单站定位中切向与径向运动测距模型的等价性分析  

Analysis on Equivalence between Tangential and Radial Motion Ranging Model for Single Observer Location

作　　者：石荣 杜宇 SHI Rong;DU Yu(Science and Technology on Electronic Information Control Laboratory,Chengdu 610036,China)

机构地区：[1]电子信息控制重点实验室,四川成都610036

出　　处：《无线电工程》2019年第1期42-46,共5页Radio Engineering

基　　金：国家部委基金资助项目

摘　　要：单站无源定位在电子侦察应用中占重要地位。在对单站无源定位的2种不同理论模型简要回顾的基础上,基于干涉仪测向应用对通道间相位差变化率测量与频差测量过程进行了分析,通过相位差变化率与频差这2个物理量之间的固有关系,从理论上证明了单站无源定位中切向运动测距模型与径向运动测距模型的等价性,并通过仿真对上述理论分析结果进行了验证,揭示了单站无源定位中2种不同理论模型的统一性,从而为上述理论模型的工程应用边界条件分析提供了重要参考。The single observer passive location plays an important role in electronic reconnaissance application.This paper reviews briefly the two different theoretical models in single observer passive location,and analyzes the measurement processes of phase difference changing rate and frequency difference between two channels in the interferometer direction finding.The equivalence between tangential and radial motion ranging model for single observer passive location is theoretically proved through the inherent relationship between two physical quantities of phase difference changing rate and frequency difference in the interferometer.The results of theoretical analysis are verified by simulations.The results prove the unity of two different theoretical models in the single observer passive location.It is an important reference for the engineering application condition analysis on these theoretical models.

关 键 词：单站定位 切向运动测距 径向运动测距 干涉仪测向 相位差变化率 多普勒变化率 高精度频差测量 模型等价性 

分 类 号：TN971[电子电信—信号与信息处理]