摘要
针对无人直升机安装平台,需要对2~18 GHz频段内通信、雷达目标信号进行瞬时360°范围测向的问题,设计了一种基于比幅比相的测向系统。介绍了基于比幅比相测向系统的工作原理、设计与实现,对系统的组成、工作流程、软硬件设计进行了详细说明,对系统测向指标在外场进行了飞行测试。结果表明,测向系统测向精度在2°以内,达到了设计要求,在工程应用中具有很高的实用价值和借鉴意义。
On the installation platform of unmanned helicopter,there is a need for 360°direction finding of communication and radar signals at 2~18 GHz.To solve this problem,an direction finding system based on amplitude and phase comparison is proposed.Firstly,the theory,design and implementation of the system are introduced,and the composition,process and software and hardware design are also explained in details.In addition,the flight test of direction finding indices is conducted in the outfield as well.The results show that its accuracy is within 2°,realizing the design requirements.It also means that the system has high practical and referential value in engineering applications.
作者
马友科
易卫明
李慧
MA Youke;YI Weiming;LI Hui(Hebei Key Laboratory of Electromagnetic SpectrumCognition and Control,Shijiazhuang 050081,China;The 54th Research Institute of CETC,Shijiazhuang 050081,China;Unit 75775,PLA,Kunming 650000,China)
出处
《计算机与网络》
2022年第6期51-55,共5页
Computer & Network
关键词
比幅比相
8阵元测向阵
无人直升机
amplitude and phase comparison
direction finding array of eight elements
unmanned helicopter
