Enhanced global positioning system delta-range processing

Details Enhanced global positioning system delta-range processing Enhanced global positioning system delta-range processing

G - Physics

01

S

343/69

G01S 5/02 (2006.01)

Patent

CA 1254637

ENHANCED GLOBAL POSITIONING SYSTEM DELTA RANGE PROCESSING By Alison Brown Abstract of the Invention A circuit is shown which utilizes signals trans- mitted from global positioning system satellites to create change in phase signals. The change in phase signals are measured over a predetermined time interval, one second, and stored. The stored signals are applied to a Kalman filter and back to the storage unit so that each one second time interval includes the information from all previous time intervals. This accumulated information is referred to as accumulted Delta-Range information which permits a more rapid determination of position by the circuit.

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