{"id":"https://openalex.org/W2768563621","doi":"https://doi.org/10.1109/jstars.2017.2765353","title":"A 2-D Nonlinear Chirp Scaling Algorithm for High Squint GEO SAR Imaging Based on Optimal Azimuth Polynomial Compensation","display_name":"A 2-D Nonlinear Chirp Scaling Algorithm for High Squint GEO SAR Imaging Based on Optimal Azimuth Polynomial Compensation","publication_year":2017,"publication_date":"2017-11-14","ids":{"openalex":"https://openalex.org/W2768563621","doi":"https://doi.org/10.1109/jstars.2017.2765353","mag":"2768563621"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2017.2765353","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2017.2765353","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5079848155","display_name":"Tianyi Zhang","orcid":"https://orcid.org/0000-0001-5667-140X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianyi Zhang","raw_affiliation_strings":["Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-5667-140X","affiliations":[{"raw_affiliation_string":"Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101469247","display_name":"Zegang Ding","orcid":"https://orcid.org/0000-0002-3283-8911"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zegang Ding","raw_affiliation_strings":["Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3283-8911","affiliations":[{"raw_affiliation_string":"Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032778722","display_name":"Weiming Tian","orcid":"https://orcid.org/0000-0002-2183-0519"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weiming Tian","raw_affiliation_strings":["Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100684228","display_name":"Tao Zeng","orcid":"https://orcid.org/0000-0002-2513-6014"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Zeng","raw_affiliation_strings":["Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-2513-6014","affiliations":[{"raw_affiliation_string":"Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031746731","display_name":"Wei Yin","orcid":"https://orcid.org/0000-0002-1538-2879"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Yin","raw_affiliation_strings":["Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-1538-2879","affiliations":[{"raw_affiliation_string":"Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I125839683"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":54.2269,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.99614493,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"10","issue":"12","first_page":"5724","last_page":"5735"},"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":0.9937999844551086,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9919000267982483,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/azimuth","display_name":"Azimuth","score":0.9282922744750977},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.715566873550415},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5745185613632202},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5464493036270142},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.5377588272094727},{"id":"https://openalex.org/keywords/compensation","display_name":"Compensation (psychology)","score":0.44944101572036743},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4338718354701996},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.4170910716056824},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.41637736558914185},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3238331079483032},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.321747750043869},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.27156418561935425},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16340160369873047},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15224885940551758},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11827355623245239}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.9282922744750977},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.715566873550415},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5745185613632202},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5464493036270142},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.5377588272094727},{"id":"https://openalex.org/C2780023022","wikidata":"https://www.wikidata.org/wiki/Q1338171","display_name":"Compensation (psychology)","level":2,"score":0.44944101572036743},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4338718354701996},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4170910716056824},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.41637736558914185},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3238331079483032},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.321747750043869},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27156418561935425},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16340160369873047},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15224885940551758},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11827355623245239},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C11171543","wikidata":"https://www.wikidata.org/wiki/Q41630","display_name":"Psychoanalysis","level":1,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2017.2765353","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2017.2765353","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3542155770","display_name":"\u57fa\u4e8e\u5bfc\u822a\u536b\u661f\u7684SS-D-InBSAR\u9ad8\u7cbe\u5ea6\u5730\u8868\u5f62\u53d8\u76d1\u6d4b\u6280\u672f\u7814\u7a76","funder_award_id":"61370017","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4275062833","display_name":null,"funder_award_id":"61625103","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1512065934","https://openalex.org/W1971580542","https://openalex.org/W1985572424","https://openalex.org/W1997302235","https://openalex.org/W2031716391","https://openalex.org/W2042706080","https://openalex.org/W2100123951","https://openalex.org/W2100768298","https://openalex.org/W2116840102","https://openalex.org/W2127899614","https://openalex.org/W2129306709","https://openalex.org/W2143652567","https://openalex.org/W2144784770","https://openalex.org/W2161745552","https://openalex.org/W2165085185","https://openalex.org/W2288848517","https://openalex.org/W2290943298","https://openalex.org/W2430671731"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2377235482","https://openalex.org/W2483195039","https://openalex.org/W2611761074","https://openalex.org/W2351454232","https://openalex.org/W2382227980","https://openalex.org/W2048211457","https://openalex.org/W2068843146","https://openalex.org/W2010341259","https://openalex.org/W2462749609"],"abstract_inverted_index":{"GEO":[0,56,64,120,183],"SAR":[1,57,65,121,184],"can":[2],"achieve":[3,60],"better":[4],"revisit":[5],"time":[6],"and":[7,24,40,51,82,89,138,150,165,179],"observation":[8],"performances":[9],"when":[10],"using":[11],"high":[12,16,61,118,181,200],"squint":[13,17,62,70,119,182,201],"mode.":[14],"However,":[15],"mode":[18,63,71],"also":[19],"causes":[20],"huge":[21],"range":[22,41,144,163],"walk":[23],"severe":[25,32],"range-azimuth":[26],"coupling":[27],"problems":[28],"as":[29,31],"well":[30],"2-D":[33,101,157,173],"spatial":[34,174],"variance":[35,175],"of":[36,55,69,134,161,176,195],"the":[37,47,53,67,75,83,86,90,124,127,143,147,152,156,172,193,196],"focusing":[38,177],"parameters":[39,93,178],"cell":[42],"migration":[43],"(RCM),":[44],"which":[45,132,159],"restrict":[46],"available":[48],"scene":[49],"size":[50],"increase":[52],"difficulty":[54],"imaging.":[58,122,185],"To":[59],"imaging,":[66],"effects":[68],"on":[72,109],"imaging":[73,153],"processing-especially":[74],"azimuth-variant":[76,87,91,148],"RCM-are":[77],"first":[78],"analyzed":[79],"in":[80,97],"detail,":[81],"relationship":[84],"between":[85],"RCM":[88],"focus":[92],"is":[94,114],"discussed.":[95],"Then,":[96],"this":[98],"paper,":[99],"a":[100,135,139,162,166],"nonlinear":[102],"chirp":[103],"scaling":[104],"algorithm":[105,198],"(2-D":[106],"NCSA)":[107],"based":[108],"optimal":[110,128],"azimuth":[111,129,169],"polynomial":[112,130],"compensation":[113,131,137,141],"proposed":[115,125,197],"to":[116],"realize":[117],"In":[123],"algorithm,":[126],"consists":[133,160],"time-domain":[136],"frequency":[140],"removes":[142],"walk,":[145],"weakens":[146],"RCM,":[149],"simplifies":[151],"processing,":[154],"while":[155],"NCSA":[158,164,170],"higher":[167],"order":[168],"solves":[171],"achieves":[180],"Computer":[186],"simulations":[187],"for":[188],"different":[189],"orbital":[190],"positions":[191],"validate":[192],"effectiveness":[194],"under":[199],"conditions.":[202]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}