DBF和差波束测向设计与实现  

Design and implementation of direction finding system based on DBF sum-and difference-beam

作　　者：刘红[1] 

机构地区：[1]中国西南电子技术研究所,四川成都610036

出　　处：《电子设计工程》2018年第3期107-110,共4页Electronic Design Engineering

摘　　要：为了提高对无线电来波方向进行测量的精度和易于工程实现,采用数字波束合成方法形成和差波束的方法和VPX平台可以有效地满足对测向精度的要求。对和差波束的合成原理、测向方法和基于VPX平台的工作流程进行了阐述,对关键技术、核心算法及处理流程进行了详细描述。介绍了设备的硬件体系架构、软件设计、工作流程和实验。实验结果表明,此方法能提高对无线电来波方向进行实时测量的精度、设备运行稳定可靠、易于在实际工程中实现。To improve the precision of direction-finding system,using the sum-and-difference-beam of Digital Beam Forming(DBF)and open VPX platform can obviously enhance the system performance and easily to implement.The principles and methods of direction finding system based on sum-and-differencebeam are described;the key technologies,algorithms and signal process of direction-finding are demonstrated in detail;the devices based on the open VPX platform,hardware architecture,work flows and experiment results are also presented.From the experiment results,the system introduced in this paper,can find the direction of arrival,works reliably and easily to realize in engineering applications.

关 键 词：数字波束合成 和差波束 测向 VPX 

分 类 号：TN971[电子电信—信号与信息处理]