{"id":"https://openalex.org/W2006934869","doi":"https://doi.org/10.1109/igarss.2015.7326684","title":"Observations of field-aligned irregularities in the ionosphere using multi-frequency range imaging technique","display_name":"Observations of field-aligned irregularities in the ionosphere using multi-frequency range imaging technique","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W2006934869","doi":"https://doi.org/10.1109/igarss.2015.7326684","mag":"2006934869"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2015.7326684","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7326684","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5041994079","display_name":"Jenn-Shyong Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I184693016","display_name":"China Medical University","ror":"https://ror.org/00v408z34","country_code":"TW","type":"education","lineage":["https://openalex.org/I184693016"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jenn-Shyong Chen","raw_affiliation_strings":["Center for General Education, China Medical University, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for General Education, China Medical University, Taiwan","institution_ids":["https://openalex.org/I184693016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091840765","display_name":"Yen\u2010Hsyang Chu","orcid":"https://orcid.org/0000-0002-9451-7988"},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yen-Hsyang Chu","raw_affiliation_strings":["Institute of Space Science, National Central University, Taiwan","Institute of Space Science, National Central University, Taiwan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Space Science, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]},{"raw_affiliation_string":"Institute of Space Science, National Central University, Taiwan#TAB#","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112506194","display_name":"Ching\u2010Lun Su","orcid":null},"institutions":[{"id":"https://openalex.org/I22265921","display_name":"National Central University","ror":"https://ror.org/00944ve71","country_code":"TW","type":"education","lineage":["https://openalex.org/I22265921"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ching-Lun Su","raw_affiliation_strings":["Institute of Space Science, National Central University, Taiwan","Institute of Space Science, National Central University, Taiwan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Space Science, National Central University, Taiwan","institution_ids":["https://openalex.org/I22265921"]},{"raw_affiliation_string":"Institute of Space Science, National Central University, Taiwan#TAB#","institution_ids":["https://openalex.org/I22265921"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073763555","display_name":"Hiroyuki Hashiguchi","orcid":"https://orcid.org/0000-0001-8033-0955"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroyuki Hashiguchi","raw_affiliation_strings":["Research Institute for Sustainable Humanosphere, Kyoto University, Japan","[Research Institute for Sustainable Humanosphere, Kyoto University, Japan]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Institute for Sustainable Humanosphere, Kyoto University, Japan","institution_ids":["https://openalex.org/I22299242"]},{"raw_affiliation_string":"[Research Institute for Sustainable Humanosphere, Kyoto University, Japan]","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100721048","display_name":"Ying Li","orcid":"https://orcid.org/0000-0002-1873-0357"},"institutions":[{"id":"https://openalex.org/I99908691","display_name":"Yuan Ze University","ror":"https://ror.org/01fv1ds98","country_code":"TW","type":"education","lineage":["https://openalex.org/I99908691"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ying Li","raw_affiliation_strings":["Department of Communications Engineering, Yuan Ze University, Taiwan","Department of Communications Engineering, Yuan-Ze University, , Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Communications Engineering, Yuan Ze University, Taiwan","institution_ids":["https://openalex.org/I99908691"]},{"raw_affiliation_string":"Department of Communications Engineering, Yuan-Ze University, , Taiwan","institution_ids":["https://openalex.org/I99908691"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.05924114,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"105","issue":null,"first_page":"3929","last_page":"3932"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.6653022170066833},{"id":"https://openalex.org/keywords/striation","display_name":"Striation","score":0.6515157222747803},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6272374987602234},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5702111721038818},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.5475930571556091},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.512241780757904},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.43028199672698975},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.38742300868034363},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3758326470851898},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.34062057733535767},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.33118754625320435},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.25382235646247864},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2324867844581604},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.17688226699829102},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1142238974571228},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.10301774740219116}],"concepts":[{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.6653022170066833},{"id":"https://openalex.org/C2779015724","wikidata":"https://www.wikidata.org/wiki/Q7623560","display_name":"Striation","level":2,"score":0.6515157222747803},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6272374987602234},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5702111721038818},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.5475930571556091},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.512241780757904},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.43028199672698975},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.38742300868034363},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3758326470851898},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.34062057733535767},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.33118754625320435},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.25382235646247864},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2324867844581604},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.17688226699829102},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1142238974571228},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.10301774740219116},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2015.7326684","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2015.7326684","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.4699999988079071,"display_name":"Life below water"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1568249797","https://openalex.org/W1836646589","https://openalex.org/W1971436168","https://openalex.org/W1980292150","https://openalex.org/W1984733285","https://openalex.org/W1985938098","https://openalex.org/W2006386599","https://openalex.org/W2013542661","https://openalex.org/W2017789654","https://openalex.org/W2058416432","https://openalex.org/W2065656655","https://openalex.org/W2066307971","https://openalex.org/W2119840276","https://openalex.org/W2128757982","https://openalex.org/W2157687223","https://openalex.org/W2160728179","https://openalex.org/W2168249635","https://openalex.org/W2170459978"],"related_works":["https://openalex.org/W1882833270","https://openalex.org/W2996425211","https://openalex.org/W2335046945","https://openalex.org/W2054863248","https://openalex.org/W2109116863","https://openalex.org/W2315451383","https://openalex.org/W2389194789","https://openalex.org/W1510360389","https://openalex.org/W4313855562","https://openalex.org/W2091422131"],"abstract_inverted_index":{"Multi-frequency":[0],"range":[1,82],"imaging":[2],"(RIM)":[3],"implemented":[4],"in":[5,27],"the":[6,18,23,28,76,81,100,111],"Middle":[7],"and":[8,38,54,68,98],"Upper":[9],"atmosphere":[10],"Radar":[11],"(MUR;":[12],"34.85\u00b0N,":[13],"136.10\u00b0E)":[14],"was":[15],"utilized":[16],"for":[17],"first":[19],"time":[20],"to":[21,91,109],"observe":[22],"field-aligned":[24],"irregularities":[25],"(FAI)":[26],"mid-latitude":[29],"ionosphere.":[30],"Five":[31],"frequencies":[32],"equally":[33],"spaced":[34],"between":[35],"46":[36],"MHz":[37,40],"47":[39],"were":[41,58],"employed.":[42],"Two":[43],"types":[44],"of":[45,73,84,107],"RIM":[46,65,108],"data":[47],"collected":[48],"with":[49],"16-element":[50],"binary":[51],"complementary":[52],"codes":[53,57],"without":[55],"phase":[56],"examined,":[59],"respectively.":[60],"It":[61],"is":[62,114],"shown":[63],"that":[64],"works":[66],"well":[67],"can":[69],"resolve":[70],"striation":[71],"structures":[72],"FAI":[74],"within":[75],"pulse":[77],"length,":[78],"thereby":[79],"improving":[80],"resolution":[83],"measurement":[85],"greatly.":[86],"However,":[87],"duplicated":[88],"echoes":[89,113],"due":[90],"code-sidelobes":[92],"appeared":[93],"frequently":[94],"at":[95],"altitudes":[96],"above":[97],"below":[99],"source":[101],"regions.":[102],"A":[103],"procedure":[104],"taking":[105],"advantage":[106],"mitigate":[110],"code-sidelobe":[112],"progressing.":[115]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}