摘要
干涉仪属于无源定位系统,该技术有着重要的军事应用背景,现有国内单站无源定位都存在定位时间长,精度较低的问题。给出了仅利用干涉仪的多普勒频移量测值,通过扩展卡尔曼滤波的方法对固定辐射源定位,该方法与传统方法相比,具有精度高、收敛速度快,对初值不敏感的优点。仿真结果证明了本方法的有效性。
The interferometer is a kind of passive positioning device with significant military value. Most of the passive positioning method require long convergence time and acquire low precision. The Doppler frequency shift is used in immobile radiation source positioning by extended Kalman filtering algorithm. This method has high precision, fast convergence and not sensitive to the initial conditions. The simulation results demonstrate the effectiveness of the algorithm.
出处
《系统仿真学报》
CAS
CSCD
北大核心
2005年第6期1525-1527,共3页
Journal of System Simulation
关键词
干涉仪
扩展卡尔曼滤波
多普勒频移
无源定位
interferometer
extended kalman filtering
doppler frequency shift
passive positioning
