TY JOUR TI Modal synthesis of estimator of unmeasured state variables for ship course stabilization system KW synthesis algorithm KW dynamic observer KW modal method KW model KW state variable evaluator KW modeling KW transient processes JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Sakharov, V.. AU Chertkov, A.. AU Kask, Y.. PY 2022 IS PB Astrakhan State Technical University