G - Physics – 01 – C
Patent
G - Physics
01
C
343/84
G01C 21/20 (2006.01) G01C 21/00 (2006.01) G01S 5/00 (2006.01) G09B 9/52 (2006.01)
Patent
CA 1292304
ABSTRACT A relative position navigation system and method installed in a first participant for computing the relative position, in range and azimuth, of at least one other participant in the system without using azimuth-sensing apparatus. The system includes ranging apparatus for determin- ing the distance between the first participant and the other selected participant for at least three selected points in time. A processor determines the change in position of the first participant relative to the second participant during the time periods between the first and second, and second and third points in time, and computes the "synthetic" (rather than measured) azimuth coordi- nate of the selected other participant relative to the first participant at the third point in time as a function of the distance and change in relative position data obtained by the system. The method includes the steps of deter- mining the distance between the two participants at three times, determining the change in position of the first participant relative to the second over the resulting two time intervals and computing the non-ambiguous solution for the relative position as a function of the distances and changes in relative position.
551224
Doane James R.
Sulecki Joan M.
Doane James R.
Ltv Aerospace And Defense Company
Smart & Biggar
Sulecki Joan M.
LandOfFree
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