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Activity title

Acoustic Transient Threat Detection Sensors & Signal Processing for Battlefield Situational Awareness

Activity Reference

SET-233

Panel

Sensors & Electronics Technology

Security Classification

NATO UNCLASSIFIED

Status

Active

Activity type

RTG

Start date

2016

End date

2019

Keywords

Acoustic, array, fusion, network, particle velocity, processing, sensors, transient, vector sensor

Background

NATO and coalition forces from around the world are regularly threatened with hostile fire from rifles, rocket propelled grenades (RPGs), mortars, rockets, artillery, and from improvised explosive devices (IEDs). There is a need for international cooperation to advance the current technology of acoustic transient threat detection, localization, and classification in complex battlefields. Better performing systems on mobile soldiers, vehicles and airborne platforms such as aerostats and unmanned aerial systems (UAS), as well as fixed sites, are needed to protect our Soldiers during coalition operations such as patrols, force protection (e.g., base protection), main supply route (MSR) monitoring and border control. The coalition missions and operational environments are constantly changing, and the threats and tactics are adapting quickly. As such, there is a strong need within NATO and partnering Nations to better understand, leverage, and to work collectively to develop advanced acoustic sensors, signal processing, propagation modeling, and distributed fusion techniques to ensure robust performance in harsh environments that include wind/flow noise, platform vibrations/noise, reverberant and diffractive urban areas, and complex propagation channels effected by meteorological (MET), ground impedance, vegetation and terrain. The RSM has strong links to Defence Against Terrorism (DAT) such as DAT#3, DAT#7, DAT#9, DAT#10, and NATO’s Long-Term Capability Requirements (LTCR) such as LTCR #7 and LTCR #8.

Objectives

The proposed task group seeks to achieve significant improvements in acoustic transient event detection, localization, classification, propagation effects mitigation, and multimodal sensor fusion through joint and collaborative research, field experimentation in diverse environments, data exchange and algorithm development.

Topics

Topical areas and applications include, but are not limited to the following: - Unattended acoustic and multimodal sensors systems for wide area persistent situational awareness - Acoustic sensors & array geometries tailored for Soldier-worn, ground- and air-platforms, and base/perimeter defense - Small aperture arrays and acoustic particle velocity (vector intensity) sensing - Wind, flow, and noise mitigation strategies, hardware, and processing - Advanced algorithms for detection, tracking and classification of acoustic threats - Multi-modal sensing and fusion - Predictive tools for sensor implementation and optimization of performance, to include modeling and simulation - Enabling network methodologies to merge and fuse homogeneous & heterogeneous sensor system solutions - Field experimentation, threat detection exercises, demonstrations and lessons learned

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