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对于空中的飞行体而言,需要了解彼此间位置、速度和航向等空间状态信息。空间状态信息一般可以通过外界导航与定位支持系统来获取,如GPS和INS等,但这些外界导航系统存在精度和战时可用性问题。提出利用相位差变化率方法解决两飞行体在二维平面运动模型、三维立体运动模型时相互之间的定位问题,并且进行了可观测分析,并探讨了此方法的优缺点及下一步改进思路。
For airborne bodies, space state information such as position, velocity and heading needs to be known. Spatial state information can generally be obtained through external navigation and positioning support systems, such as GPS and INS, but these external navigation systems have problems with accuracy and wartime availability. This paper proposes the use of the method of phase difference rate of change to solve the two-dimensional planar motion model and the three-dimensional three-dimensional motion model positioning problem between each other, and the observational analysis, and discusses the advantages and disadvantages of this method and the next step to improve ideas .