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Authors: Gabellone, A.*
Faggioni, O.*
Soldani, M.*
Guerrini, P.*
Title: CAIMAN Experiment
Editors: Giorgio Rittore
Issue Date: 5-Jun-2007
Keywords: Port protection
Underwater Magnetometers Array
Anti-intruders Underwater Barrier
High Definition Geomagnetism
Magnetic Noise Reduction
Abstract: Non-acoustic detection systems can be used in combination with Sonar systems to determine the presence of an underwater threat, such as terrorist divers. The goal of the CAIMAN (Coastal Anti Intruders MAgnetometers Network) joint experiment (Italian Navy, NATO Undersea Research Centre and INGV Marine Geophysics) is the application of High Definition Geophysics Magnetic techniques in a port protection scenario, where conventional measurements of very low magnetic sources, like intruder swimmers, are strongly disturbed by ambient, natural and artificial, background noise and other time-variant magnetic anomalies. Two tri-axial fluxgate magnetometers were deployed on the sea bottom and connected to a shore side measurement station. A team of navy divers, wearing both COTS and EOD equipment, performed some coastal approach runs on each magnetometer alternatively. Magnetic signature data were logged and post processed using MATLAB®. Results demonstrated the effectiveness of high definition time reduction techniques using a self-referred integrated array design.
Appears in Collections:05.01.01. Data processing
04.05.08. Instruments and techniques
Conference materials
04.05.04. Magnetic anomalies
05.01.05. Algorithms and implementation

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