Two canonical forms, recalling the classical Kalman decompositions with respect to reachability and observability, are given. By taking advantage of this characterization, duality between control and ...

The electromagnetic wave (EW) propagation in the complex sea environment based on two-way parabolic equation (2WPE) method is presented in this paper. We introduce the improved fractal sa surface ...

SUMTER COUNTY, S.C. — The Sumter County Sheriff’s Office is investigating the deaths of two women found off a rural road in the Rembert area as a double homicide.