An adaptive-adaptive multi-beamforming algorithm for electronic reconnaissance is introduced and proved.

Aiming at the speciality of transcendental noise statistics and linearization error of measurement model effecting on filter precision during extended kalman filter with applications to passive location of IRSTS,we constructed adaptive two-step filter algorithm model for passive location of IRSTS by means of integrating two-step filtering algorithm with Sage-Husa noise statistics estimator.

The results show that with auto-increment technique and two-steps simulation,the time of calculation is reduced efficiently and the analytical efficiency is enhanced .

Based on the rigid pushing model,a FE model with auto-increment technique was proposed.

The results show that with auto-increment technique and two-steps simulation,the time of calculation is reduced efficiently and the analytical efficiency is enhanced .

The adaptive notch filter converges more rapidly and estimates the signal frequency more precisely when the fixed step size is replaced with adaptive step size.

Parameters identification and adaptive synchronization of uncertain modified coupled dynamos system;

Global synchronization and adaptive synchronization for Chen s chaotic system;

Adaptive synchronization of Liao chaotic neural systems with time delay;

In this paper,a novel carrier phase recovery method based on the adaptive step algorithm is introduced,corresponding to the disadvantage of the fixed step in the old method.