High accuracy coordinate conversion method for air traffic...

Details High accuracy coordinate conversion method for air traffic... High accuracy coordinate conversion method for air traffic...

G - Physics

01

S

343/49

G01S 7/295 (2006.01) G01S 13/91 (2006.01)

Patent

CA 1326282

Abstract of the Invention A computer method is disclosed for accurately transforming multiple radar observations of aircraft into a common coordinate system for air traffic control applications. The method involves a transformation from radar observables of the target slant range, azimuth and altitude to the target position coordinates in a stereographic system plane for display. The method includes a conformal coordinate conversion process from geodetic to conformal spherical coordinates followed by a conformal stereographic projection process onto a system display plane. The resulting display of aircraft position on the system plane is more accurate than has been available in the prior art.

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