依据新的阵列流行,理论和实验分析了现有采用相位加权的波束合成方法的性能.指出了对于水平对数周期天线圆阵波束合成时,需要采用相位极化联合加权,仿真结果表明联合加权方法可以有效改善波束合成的效果.The polarization characteristics of the log-periodic antenna are analyzed in this paper for the beamforming using circular array composed of horizontal log-periodic antenna. According to the theory of receiving antenna, a new manifold of circular array is deduced, and the inner polarization mechanism of ar- ray is expounded. Based on the new array popularity, the performance of the existing phase weighting beamforming method is analyzed theoretically and experimentally. It is pointed out that the phase polariza- tion joint weighting should be adopted for the circular array beam synthesis of the horizontal log periodic antenna. The simulation results show that the joint weighting method can effectively improve the effect of the beamformer.

关 键 词：空域极化特性 对数周期天线 异构阵列 波束合成 

分 类 号：TN821[电子电信—信息与通信工程] TN971