We treated the GPS data by Kalman filter to improve the position precision, and the result is adopted to deal with ADF and Doppler Navigation System precision estimating.

• 本文对GPS的数据采用卡尔曼滤波方法处理，并将该方法应用于实际飞行对无线电罗盘、多普勒导航系统的定向、定位精度考核。