直升机测向天线阵装机影响分析  

Analysis of Influence of Helicopter Antenna Array Distribution for Direction Finding

作　　者：芮锡[1] 钟志浩 郭晨 RUI Xi;ZHONG Zhihao;GUO Chen(Southwest China Institute of Electronic Technology,Chengdu 610036,China)

机构地区：[1]中国西南电子技术研究所,四川成都610036

出　　处：《直升机技术》2021年第2期23-28,共6页Helicopter Technique

摘　　要：针对直升机信号侦查测向需求,分析了6元T型测向天线阵装机后受机身及周围遮挡物的影响,以及天线的幅度一致性和相位一致性的变化。针对分析结果,给出了优化布局设计建议,提高天线阵元之间的幅度和相位一致性,提升信号测向的性能。In order to meet the requirements of helicopter’s signal detection and direction finding,the influence of the fuselage and surrounding shielding objects on the installed six-element T-type direction-finding antenna array was analyzed,as well as the changes of amplitude consistency and phase consistency of the antennas.According to the analysis results,some suggestions for antenna’s arrangement were given to improve the amplitude and phase consistency between antenna array elements which will improve the performance of signal direction finding.

关 键 词：天线阵 测向 幅相一致性 

分 类 号：V243.4[航空宇航科学与技术—飞行器设计]