基于相位差变化率定位算法的研究

Research into The Locating Algorithm Based on Phase Difference Rate

描述了基于相位差变化率的定位算法原理,并利用卫星工具开发包(STK)软件进行仿真实验,从工程应用的角度引入卡尔曼滤波算法和扩展卡尔曼滤波算法(EKF),从不同测向精度、不同相位差变化率精度、不同基线长度及不同截距等方面进行实验分析比对,验证了此方法的有效性、抗噪性和实用性。

This paper describes the theory of locating algorithm based on phase difference rate,and use satellite tool kit （STK） software to perform the simulation experiment,introduces Kalman fil- tering algorithm and extended Kalman filtering （EKF） algorithm from the angle of engineering ap- plication, performs the experiment analysis and comparison from the aspects of different direction- finding accuracy, different phase difference rate accuracy, different baseline length and different in- tercept range, etc. , which validates the validity, anti-noise performance and practicality of the method.