Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/8519
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dc.contributor.authorallBianchi, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallBaskaradas, J. A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallPietrella, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallSciacca, U.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.contributor.authorallZuccheretti, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.date.accessioned2013-02-18T10:52:11Zen
dc.date.available2013-02-18T10:52:11Zen
dc.date.issued2013-02en
dc.identifier.urihttp://hdl.handle.net/2122/8519en
dc.description.abstractA series of Power Virtual Height measurements (PVH) of radio echoes reflected from the ionosphere were acquired at a given frequency during the period 3–22 January 2008 with the purpose of studying the slow fading variations through time of the ionospheric channel. To obtain PVH data, an ionospheric vertical sounding system was suitably adapted to work at a single fixed frequency. PVH measurements were recorded between two routine ionospheric vertical soundings, providing a data type that enables evaluation of fading fluctuation through time. The time stability of the ionospheric layers is determined by analyzing the level of the received signal power within a chosen threshold. In this paper the fading behaviour and its characteristics are described, considering only temporal periodicity above 0.5 s. In a further analysis a relation is demonstrated between the recorded fading and the time stability of the signal within a fixed interval of values.en
dc.language.isoEnglishen
dc.publisher.nameElsevier Science Limiteden
dc.relation.ispartofAdvances in space researchen
dc.relation.ispartofseries/ 51 (2013)en
dc.subjectIonospheric soundingsen
dc.subjectFading fluctuationen
dc.subjectTime-variant ionospheric channelen
dc.titlePower variation analysis of echo signals from ionospheric reflectorsen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber722–729en
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.subject.INGV05. General::05.01. Computational geophysics::05.01.04. Statistical analysisen
dc.identifier.doi10.1016/j.asr.2012.09.045en
dc.relation.referencesBianchi, C., Altadill, D. Ionospheric Doppler measurements by means of HF-radars techniques. Ann. Geophys. 48 (6), 989–993, 2005. Bianchi, C., Sciacca, U., Tabacco, E., Zirizzotti, A., Zuccheretti, E. On the shape of reflecting surfaces investigated by a 60 MHz radar. Int. J. Remote Sens. 24 (15), 3049–3058, 2003. Booker, H.G., Tao, Jing-Wei A scintillation theory of the fading of HF waves returned from the F-region: receiver near transmitter. J. Atmos. Terr. Phys. 49 (9), 915–938, 1987. Davies, K. Ionospheric Radio. Peter Peregrinus Ltd., London, United Kingdom, pp. 236–237, 1990. Hunsucker, R.D. Radio Technique for Probing the Terrestrial Ionosphere. Springer Verlag, 1991. James, H.G., Gillies, R.G., Hussey, G.C., Prikryl, P. HF fades caused by multiple wave fronts detected by a dipole antenna in the ionosphere. Radio Sci. 41, RS4018, http://dx.doi.org/10.1029/2005RS003385, 2006. Kadambi, G.R., Krishnan, K., Karthikeyan, B.R. HF channel estimation for MIMO systems based on particle filter technique. J. Commun. 5 (9), 674–683, 2010. Mc Namara, L.F. The Ionosphere: Communications, Surveillance, and Direction Finding. Krieger Pub. Co., 1991. Pietrella, M., Zuccheretti, E. Coerenza: a software tool for computing the maximum coherence times of the ionosphere. Comput. Geosci. 36 (12), 1504–1511, 2010. Proakis, J.G. Digital Communications, third ed McGraw-Hill, 1995. Sklar, B. Digital Communications, Fundamentals and Applications, second ed Prentice Hall, New Jersey, 2001. Skolnik, M.I. Radar Handbook. McGraw Hill, NY, 1997. Vijaya Bhaskara Rao, S., Rama Rao, T., Gunasekhara Reddy, V., Lakshmi, D.R., Veenadhari, B., Dabas, R.S., Iqbal, A., Gupta, M.M., Reddy, B.M. HF radio signal fading and atmospheric radio noise measurements at low latitudes. Radio Sci. 37 (5), 1083, http:// dx.doi.org/10.1029/2001RS002495, 2002. Yau, K.S.B., Coleman, C.J., Cervera, M.A. Investigation on fading of high frequency radio signals propagating in the ionosphere – results from a Jindalee radar experiment, in: 10th IET International Conference on Ionospheric Radio Systems and Techniques (IRST 2006) IET Conf. Pub., vol. 2006, issue CP517, pp. 7–11, 2006. Zuccheretti, E., Tutone, G., Sciacca, U., Bianchi, C., Baskaradas, J.A. The new AIS-INGV digital ionosonde. Ann. Geophys. 46 (4), 647–659, 2003.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.fulltextrestricteden
dc.relation.issn0273-1177en
dc.relation.eissn1879-1948en
dc.contributor.authorBianchi, C.en
dc.contributor.authorBaskaradas, J. A.en
dc.contributor.authorPietrella, M.en
dc.contributor.authorSciacca, U.en
dc.contributor.authorZuccheretti, E.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
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
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.deptSAP, School of Electrical and Electronics Engineering-
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.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.orcid0000-0002-0217-5379-
crisitem.author.orcid0000-0001-9069-4090-
crisitem.author.orcid0000-0002-8137-3102-
crisitem.author.orcid0000-0003-1732-4557-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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.parent05. General-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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