title: Explosion localization via infrasound.
abstract: Two acoustic source localization techniques were applied to infrasonic data and their relative performance was assessed. The standard approach for low-frequency localization uses an ensemble of small arrays to separately estimate far-field source bearings, resulting in a solution from the various back azimuths. This method was compared to one developed by the authors that treats the smaller subarrays as a single, meta-array. In numerical simulation and a field experiment, the latter technique was found to provide improved localization precision everywhere in the vicinity of a 3-km-aperture meta-array, often by an order of magnitude.
authors.forename: Curt A L
authors.initials: CA
authors.lastname: Szuberla
authors.forename: John V
authors.initials: JV
authors.lastname: Olson
authors.forename: Kenneth M
authors.initials: KM
authors.lastname: Arnoult
mesh_terms: D000162:Acoustics / Q000295:instrumentation*; D053834:Explosive Agents; D055593:Geological Phenomena; D006801:Humans; D008891:Military Science / Q000295:instrumentation*; D023481:Terrorism; D014857:Warfare
chemical_list: D053834:Explosive Agents