Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/1186
DC Field | Value | Language |
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dc.contributor.authorall | Nisii, V.; OSSERVATORIO VESUVIANO (I.N.G.V.) NAPOLI | en |
dc.contributor.authorall | Saccorotti, G.; OSSERVATORIO VESUVIANO (I.N.G.V.) NAPOLI | en |
dc.contributor.authorall | Del Pezzo, E.; OSSERVATORIO VESUVIANO (I.N.G.V.) NAPOLI | en |
dc.date.accessioned | 2006-06-30T09:03:35Z | en |
dc.date.available | 2006-06-30T09:03:35Z | en |
dc.date.issued | 2005-12-09 | en |
dc.identifier.uri | http://hdl.handle.net/2122/1186 | en |
dc.description.abstract | Volcanic signals are one of the most difficult subject of study for seismologists. The lack of clear body-wave phase arrivals and the rapid loss of signal coherence with distance make generally impossible application of traditional location techniques based on travel times inversion. Overthe past ten years,however,the wides pread application of multichannel techniques hasal lowed forrobust and reliable locations of these signals over abroad range of frequencies. Consequent to the largely increased computing capabilities, array processing in Volcano Observatories is now developing to ward thereal-time detection and tracking of volcanic sources. However,the energy of volcanic signals may spread over abroad frequency interval(Fig.1).The successful detection and measurement of these signals requirest herefore subsequent band-pass filtering operations, and exact tayloring of the time window lengthsto the central frequency of each filter. Exploting the localisation properties of Continuos Wavelet Transforms (CWT)in the time and frequency /scaledomains,in this workweuse multichannel Wavelet Coherence (WCO)toperform signal detection from local correlation information. For the time/scale regions of high multichannel coherence, wethenextend the MUltiple Signal Classification (MUSIC) methodto the spatial covariance matrice sobtained from the complex-valued wavele tcoefficient timeseries | en |
dc.format.extent | 3770374 bytes | en |
dc.format.mimetype | application/pdf | en |
dc.language.iso | English | en |
dc.relation.ispartof | AGU 2005 | en |
dc.subject | Seismic wavefield | en |
dc.subject | array processing | en |
dc.title | SEISMIC WAVEFIELD ARRAY PROCESSING ANALYSIS USING WAVELET COHERENCE | en |
dc.type | Conference paper | en |
dc.description.status | Unpublished | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology | en |
dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis | en |
dc.description.ConferenceLocation | San Francisco, California, USA | en |
dc.description.fulltext | open | en |
dc.contributor.author | Nisii, V. | en |
dc.contributor.author | Saccorotti, G. | en |
dc.contributor.author | Del Pezzo, E. | en |
dc.contributor.department | OSSERVATORIO VESUVIANO (I.N.G.V.) NAPOLI | en |
dc.contributor.department | OSSERVATORIO VESUVIANO (I.N.G.V.) NAPOLI | en |
dc.contributor.department | OSSERVATORIO VESUVIANO (I.N.G.V.) NAPOLI | en |
item.openairetype | Conference paper | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.orcid | 0000-0003-2915-1446 | - |
crisitem.author.orcid | 0000-0002-6981-5967 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
Appears in Collections: | Conference materials |
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File | Description | Size | Format | |
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agu_2005.pdf | 3.68 MB | Adobe PDF | View/Open |
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