Acoustic sniper localization

Acoustic signals of small arm's fire, the muzzle blast and
the shock wave generated by a supersonic bullet in air, are difficult to mask
and can be exploited for localization of the hidden sniper. This paper presents
the system of acoustic measurements, based on a number of both directional and
omnidirectional microphones detecting the shock wave only, yielding exact
solution for the sniper direction in spite of certain errors in the directional
measurements. The system has a self-correcting ability concerning the sound
directional measurements which contributes to the system technical feasibility.
Auxiliary muzzle blast measurements would yield the sniper position. Key words:
shock waves, measurements.