{"id":"https://openalex.org/W2148964786","doi":"https://doi.org/10.1109/igarss.2009.5417708","title":"A new approach to improve the accuracy of baseline estimation for spaceborne radar interferometry","display_name":"A new approach to improve the accuracy of baseline estimation for spaceborne radar interferometry","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2148964786","doi":"https://doi.org/10.1109/igarss.2009.5417708","mag":"2148964786"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2009.5417708","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417708","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://unsworks.unsw.edu.au/bitstreams/9fdf2ebf-249f-455e-b421-269025fbd5f3/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100435159","display_name":"Kui Zhang","orcid":"https://orcid.org/0000-0002-5634-9952"},"institutions":[{"id":"https://openalex.org/I2800497579","display_name":"CRC for Spatial information","ror":"https://ror.org/022482e21","country_code":"AU","type":"facility","lineage":["https://openalex.org/I2800497579"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Kui Zhang","raw_affiliation_strings":["Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I2800497579","https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061486338","display_name":"Alex Hay\u2010Man Ng","orcid":"https://orcid.org/0000-0002-8277-5509"},"institutions":[{"id":"https://openalex.org/I2800497579","display_name":"CRC for Spatial information","ror":"https://ror.org/022482e21","country_code":"AU","type":"facility","lineage":["https://openalex.org/I2800497579"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Alex Hay-man Ng","raw_affiliation_strings":["Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I2800497579","https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100383708","display_name":"Xiaojing Li","orcid":"https://orcid.org/0000-0002-4757-5333"},"institutions":[{"id":"https://openalex.org/I2800497579","display_name":"CRC for Spatial information","ror":"https://ror.org/022482e21","country_code":"AU","type":"facility","lineage":["https://openalex.org/I2800497579"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xiaojing Li","raw_affiliation_strings":["Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I2800497579","https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060788233","display_name":"Hsing\u2010Chung Chang","orcid":"https://orcid.org/0000-0003-3523-9938"},"institutions":[{"id":"https://openalex.org/I2800497579","display_name":"CRC for Spatial information","ror":"https://ror.org/022482e21","country_code":"AU","type":"facility","lineage":["https://openalex.org/I2800497579"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Hsing-Chung Chang","raw_affiliation_strings":["Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I2800497579","https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100731234","display_name":"Linlin Ge","orcid":"https://orcid.org/0000-0001-9275-7980"},"institutions":[{"id":"https://openalex.org/I2800497579","display_name":"CRC for Spatial information","ror":"https://ror.org/022482e21","country_code":"AU","type":"facility","lineage":["https://openalex.org/I2800497579"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Linlin Ge","raw_affiliation_strings":["Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I2800497579","https://openalex.org/I31746571"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072718462","display_name":"Chris Rizos","orcid":"https://orcid.org/0000-0002-7276-1488"},"institutions":[{"id":"https://openalex.org/I2800497579","display_name":"CRC for Spatial information","ror":"https://ror.org/022482e21","country_code":"AU","type":"facility","lineage":["https://openalex.org/I2800497579"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Chris Rizos","raw_affiliation_strings":["Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Research Centre of Spatial Information & School of Surveying and Spatial Information Systems, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I2800497579","https://openalex.org/I31746571"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"6","issue":null,"first_page":"V","last_page":"162"},"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9937999844551086,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9872000217437744,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/baseline","display_name":"Baseline (sea)","score":0.939886212348938},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.8452686071395874},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6757125854492188},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6363824605941772},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.5812063217163086},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5564181804656982},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.48928114771842957},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4490646421909332},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2722204327583313},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.18731337785720825},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14364823698997498},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09566879272460938},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07171982526779175}],"concepts":[{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.939886212348938},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.8452686071395874},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6757125854492188},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6363824605941772},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.5812063217163086},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5564181804656982},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.48928114771842957},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4490646421909332},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2722204327583313},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.18731337785720825},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14364823698997498},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09566879272460938},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07171982526779175},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/igarss.2009.5417708","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417708","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:unsworks.library.unsw.edu.au:1959.4/unsworks_46697","is_oa":true,"landing_page_url":"http://hdl.handle.net/1959.4/unsworks_46697","pdf_url":"https://unsworks.unsw.edu.au/bitstreams/9fdf2ebf-249f-455e-b421-269025fbd5f3/download","source":{"id":"https://openalex.org/S4306401737","display_name":"UNSWorks (University of New South Wales, Sydney, Australia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40053085","host_organization_name":"Australian Defence Force Academy","host_organization_lineage":["https://openalex.org/I40053085"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS, Cape Town, 2009-07-13 - 2009-07-17","raw_type":"http://purl.org/coar/resource_type/c_5794"},{"id":"pmh:oai:unsworks.unsw.edu.au:1959.4/unsworks_46697","is_oa":true,"landing_page_url":"http://handle.unsw.edu.au/1959.4/unsworks_46697","pdf_url":null,"source":{"id":"https://openalex.org/S4377196481","display_name":"UNSWorks (UNSW Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I31746571","host_organization_name":"UNSW Sydney","host_organization_lineage":["https://openalex.org/I31746571"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":{"id":"pmh:oai:unsworks.library.unsw.edu.au:1959.4/unsworks_46697","is_oa":true,"landing_page_url":"http://hdl.handle.net/1959.4/unsworks_46697","pdf_url":"https://unsworks.unsw.edu.au/bitstreams/9fdf2ebf-249f-455e-b421-269025fbd5f3/download","source":{"id":"https://openalex.org/S4306401737","display_name":"UNSWorks (University of New South Wales, Sydney, Australia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40053085","host_organization_name":"Australian Defence Force Academy","host_organization_lineage":["https://openalex.org/I40053085"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS, Cape Town, 2009-07-13 - 2009-07-17","raw_type":"http://purl.org/coar/resource_type/c_5794"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.5699999928474426}],"awards":[],"funders":[{"id":"https://openalex.org/F4320314997","display_name":"Strong","ror":"https://ror.org/041vyzr56"},{"id":"https://openalex.org/F4320320965","display_name":"University of New South Wales","ror":"https://ror.org/03r8z3t63"},{"id":"https://openalex.org/F4320321679","display_name":"Ministry of Economy, Trade and Industry","ror":"https://ror.org/055tm7f07"},{"id":"https://openalex.org/F4320334900","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2148964786.pdf","grobid_xml":"https://content.openalex.org/works/W2148964786.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W1509035750","https://openalex.org/W1821678923","https://openalex.org/W2070128556","https://openalex.org/W2076546844","https://openalex.org/W2118976322","https://openalex.org/W2544461495"],"related_works":["https://openalex.org/W2537969703","https://openalex.org/W2532371958","https://openalex.org/W3195487337","https://openalex.org/W2066613233","https://openalex.org/W2373869189","https://openalex.org/W2763339780","https://openalex.org/W2892740936","https://openalex.org/W2544461495","https://openalex.org/W2374745430","https://openalex.org/W2367557746"],"abstract_inverted_index":{"The":[0,15,42,70],"`baseline'":[1],"is":[2,20,40,52],"one":[3],"of":[4,17,26,45],"the":[5,24,37,49,54,60,83],"most":[6],"important":[7],"parameters":[8],"in":[9],"Interferometric":[10],"Synthetic":[11],"Aperture":[12],"Radar":[13],"(InSAR).":[14],"quality":[16],"InSAR":[18],"products":[19],"significantly":[21],"affected":[22],"by":[23,48],"accuracy":[25],"baseline":[27,38,47,85],"estimation.":[28],"In":[29],"this":[30],"paper,":[31],"a":[32,75],"new":[33],"approach":[34],"to":[35],"improving":[36],"estimation":[39,86],"proposed.":[41],"main":[43],"advantage":[44],"estimating":[46],"proposed":[50,84],"method":[51],"that":[53,74],"calculation":[55],"can":[56,79],"be":[57,80],"performed":[58],"without":[59],"need":[61],"for":[62],"phase":[63],"unwrapping":[64],"and":[65],"ground":[66],"control":[67],"points":[68],"(GCPs).":[69],"final":[71],"result":[72],"shows":[73],"better":[76],"differential":[77],"interferogram":[78],"generated":[81],"using":[82],"method.":[87]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
