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Attitude Reference Properties of Inertial Navigation Systems

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1 Author(s)
Henry, J.L. ; Autonetics Division, North American Aviation, Inc., Downey, Calif.

Most attitude reference systems function quite well under laboratory conditions but suffer considerable degradation in operational environments. A discussion is given of the excellent attitude reference information inherent in inertial navigation systems. Some limitations in reference system accuracy as a function of the characteristics of the gyroscopes used are given. The discussion centers primarily on attitude information from earth-orientated inertial navigation systems and includes considerations of both level and azimuth attitude information. Degradation of azimuth information at higher latitude is also discussed.

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Military Electronics, IEEE Transactions on  (Volume:MIL-7 ,  Issue: 1 )