Sandia Inertial Terrain-Aided Navigation (SITAN) provides continuous position fixes to an inertial navigation system (INS) by real-time comparison of radar altimeter ground clearance measurements with stored digital terrain elevation data (DTED). This is accomplished by using an extended Kalman filter algorithm to estimate the errors in the reference trajectory provided by an INS. In this report, Sandia National Laboratories documents the results of a reimbursable effort funded by the Air Force Wright Aeronautical Laboratories (AFWAL) Avionics Laboratory to flight test SITAN as implemented onboard the Advanced Fighter Technology Integration (AFTI)F-16. 5 refs., 101 figs., 1 tab. (ERA citation 14:009100)


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    Title :

    AFTI/SITAN (Advanced Fighter Technology Integration/Sandia Inertial Terrain-Aided Navigation) Final Report


    Contributors:

    Publication date :

    1988


    Size :

    134 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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