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机构地区:[1]海军航空工程学院青岛校区 [2]海军航空工程学院航空训练基地 [3]中国人民解放军91917部队
出 处:《仪表技术》2013年第6期15-17,28,共4页Instrumentation Technology
摘 要:零张角对数周期偶极子(ZLPD)天线是一种极宽频带天线,因其几何结构特点,其电特性随频率对数而周期性变化,目前该类天线广泛应用于短波、超短波、微波等波段的通信、测向、电子对抗等军民航设备天线中。研究该类天线的结构参数与性能特点,确保通信、导航、电子对抗设备工作效能的发挥非常必要。文中针对零张角对数周期偶极子天线的数学模型进行了技术分析,研究了各偶极子辐射场间相位关系,提出并分析了相位补偿技术对天线工作频带的影响,研究结论对调整与使用该类天线的技术性能具有一定的指导意义。Zero angle log-periodic dipole antenna ( ZLPD ) is a wide band antenna. Because of its geometry struc- ture characteristics, its electrical characteristics change with the logarithmic frequency and periodic. At present this kind of antenna is widely used in shortwave, ultra-short wave, microwave band communication, direction finding, electronic warfare, military and civil aviation equipment antenna. Research on the structure parameters and performance character- istics of the antenna is very necessary to ensure the working efficiency of the communication, navigation and the electron- ic warfare equipment. The mathematical model for the zero angle log-periodic dipole antennas is analyzed, and the phase relationship between the dipole radiation fields is studied. The effect of phase compensation technique of antenna operat- ing band is put forward and analyzed. The study conclusion has certain guidance for adjustment and technical perform- ance of the antenna.
分 类 号:TN821.6[电子电信—信息与通信工程]
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