Method for passively determining the relative position of a movi

Details Method for passively determining the relative position of a movi Method for passively determining the relative position of a movi

1989-05-22

1990-08-21

Chin, Gary

Boots, shoes, and leggings

364443, 73178R, G06F 1520

Patent

active

049512145

ABSTRACT:
A method for passive relative ranging between a position of a moving observer and a stationary remote object includes measuring a plurality of angles at the observer's position to the object from a reference direction at selected or arbitrary time intervals. From the measured angles, calculating the current relative location of the observer with respect to the object, using a non-recursive least square technique employing a Moore-Penrose pseudo-matrix-inverse. The technique is carried out in a general or special purpose digital computer by a program using a predetermined number of variables in which products derived from the measured angles are accumulated, without growth in the number or complexity of calculations with an increasing number of measured angles.

REFERENCES:
patent: 3975731 (1976-08-01), Latham et al.
patent: 4144571 (1979-03-01), Webber
patent: 4238824 (1980-12-01), DeMatte et al.
patent: 4495580 (1985-01-01), Keearns
patent: 4533918 (1985-08-01), Virnot

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