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Fading memory based terrain elevation matching

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3 Author(s)
Feng Qingtang ; Sch. of Electromechanical Eng. & Autom., National Univ. of Defense Technol., Changsha, China ; Shen Lincheng ; Chang Wensen

Terrain elevation matching (TEM) is the concept of using terrain height variations below the aircraft to render a position estimate that is used to bind the error of INS. A new TEM approach using fading memory has been proposed. The basic idea of this approach is using a new correlation function to estimate navigation position. The correlation function is defined by all history measurements with fading memory weight. It is shown via a set of simulations that the method can improve the precision of TEM compare to TERCOM.

Published in:

Intelligent Control and Automation, 2004. WCICA 2004. Fifth World Congress on  (Volume:6 )

Date of Conference:

15-19 June 2004