Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6100
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dc.contributor.authorallPezzopane, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallScotto, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.date.accessioned2010-08-31T09:10:57Zen
dc.date.available2010-08-31T09:10:57Zen
dc.date.issued2010-09en
dc.identifier.urihttp://hdl.handle.net/2122/6100en
dc.description.abstractThis work describes a linear regression based method for highlighting the cuspidal trace on an ionogram. This method was initially thought to smooth out cases in which the autoscaling of the ionogram performed by Autoscala was erroneous because the F2 ordinary ray was identified as the extraordinary ray. Actually the development of this method turned out to also be very useful for filtering out noise and assisting the main algorithm of Autoscala to not be misled by multiple-hop sporadic E layer echoes. Applying the algorithm to different ionograms recorded by different ionosondes showed that the application of this method considerably improved the Autoscala performance. The role that this method plays in the light of existing algorithms is also discussed.en
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofComputers & Geosciencesen
dc.relation.ispartofseries9/36(2010)en
dc.subjectAutoscalaen
dc.subjectIonogramsen
dc.subjectImage filteringen
dc.subjectF2 layeren
dc.subjectIonosondeen
dc.titleHighlighting the F2 trace on an ionogram to improve Autoscala performanceen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber1168-1177en
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.99. General or miscellaneousen
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.05. Wave propagationen
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniquesen
dc.identifier.doi10.1016/j.cageo.2010.01.010en
dc.relation.referencesDing, Z., Ning, B., Wan, W., Liu, L., 2007. Automatic scaling of F2-layer parameters from ionograms based on the empirical orthogonal function (EOF) analysis of ionospheric electron density. Earth, Planets and Space 59(1), 51-58. DuCharme, E. D., Petrie, L. E., Eyfrig, R., 1973. A method for predicting the F1 layer critical frequency based on the Zurich smoothed sunspot number. Radio Science 8(10), 837-839. Fox, M. W., Blundell, C., 1989. Automatic scaling of digital ionograms. Radio Science 24(6), 747-761. Galkin, I. A., Reinisch, B. W., 2008. The New ARTIST 5 for all Digisondes. INAG (Ionosonde Network Advisory Group) bulletin 69, http://www.ips.gov.au/IPSHosted/INAG/web-69/index.html. Igi, S., Nozaki, K., Nagayama, M., Ohtani, A., Kato, H., Igarashi, K., 1993. Automatic Ionogram Processing Systems in Japan. Proceedings of Session G4 at the XXIVth General Assembly of the International Union of Radio Science (URSI), Kyoto, Japan, August 25 - September 2. Krasheninnikov, I., Pezzopane, M., Scotto, C., in press. Application of Autoscala to ionograms recorded by the AIS-Parus ionosonde. Computer & Geosciences. Pezzopane, M., Zuccheretti, E., Bianchi, C., Scotto, C., Zolesi, B., Cabrera, M. A., Ezquer, R. G., 2007. The new ionospheric station of Tucumán: first results. Annals of Geophysics 50(3), 483-492. Pezzopane, M., Scotto, C., 2007. The Automatic Scaling of Critical Frequency foF2 and MUF(3000)F2: a comparison between Autoscala and ARTIST 4.5 on Rome data. Radio Science 42, RS4003, doi:10.1029/2006RS003581. Pezzopane, M., Scotto, C., 2008. A method for automatic scaling of F1 critical frequencies from ionograms. Radio Science 43, RS2S91, doi:10.1029/2007RS003723. Pezzopane, M., Scotto, C., Stanislawska, I., Juchnikowski, G., 2008. Autoscala applied at the Ionospheric Station of Warsaw. INAG (Ionosonde Network Advisory Group) bulletin 69, http://www.ips.gov.au/IPSHosted/INAG/web-69/index.html. Reinisch, B. W., Huang, X., 1983. Automatic calculation of electron density profiles from digital ionograms 3. Processing of bottomside ionograms. Radio Science 18(3), 477-492. Romano, V., Pau, S., Pezzopane, M., Zuccheretti, E., Zolesi, B., De Franceschi, G., Locatelli, S., 2008. The electronic Space Weather upper atmosphere (eSWua) project at INGV: advancements and state of the art. Annales Geophysicae 26, 345-351. Scotto, C., Pezzopane, M., 2007. A method for automatic scaling of sporadic E layers from ionograms. Radio Science 42, RS2012, doi: 10.129/2006RS003461. Scotto, C., Pezzopane, M., 2002. A software for automatic scaling of foF2 and MUF(3000)F2 from ionograms. Proceedings of URSI 2002, Maastricht, 17-24 august (on CD). Tsai, L. C., Berkey, F. T., 2000. Ionogram analysis using fuzzy segmentation and connectedness techniques. Radio Science 35(5), 1173-1186. Zabotin, N. A., Wright, J. W., Zhbankov, G. A., 2006. NeXtYZ: Three-dimensional electron density inversion for dynaosnde ionograms Radio Science 41, RS6S32, doi:10.1029/2005RS003352. Zuccheretti, E., Tutone, G., Sciacca, U., Bianchi, C., Arokiasamy, B. J., 2003. The new AIS-INGV digital ionosonde. Annals of Geophysics 46(4), 647-659. Wakai N., Ohyama, H., Koizumi, T., 1987. Manual of ionogram scaling, 3rd version, radio research laboratory ministry of posts and telecommunications, Japan, 119pp.en
dc.description.obiettivoSpecifico1.7. Osservazioni di alta e media atmosferaen
dc.description.obiettivoSpecifico3.9. Fisica della magnetosfera, ionosfera e meteorologia spazialeen
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.contributor.authorPezzopane, M.en
dc.contributor.authorScotto, C.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
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.orcid0000-0001-5800-2322-
crisitem.author.orcid0000-0002-9437-6775-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent01. Atmosphere-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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