基于球面波模型的L频段定位技术研究  

Research on L-Band Positioning Technology Based on Spherical Wave Model

作　　者：颜伏虎 汪小林[1] 朱弋[1] 甄体智 YAN Fuhu;WANG Xiaolin;ZHU Yi;ZHEN Tizhi(Sichuan Jiuzhou Electric Appliance Group Co.,Ltd.,Mianyang 621000,China)

机构地区：[1]四川九洲电器集团有限责任公司,四川绵阳621000

出　　处：《现代信息科技》2023年第11期48-51,共4页Modern Information Technology

摘　　要：作为一种重要的态势感知手段,针对空中运动目标的无源定位技术是国防军工领域的主要研究内容之一。文章采用长基线天线阵面,基于球面波模型完成相位提取、相位解模糊,并结合干涉仪测向所获得的辐射源入射角,实现L频段目标的单站瞬时无源定位,并对定位误差进行仿真分析。文章还提出采用射频光纤稳相传输技术,解决远距离射频信号传输带来的相位同步、射频衰减问题,为该技术的工程化实现提供切实可行的解决思路。As an important means of situational awareness,passive positioning technology for airborne moving targets is one of the main research content in the field of national defense and military industry.In this paper,the long baseline antenna array is used to complete phase extraction and phase ambiguity resolution based on the spherical wave model.Combined with the incident angle of the radiation source obtained by the interferometer direction finding,the single station instantaneous passive location of L-band targets is realized,and the positioning error is simulated and analyzed.This paper also proposes the use of RF fiber optic stable phase transmission technology to solve the phase synchronization and RF attenuation problems caused by long-distance RF signal transmission,providing practical and feasible solutions for the engineering implementation of this technology.

关 键 词：单站定位 干涉仪测向 球面波模型 相位模糊 

分 类 号：TN925[电子电信—通信与信息系统] TN98[电子电信—信息与通信工程]