Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru

Descripción del Articulo

Poster presented at the 2023 CEDAR Workshop, San Diego-CA, USA, June 25-30.
Detalles Bibliográficos
Autores: Vásquez, V., Milla, M., Kuyeng, Karim, Gonzales, J., Scipión, Danny
Formato: objeto de conferencia
Fecha de Publicación:2023
Institución:Instituto Geofísico del Perú
Repositorio:IGP-Institucional
Lenguaje:inglés
OAI Identifier:oai:repositorio.igp.gob.pe:20.500.12816/5446
Enlace del recurso:http://hdl.handle.net/20.500.12816/5446
Nivel de acceso:acceso abierto
Materia:HF radar
Coherent echoes
Multifrequency transmitting
Clustering algorithm
https://purl.org/pe-repo/ocde/ford#1.05.01
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dc.title.es_ES.fl_str_mv Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
title Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
spellingShingle Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
Vásquez, V.
HF radar
Coherent echoes
Multifrequency transmitting
Clustering algorithm
https://purl.org/pe-repo/ocde/ford#1.05.01
title_short Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
title_full Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
title_fullStr Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
title_full_unstemmed Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
title_sort Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
author Vásquez, V.
author_facet Vásquez, V.
Milla, M.
Kuyeng, Karim
Gonzales, J.
Scipión, Danny
author_role author
author2 Milla, M.
Kuyeng, Karim
Gonzales, J.
Scipión, Danny
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Vásquez, V.
Milla, M.
Kuyeng, Karim
Gonzales, J.
Scipión, Danny
dc.subject.es_ES.fl_str_mv HF radar
Coherent echoes
Multifrequency transmitting
Clustering algorithm
topic HF radar
Coherent echoes
Multifrequency transmitting
Clustering algorithm
https://purl.org/pe-repo/ocde/ford#1.05.01
dc.subject.ocde.es_ES.fl_str_mv https://purl.org/pe-repo/ocde/ford#1.05.01
description Poster presented at the 2023 CEDAR Workshop, San Diego-CA, USA, June 25-30.
publishDate 2023
dc.date.accessioned.none.fl_str_mv 2023-08-22T16:07:16Z
dc.date.available.none.fl_str_mv 2023-08-22T16:07:16Z
dc.date.issued.fl_str_mv 2023-06
dc.type.es_ES.fl_str_mv info:eu-repo/semantics/conferenceObject
format conferenceObject
dc.identifier.uri.none.fl_str_mv http://hdl.handle.net/20.500.12816/5446
url http://hdl.handle.net/20.500.12816/5446
dc.language.iso.es_ES.fl_str_mv eng
language eng
dc.rights.es_ES.fl_str_mv info:eu-repo/semantics/openAccess
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eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.format.es_ES.fl_str_mv application/pdf
dc.publisher.es_ES.fl_str_mv 2023 CEDAR Workshop
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instname_str Instituto Geofísico del Perú
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reponame_str IGP-Institucional
collection IGP-Institucional
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spelling Vásquez, V.Milla, M.Kuyeng, KarimGonzales, J.Scipión, Danny2023-08-22T16:07:16Z2023-08-22T16:07:16Z2023-06http://hdl.handle.net/20.500.12816/5446Poster presented at the 2023 CEDAR Workshop, San Diego-CA, USA, June 25-30.The HF radar is a network of HF radio beacons and receivers for ionospheric sounding, and it has been operating in Peru since 2016. The purpose of this instrument is to measure the group delay, Doppler shift, power, and other parameters in order to estimate the regional plasma density as a function of space and time. This information is crucial for forecasting the occurrence of Spread-F. To improve the quality of the spectral data, two changes were made. The first one involved transmitting frequencies separated by 3.3 Hz in each transmission station, which allowed to spectrally separate and identify the signals coming from a given station, displacing the cross-talk in frequency but not eliminating it. Therefore, the second change was made, which corresponds to the development of an algorithm that extracts only the signals of interest from the measured spectrum. It is capable of detecting clusters of data in the spectra classifying them as coherent echoes, while noise sectors are discarded. The algorithm procedure and the comparisons of the spectra and final data are shown in this work.application/pdfeng2023 CEDAR Workshopinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/4.0/HF radarCoherent echoesMultifrequency transmittingClustering algorithmhttps://purl.org/pe-repo/ocde/ford#1.05.01Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peruinfo:eu-repo/semantics/conferenceObjectreponame:IGP-Institucionalinstname:Instituto Geofísico del Perúinstacron:IGPORIGINALPoster_Vasquez_et_al_2023_CEDAR_Workshop.pdfPoster_Vasquez_et_al_2023_CEDAR_Workshop.pdfapplication/pdf1882202https://repositorio.igp.gob.pe/bitstreams/2dafb416-44c9-4a69-8ce5-a05b28e7fd4f/downloadd03ac182927f9fd0fcb0e5b1e74bc7a6MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81748https://repositorio.igp.gob.pe/bitstreams/cfb7d322-a766-486f-a3f4-71705d103918/download8a4605be74aa9ea9d79846c1fba20a33MD52TEXTPoster_Vasquez_et_al_2023_CEDAR_Workshop.pdf.txtPoster_Vasquez_et_al_2023_CEDAR_Workshop.pdf.txtExtracted texttext/plain6805https://repositorio.igp.gob.pe/bitstreams/0f74cb5c-8f98-4741-888f-258df87cb574/download357c8cbad9866f8f61468abc293f109fMD53THUMBNAILPoster_Vasquez_et_al_2023_CEDAR_Workshop.pdf.jpgPoster_Vasquez_et_al_2023_CEDAR_Workshop.pdf.jpgIM Thumbnailimage/jpeg155823https://repositorio.igp.gob.pe/bitstreams/48cf7d22-3cc5-4d50-8d20-506a079ebcea/download48c4e204fa5397168a3a4718b49113adMD5420.500.12816/5446oai:repositorio.igp.gob.pe:20.500.12816/54462023-11-06 15:51:34.783https://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessopen.accesshttps://repositorio.igp.gob.peRepositorio Geofísico del Perudspace-help@myu.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Clustering and data reduction algorithm applied to spectra measured with a multi-static HF sounding system in Peru
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