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Search in Parameters Space for Position and Orientation of a Flight Object in Correlation-Extremal Navigation

Keywords:

M. L. Uss, V. A. Komjak


A new algorithm for correlation-extremal navigational systems based on radiometric images of Earth surface has been proposed. Using of an intermediate level for comparison of current and etalon images – a virtual current image - is the characteristic feature of the proposed algorithm. This allows refining its characteristics in comparison with several existed algorithms. This refining includes: the dependence on the inertial navigation system accuracy reduction, widening the range of application conditions, increasing of the position finding accuracy, providing continuous range of correction altitudes. Statistical modeling of the proposed algorithm has been performed to verify provided position finding accuracyю
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