Network of acoustic sensors for the detection of weapons firing: tests for the choice of individual sensing elements

P. Naz; Ch. Marty; S. Hengy; P. Hamery

doi:10.1117/12.852537

7 May 2010 Network of acoustic sensors for the detection of weapons firing: tests for the choice of individual sensing elements

P. Naz, Ch. Marty, S. Hengy, P. Hamery

Author Affiliations +

Proceedings Volume 7694, Ground/Air Multi-Sensor Interoperability, Integration, and Networking for Persistent ISR; 76940X (2010) https://doi.org/10.1117/12.852537
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

The detection and localization of weapon firing on the battlefield is envisaged by means of acoustic waves. The main objective of this work is to compare various sensing elements that can be integrated in acoustic arrays. Experimental measurements of sound waves obtained by using some of these elements in Unattended Ground Sensors are presented for snipers, mortars or artillery guns. The emphasis will be put on the characteristics of the sensing elements needed to detect and classify the Mach wave generated by a supersonic projectile and the muzzle wave generated by the combustion of the propulsion powder. Examples of preliminary prototypes are presented to illustrate our topic. We will concentrate on a wearable system considered to improve the soldier's awareness of the surrounding threats: this realization consists of a network of three helmets integrating an acoustic array for the detection and localization of snipers.

Citation Download Citation

P. Naz, Ch. Marty, S. Hengy, and P. Hamery "Network of acoustic sensors for the detection of weapons firing: tests for the choice of individual sensing elements", Proc. SPIE 7694, Ground/Air Multi-Sensor Interoperability, Integration, and Networking for Persistent ISR, 76940X (7 May 2010); https://doi.org/10.1117/12.852537

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