Abstract:

According to the relative position between the interceptor and the maneuvering target,using seeker spherical surface model,the paper gives out the line of sight (LOS) rate for guidance through strong tracking adaptive estimation based on current statistics model.Associated with seeker spherical surface model and covariance adaptive adjusts,Kalman filter is developed with relative position information transformed from LOS angle information.When information of LOS angle sequence is merely provided,the approach can give LOS rate with relatively high precision.

Key words: current , statistics , model,  , self-adaptive,  , strong , tracking,  , line-of-sight , rate,  , Kalman , filter