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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4488
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dc.contributor.authorallGabellone, A.; Italian Navy – Institute of Electronics and Communications “G. Vallauri”, MARITELERADAR - Viale Italia, 71 – 57126 Livorno - Italyen
dc.contributor.authorallFaggioni, O.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallSoldani, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallGuerrini, P.; NATO Undersea Research Centre, Viale San Bartolomeo, 400 – 19138 La Spezia - Italyen
dc.contributor.editorallGiorgio Rittoreen
dc.date.accessioned2008-12-05T14:33:51Zen
dc.date.available2008-12-05T14:33:51Zen
dc.date.issued2007-06-05en
dc.identifier.urihttp://hdl.handle.net/2122/4488en
dc.description.abstractNon-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.en
dc.language.isoEnglishen
dc.relation.ispartofUDT Europe 2007 Conferenceen
dc.subjectPort protectionen
dc.subjectUnderwater Magnetometers Arrayen
dc.subjectAnti-intruders Underwater Barrieren
dc.subjectHigh Definition Geomagnetismen
dc.subjectMagnetic Noise Reductionen
dc.titleCAIMAN Experimenten
dc.typeConference paperen
dc.description.statusPublisheden
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomaliesen
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniquesen
dc.subject.INGV05. General::05.01. Computational geophysics::05.01.01. Data processingen
dc.subject.INGV05. General::05.01. Computational geophysics::05.01.05. Algorithms and implementationen
dc.description.ConferenceLocationNaples, Italy, June 5-7, 2007en
dc.relation.references[1] O. Faggioni, “F05EX (Cala della Fornace 2005 Experiment), Protocollo Operativo, COMFORDRAG – ITALIAN NAVY, 2005; [2] O. Faggioni and F. Caratori Tontini, “Quantitative evaluation of the time-line reduction performance in high definition marine magnetic surveys”, Marine Geophysical Researches 23: 353-365, 2002; [3] O.Faggioni, N. Beverini, C. Carmisciano and I. Giori, “A metrologic method of anomaly field amplitude bottom reduction in under-sampled geomagnetic marine surveys”, Marine Geophysical Researches 22: 63-79, 2001; [4] E.J.W. Jones, “Marine Geophysics”, Chichester, John Wiley & Sons, 1999; [5] J. Waterman and J. Lam, “Distribution of magnetic field variations, differences and residuals”, SACLANTCEN SR- 304, 1999; [6] R.L. Parker, “Coherence of signals form magnetometers parallel paths”, Journal of Geophysics Research 102: 5111-5117, 1997; [7] J.P. Hermand, “The Formiche ’89 experiment: Spatial and temporal variability of magnetic ambient noise”, SACLANTCEN SR-176, 1991; [8] A. de Bruijn, “Magnetic detection by a tri-axial magnetometer”, SACLANTCEN SM-233 (NATO CONFIDENTIAL), 1990; [9] J.A. Jacobs, “Geomagnetism”, Vol. 1, New Jork, NY Academic Press, 1987; [10] J.S. Bendat and A.G. Piersol, “Random Data: Analysis and Mesurement Procedures”, New York, NY Wiley, 1986; [11] E.R. Kanasewich, “Time Sequence Analysis in Geophysics”, The University of Alberta Press, 1981; [12] F. Primdahl, “The fluxgate magnetometer”, Journal of Physics (E) 12: 241-253, 1979; [13] T. Nagata, “Morphology of magnetic disturbance”, Handbuch der Ohysics, Vol. XLIX/3: 1-130, Springer, Berlin, 1972; [14] E. Selzer, “Variations rapides du champ magnetique terrestre”, Handbuch der Physics: 231-394, Springer, Berlin, 1972 ; [15] P.S. Naidu, “Fourier transform of large scale aeromagnetic field using a modified version of the Fast Fourier Transform”, Pure Appl. Geophysics 51: 1277-1284, 1970; [16] M.J. Davidson, “Average diurnal characteristics of geomagnetic power spectrum in the period range 4.5 to 1000 sec., Journal of Geophysical Research 69: 5116-5119, 1964; [17] M.N. Hill and C.S. Mason, “Diurnal variations of the earth’s magnetic field at sea”, Nature 195: 365-366, 1962.en
dc.description.obiettivoSpecifico1.6. Osservazioni di geomagnetismoen
dc.description.obiettivoSpecifico2.5. Laboratorio per lo sviluppo di sistemi di rilevamento sottomarinien
dc.description.obiettivoSpecifico3.4. Geomagnetismoen
dc.description.fulltextopenen
dc.contributor.authorGabellone, A.en
dc.contributor.authorFaggioni, O.en
dc.contributor.authorSoldani, M.en
dc.contributor.authorGuerrini, P.en
dc.contributor.departmentItalian Navy – Institute of Electronics and Communications “G. Vallauri”, MARITELERADAR - Viale Italia, 71 – 57126 Livorno - Italyen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentNATO Undersea Research Centre, Viale San Bartolomeo, 400 – 19138 La Spezia - Italyen
item.openairetypeConference paper-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptItalian Navy – Institute of Electronics and Communications “G. Vallauri”, MARITELERADAR - Viale Italia, 71 – 57126 Livorno - Italy-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptNURC – La Spezia, Italy-
crisitem.author.orcid0000-0002-9772-3453-
crisitem.author.orcid0000-0001-7039-2781-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent05. General-
crisitem.classification.parent05. General-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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