Earth-Centered, Earth-Fixed (ECEF) Coordinate System
Spatial Error Registration for Radar Networks Using Generalized Least Squares in ECEF Coordinate System
Calculating Satellite Velocity in Earth-Centered Earth-Fixed Frame Using 15 Ephemeris Parameters
Computation of satellite velocity and position in Earth-Centered Earth-Fixed (ECEF) coordinates using 15 ephemeris parameters, including 6 Keplerian orbital elements and 9 perturbation parameters