Systems and methods for disambiguating shooter locations

Details Systems and methods for disambiguating shooter locations Systems and methods for disambiguating shooter locations

G - Physics

01

S

G01S 5/22 (2006.01) F41H 13/00 (2006.01) G06N 3/12 (2006.01)

Patent

CA 2635945

A method for estimating a shooter range by detecting shock wave and muzzle blast, comprising: measuring shockwave-only signals at a plurality of spaced acoustic sensors forming an antenna; measuring a muzzle blast signal at the plurality of acoustic sensors; determining from the measured shock wave and muzzle blast signals an initial estimate of the shooter range; assuming an initial bullet velocity and a bullet drag coefficient; and iteratively computing an instantaneous bullet velocity along a bullet trajectory to obtain an updated shooter range.

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