W Quan, L Xu,
H Zhang, J Fang - Chinese Journal of Aeronautics, 2013 - Elsevier
… The extended Kalman filter (EKF) method is widely used in nonlinear systems.[6], [7], [8], [9], …
The unscented Kalman filter (UKF) method was presented by Juliear and Uhlman in 1995, …