{"id":"https://openalex.org/W2109243115","doi":"https://doi.org/10.1109/tgrs.2009.2014465","title":"An Efficient Algorithm to the Simulation of Delay\u2013Doppler Maps of Reflected Global Navigation Satellite System Signals","display_name":"An Efficient Algorithm to the Simulation of Delay\u2013Doppler Maps of Reflected Global Navigation Satellite System Signals","publication_year":2009,"publication_date":"2009-04-10","ids":{"openalex":"https://openalex.org/W2109243115","doi":"https://doi.org/10.1109/tgrs.2009.2014465","mag":"2109243115"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2009.2014465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2009.2014465","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-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/A5077302112","display_name":"J. F. Marchan-Hernandez","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J.F. Marchan-Hernandez","raw_affiliation_strings":["Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073492252","display_name":"Adriano Camps","orcid":"https://orcid.org/0000-0002-9514-4992"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"A. Camps","raw_affiliation_strings":["Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036058658","display_name":"Nereida Rodriguez-Alvarez","orcid":"https://orcid.org/0000-0002-9382-0686"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"N. Rodriguez-Alvarez","raw_affiliation_strings":["Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018755444","display_name":"E. Valencia","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"E. Valencia","raw_affiliation_strings":["Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071403178","display_name":"Xavier Bosch-Lluis","orcid":"https://orcid.org/0000-0002-7608-0559"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"X. Bosch-Lluis","raw_affiliation_strings":["Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071026107","display_name":"I. Ramos\u2010Perez","orcid":"https://orcid.org/0000-0002-5490-5505"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"I. Ramos-Perez","raw_affiliation_strings":["Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Dept. of Signal Theor. & Commun., Univ. Politec. de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.3311,"has_fulltext":false,"cited_by_count":98,"citation_normalized_percentile":{"value":0.91251778,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"47","issue":"8","first_page":"2733","last_page":"2740"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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":0.9986000061035156,"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/doppler-effect","display_name":"Doppler effect","score":0.7975152730941772},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7447019815444946},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6846991777420044},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6804472208023071},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.5724930763244629},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5482571125030518},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.374037504196167},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1092221736907959},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10640451312065125}],"concepts":[{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.7975152730941772},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7447019815444946},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6846991777420044},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6804472208023071},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5724930763244629},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5482571125030518},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.374037504196167},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1092221736907959},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10640451312065125},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2009.2014465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2009.2014465","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1588837646","https://openalex.org/W2036441721","https://openalex.org/W2037326543","https://openalex.org/W2057282537","https://openalex.org/W2066691331","https://openalex.org/W2075828063","https://openalex.org/W2103598124","https://openalex.org/W2107580583","https://openalex.org/W2128945318","https://openalex.org/W2141156448","https://openalex.org/W2154303381","https://openalex.org/W2155979668","https://openalex.org/W2169949952","https://openalex.org/W2495632787","https://openalex.org/W2979562478","https://openalex.org/W4214493158"],"related_works":["https://openalex.org/W2046435967","https://openalex.org/W4231775656","https://openalex.org/W2121524756","https://openalex.org/W2383646825","https://openalex.org/W2371018915","https://openalex.org/W2013329914","https://openalex.org/W2392383081","https://openalex.org/W1618102658","https://openalex.org/W4205376403","https://openalex.org/W3048031999"],"abstract_inverted_index":{"A":[0],"new":[1],"and":[2,24,48,70],"efficient":[3],"algorithm":[4],"to":[5,78],"compute":[6],"delay-Doppler":[7],"maps":[8],"is":[9,29,67],"presented.":[10],"It":[11],"improves":[12],"by":[13,57],"more":[14],"than":[15],"an":[16],"order":[17],"of":[18,34,37,44,60,63,74],"magnitude":[19],"the":[20,32,38,45,54,58,64],"required":[21],"computation":[22],"time":[23],"memory":[25],"resources.":[26],"This":[27],"approach":[28],"based":[30],"on":[31],"derivation":[33],"explicit":[35],"expressions":[36],"space":[39],"coordinates":[40],"as":[41],"a":[42,71],"function":[43],"delay":[46],"offset":[47],"Doppler":[49],"shift.":[50],"Using":[51],"this":[52],"technique,":[53],"limitation":[55],"posed":[56],"number":[59],"sampling":[61],"points":[62],"observed":[65],"surface":[66],"drastically":[68],"attenuated,":[69],"wide":[72],"range":[73],"scenarios":[75,81],"from":[76],"low-":[77],"medium-height":[79],"airborne-to-spaceborne":[80],"can":[82],"now":[83],"be":[84],"simulated":[85],"with":[86],"standard":[87],"desktop":[88],"computers.":[89]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":10},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":5}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}