{"id":"https://openalex.org/W2146132501","doi":"https://doi.org/10.1109/igarss.2003.1295276","title":"Sensitivity of DEMs generated from interferometric cartwheel configurations","display_name":"Sensitivity of DEMs generated from interferometric cartwheel configurations","publication_year":2004,"publication_date":"2004-06-21","ids":{"openalex":"https://openalex.org/W2146132501","doi":"https://doi.org/10.1109/igarss.2003.1295276","mag":"2146132501"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2003.1295276","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2003.1295276","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)","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/A5053642811","display_name":"Stefan Knedlik","orcid":null},"institutions":[{"id":"https://openalex.org/I206895457","display_name":"University of Siegen","ror":"https://ror.org/02azyry73","country_code":"DE","type":"education","lineage":["https://openalex.org/I206895457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"S. Knedlik","raw_affiliation_strings":["Center for Sensorsystems (ZESS), University of Siegen, Siegen, Germany","Center for Sensorsyst., Siegen Univ., Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Sensorsystems (ZESS), University of Siegen, Siegen, Germany","institution_ids":["https://openalex.org/I206895457"]},{"raw_affiliation_string":"Center for Sensorsyst., Siegen Univ., Germany","institution_ids":["https://openalex.org/I206895457"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042744753","display_name":"Otmar Loffeld","orcid":"https://orcid.org/0000-0002-5413-6582"},"institutions":[{"id":"https://openalex.org/I206895457","display_name":"University of Siegen","ror":"https://ror.org/02azyry73","country_code":"DE","type":"education","lineage":["https://openalex.org/I206895457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"O. Loffeld","raw_affiliation_strings":["Center for Sensorsystems (ZESS), University of Siegen, Siegen, Germany","Center for Sensorsyst., Siegen Univ., Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Sensorsystems (ZESS), University of Siegen, Siegen, Germany","institution_ids":["https://openalex.org/I206895457"]},{"raw_affiliation_string":"Center for Sensorsyst., Siegen Univ., Germany","institution_ids":["https://openalex.org/I206895457"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025527003","display_name":"Holger Nies","orcid":"https://orcid.org/0000-0002-5520-5228"},"institutions":[{"id":"https://openalex.org/I206895457","display_name":"University of Siegen","ror":"https://ror.org/02azyry73","country_code":"DE","type":"education","lineage":["https://openalex.org/I206895457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"H. Nies","raw_affiliation_strings":["Center for Sensorsystems (ZESS), University of Siegen, Siegen, Germany","Center for Sensorsyst., Siegen Univ., Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Sensorsystems (ZESS), University of Siegen, Siegen, Germany","institution_ids":["https://openalex.org/I206895457"]},{"raw_affiliation_string":"Center for Sensorsyst., Siegen Univ., Germany","institution_ids":["https://openalex.org/I206895457"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I206895457"],"apc_list":null,"apc_paid":null,"fwci":29.3247,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.99139692,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"6","issue":null,"first_page":"3805","last_page":"3807"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":0.9966999888420105,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9948999881744385,"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/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.8251096606254578},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.7470514178276062},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.7361828088760376},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7251754403114319},{"id":"https://openalex.org/keywords/shuttle-radar-topography-mission","display_name":"Shuttle Radar Topography Mission","score":0.713293731212616},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.691437304019928},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.6768101453781128},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6510981917381287},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.5342751145362854},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.48399829864501953},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.46874693036079407},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.23210746049880981},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.20180803537368774},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14128127694129944},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07245329022407532},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.059636443853378296}],"concepts":[{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.8251096606254578},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.7470514178276062},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.7361828088760376},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7251754403114319},{"id":"https://openalex.org/C184149073","wikidata":"https://www.wikidata.org/wiki/Q965136","display_name":"Shuttle Radar Topography Mission","level":3,"score":0.713293731212616},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.691437304019928},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6768101453781128},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6510981917381287},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5342751145362854},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.48399829864501953},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.46874693036079407},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.23210746049880981},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20180803537368774},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14128127694129944},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07245329022407532},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.059636443853378296},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2003.1295276","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2003.1295276","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1579962634","https://openalex.org/W1593559796","https://openalex.org/W1983689175","https://openalex.org/W2108458029","https://openalex.org/W2108480081","https://openalex.org/W2138039942"],"related_works":["https://openalex.org/W2055954178","https://openalex.org/W2011460488","https://openalex.org/W3161754348","https://openalex.org/W2469485159","https://openalex.org/W3133813888","https://openalex.org/W3093283807","https://openalex.org/W4294970007","https://openalex.org/W2246795038","https://openalex.org/W2791175094","https://openalex.org/W2027476449"],"abstract_inverted_index":{"Former":[0],"analysis":[1],"revealed":[2],"that":[3,94],"the":[4,23,64],"vertical":[5],"height":[6],"accuracy":[7],"of":[8,26,40,66],"digital":[9],"elevation":[10],"models":[11],"(DEMs)":[12],"generated":[13,68],"by":[14],"synthetic":[15],"aperture":[16],"radar":[17,52],"interferometry":[18],"(InSAR)":[19],"mainly":[20],"depends":[21],"on":[22],"precise":[24],"knowledge":[25],"baseline":[27,29],"length,":[28],"tilt":[30],"angle":[31],"and":[32,54,80,88],"interferometric":[33,74],"phase":[34],"offset.":[35],"Recently":[36],"slightly":[37],"different":[38],"formations":[39],"passive":[41],"microsatellites":[42],"which":[43],"simultaneously":[44],"receive":[45],"signals":[46],"transmitted":[47],"from":[48,69],"an":[49,96],"active":[50],"spaceborne":[51],"system":[53],"have":[55],"near":[56],"circular":[57],"orbits":[58],"were":[59],"proposed.":[60],"This":[61],"paper":[62],"presents":[63],"sensitivity":[65],"DEMs":[67],"such":[70],"constellations":[71],"to":[72],"important":[73],"parameters.":[75],"PALSAR":[76],"(ALOS),":[77],"ASAR":[78],"(Envisat)":[79],"TerraSAR-X":[81],"are":[82],"considered":[83],"as":[84],"illuminating":[85],"SAR":[86,92],"systems":[87],"a":[89],"three":[90],"dimensional":[91],"geometry":[93,99],"includes":[95],"ellipsoidal":[97],"Earth":[98],"(WGS84)":[100],"is":[101],"applied.":[102]},"counts_by_year":[],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
