FIELD: measurement equipment.
SUBSTANCE: linear speed of an aircraft is determined through projections of its vector to horizontal and vertical planes. At each k time moment there used is data that is supplied from a television system included in an optic electronic system and from a thermal direction finder included in the optic electronic system. Besides, current values of yawing angles of the aircraft and pitching angles of the aircraft are used at k and (k-1) time moments respectively. Angular speed of the change of the aircraft yawing angle ωψk and angular speed of the change of the aircraft pitching angle ωϑk at k time moment is determined.
EFFECT: improving measurement accuracy of linear speed of an aircraft using non-radar information.
1 dwg
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Authors
Dates
2013-08-10—Published
2011-03-03—Filed