STANDARD INTEGRATION FILTER (SIF) STATE SPECIFICATION AND ACCURACY PROJECTIONS

William R. Graham, Gary R. Johnston

Peer Reviewed

Abstract: A 27-state three-axis Standard Integration Filter @IF) model, formulated to integrate external navigation aids with all variants of the Air Force Standard INS, is presented. Linear covariance analysis is employed to predict rms horizontal and vertical navigation errors for integrated systems composed of combinations of medium- or high-accuracy gimballed or ring-laser gyro strapdown Standard INS variants and three navigation aids: Global Positioning System, Common Strategic Doppler Radar, and baro-altimeter. Projections are provided for several contrasting NAVAID suites and for missions over representative fighter and transport trajectories.
Published in: NAVIGATION, Journal of the Institute of Navigation, Volume 33, Number 4
Pages: 295 - 313
Cite this article: Graham, William R., Johnston, Gary R., "STANDARD INTEGRATION FILTER (SIF) STATE SPECIFICATION AND ACCURACY PROJECTIONS", NAVIGATION, Journal of The Institute of Navigation, Vol. 33, No. 4, Winter 1986-1987, pp. 295-313.
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