High speed marine vehicles such as Surface Effect Ships impose several unique constraints on navigation system design. Particularly significant is the current lack of a reliable and accurate velocity sensor during high speed cruise operation.
This paper describes the accuracy performance of several mixed inertial navigation systems which do not involve the use of a velocity sensor. Specifically considered are NAVSATINERTIAL, OMEGA‐INERTIAL, and NAVSAT‐OMEGA‐INERTIAL systems. The accuracy performance information which is presented presumes the use of optimal (Kalman) processing of the available position data.
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