Research on TDOA Passive Tracking Algorithm Using Three Satellites
LI Ting-juna · Journal of Naval Aeronautical and Astronautical University · 2009
The passive location system based on satellites can realize passive scout for global radiation source on earth,and it has advantages of secret scout,large range and can not be limited by geographic position.A new method of the modified covariance extended Kalman filtering(MVEKF) was applied to passive location and tracking using three satellites for moving target in this paper.It can get over the defect that the EKF method can be affected by initial condition and measurement error,and it does not need the corrected function of observation equation.The emulation indicated that this method had faster speed and better tracking performance.