Attitude measurement using a GPS receiver with two closely-spaced antennas
作者： Robert Pinto , James Kain
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摘要: A system determines three-dimensional attitude of a moving platform using signals from two closely spaced Global Positioning System (GPS) antennas. The includes three rate gyroscopes and accelerometers rigidly mounted in fixed relationship to the aid determining attitude. applies one GPS antennas sufficient channels receiver support navigation. second additional receive interferometry. resolves ambiguity normally associated with interferometric heading solution by having antennas, uses interferometry refine coarse estimate plus Inertial Measurement Unit (IMU) transfer alignment solution. achieves sub-meter spacing merging many temporal measurements memory provided IMU time-history
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