On the basis of spectrum moment description of a signal, evolutionary vector is developed to describe slowly time-varying noise processes. It describes the main time-varying properties of a signal. Applications to air...On the basis of spectrum moment description of a signal, evolutionary vector is developed to describe slowly time-varying noise processes. It describes the main time-varying properties of a signal. Applications to aircraft flying-over noise are presented.展开更多
文摘On the basis of spectrum moment description of a signal, evolutionary vector is developed to describe slowly time-varying noise processes. It describes the main time-varying properties of a signal. Applications to aircraft flying-over noise are presented.