According to the basic theory of GPS navigation and SINS navigation, the comprehensive mathematic models of integrate navigation system is built under Earth Center Fixedcoordinatesystem.
An maximum likelihood registration algorithm based on earth-centered earth-fixed (ECEF) coordinatesystem is presented.
提出了一种基于地心坐标系(ECEF)的传感器极大似然配准算法。
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The rotor impedance is calculated from the rotor equations of motion in the fixed- coordinatesystem derived from the modal equations of blade in the rotating-coordinate system.