Self-calibrating shooter estimation

Details Self-calibrating shooter estimation Self-calibrating shooter estimation

G - Physics

01

S

G01S 5/22 (2006.01) F41H 13/00 (2006.01)

Patent

CA 2635763

This invention relates to a method for compensating for sensor degradation in a multi-sensor shooter detection system, comprising the steps of: determining a time of arrival of shockwaves produced at the sensors by incoming shots; performing a least-squares regression for the shockwave arrival times at the sensors to determine a time residual; observing a contribution of each of the sensors to the time residual for a plurality of shots; and compensating for sensor degradation by assigning a weight for each sensor, said weight being inversely proportional to a contribution of said sensor to the time residual.

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