{"id":"https://openalex.org/W1987938432","doi":"https://doi.org/10.1109/lgrs.2012.2227296","title":"General Bistatic SAR Data Processing Based on Extended Nonlinear Chirp Scaling","display_name":"General Bistatic SAR Data Processing Based on Extended Nonlinear Chirp Scaling","publication_year":2012,"publication_date":"2012-12-31","ids":{"openalex":"https://openalex.org/W1987938432","doi":"https://doi.org/10.1109/lgrs.2012.2227296","mag":"1987938432"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2012.2227296","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2012.2227296","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5102086032","display_name":"Gao Gao Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gao Gao Liu","raw_affiliation_strings":["National Key Laboratory for Radar Signal Processing, Xidian University, Xian, China","Nat. Key Lab for Radar Signal Process., Xidian Univ., Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory for Radar Signal Processing, Xidian University, Xian, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"Nat. Key Lab for Radar Signal Process., Xidian Univ., Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100351849","display_name":"Lin Zhang","orcid":"https://orcid.org/0000-0002-4360-5523"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Rang Zhang","raw_affiliation_strings":["National Key Laboratory for Radar Signal Processing, Xidian University, Xian, China","Nat. Key Lab for Radar Signal Process., Xidian Univ., Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory for Radar Signal Processing, Xidian University, Xian, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"Nat. Key Lab for Radar Signal Process., Xidian Univ., Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015367941","display_name":"Xin Liu","orcid":"https://orcid.org/0000-0003-4090-1703"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Liu","raw_affiliation_strings":["National Key Laboratory for Radar Signal Processing, Xidian University, Xian, China","Nat. Key Lab for Radar Signal Process., Xidian Univ., Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory for Radar Signal Processing, Xidian University, Xian, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"Nat. Key Lab for Radar Signal Process., Xidian Univ., Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":7.5019,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.97569392,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"10","issue":"5","first_page":"976","last_page":"980"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging 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/T11038","display_name":"Advanced SAR Imaging 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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9984999895095825,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9944000244140625,"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/bistatic-radar","display_name":"Bistatic radar","score":0.8303274512290955},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.8294311761856079},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.6956603527069092},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6581948399543762},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5948620438575745},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5740056037902832},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.5658198595046997},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5524461269378662},{"id":"https://openalex.org/keywords/scaling","display_name":"Scaling","score":0.5085068941116333},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.4905344843864441},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.29776400327682495},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.26258838176727295},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19131231307983398},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17151209712028503},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14315727353096008},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.12330454587936401},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11561787128448486},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.08055958151817322}],"concepts":[{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.8303274512290955},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8294311761856079},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.6956603527069092},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6581948399543762},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5948620438575745},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5740056037902832},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.5658198595046997},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5524461269378662},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.5085068941116333},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.4905344843864441},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.29776400327682495},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.26258838176727295},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19131231307983398},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17151209712028503},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14315727353096008},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12330454587936401},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11561787128448486},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08055958151817322},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2012.2227296","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2012.2227296","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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":10,"referenced_works":["https://openalex.org/W2047941860","https://openalex.org/W2074157792","https://openalex.org/W2100123951","https://openalex.org/W2109896001","https://openalex.org/W2132839514","https://openalex.org/W2134686545","https://openalex.org/W2152897285","https://openalex.org/W2154331202","https://openalex.org/W2155111199","https://openalex.org/W2172080481"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2004765814","https://openalex.org/W2950419692","https://openalex.org/W1636544497","https://openalex.org/W2034611846","https://openalex.org/W2051186205","https://openalex.org/W2545704177","https://openalex.org/W2068843146","https://openalex.org/W2010341259","https://openalex.org/W2462749609"],"abstract_inverted_index":{"General":[0],"bistatic":[1,119],"SAR":[2],"(BiSAR)":[3],"data":[4,36,115],"are":[5],"more":[6,117],"challenging":[7],"to":[8,33,68,75,85,102],"process":[9,34],"than":[10,121],"their":[11],"translational":[12],"invariant":[13,46],"counterparts":[14],"because":[15,52],"the":[16,19,35,49,54,77,81,87,97,104,122],"transmitter":[17],"and":[18],"receiver":[20],"have":[21,30],"unequal":[22],"velocities":[23],"or/and":[24],"nonparallel":[25],"tracks.":[26],"Although":[27],"several":[28],"algorithms":[29],"been":[31],"used":[32,101],"in":[37,44],"general":[38],"cases,":[39],"these":[40],"can":[41,113],"work":[42],"only":[43],"small":[45],"regions":[47],"of":[48,53,80,99],"azimuth-variant":[50,88],"problem":[51],"complicated":[55,118],"configurations.":[56],"In":[57],"this":[58,70],"letter,":[59],"an":[60],"extended":[61],"nonlinear":[62],"chirp":[63],"scaling":[64],"(NLCS)":[65],"is":[66,74],"proposed":[67],"address":[69],"problem.":[71],"The":[72,106],"key":[73],"use":[76],"vector":[78],"analysis":[79],"instantaneous":[82],"slant":[83],"ranges":[84],"extract":[86],"components.":[89],"Furthermore,":[90],"a":[91],"new":[92],"perturbation":[93],"function":[94],"based":[95],"on":[96],"principle":[98],"NLCS":[100],"precompensate":[103],"data.":[105],"simulation":[107],"results":[108],"show":[109],"that":[110],"our":[111],"algorithm":[112],"handle":[114],"with":[116],"cases":[120],"existing":[123],"algorithms.":[124]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
