{"id":"https://openalex.org/W2050881825","doi":"https://doi.org/10.1109/lgrs.2013.2250904","title":"Focusing Bistatic Forward-Looking SAR With Stationary Transmitter Based on Keystone Transform and Nonlinear Chirp Scaling","display_name":"Focusing Bistatic Forward-Looking SAR With Stationary Transmitter Based on Keystone Transform and Nonlinear Chirp Scaling","publication_year":2013,"publication_date":"2013-04-18","ids":{"openalex":"https://openalex.org/W2050881825","doi":"https://doi.org/10.1109/lgrs.2013.2250904","mag":"2050881825"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2013.2250904","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2013.2250904","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/A5030746978","display_name":"Junjie Wu","orcid":"https://orcid.org/0000-0002-4922-2398"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Junjie Wu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100735598","display_name":"Zhongyu Li","orcid":"https://orcid.org/0000-0002-0409-8207"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongyu Li","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027924825","display_name":"Yulin Huang","orcid":"https://orcid.org/0000-0003-3930-9323"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yulin Huang","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100660972","display_name":"Jianyu Yang","orcid":"https://orcid.org/0000-0002-4726-8384"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianyu Yang","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100555952","display_name":"Haiguang Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiguang Yang","raw_affiliation_strings":["University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Electronic Science and Technology of China, School of Electronic Engineering, Sichuan, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100345153","display_name":"Qing Liu","orcid":"https://orcid.org/0000-0001-5286-4423"},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qing Huo Liu","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","Dept. of Electr. & Comput. Eng., Duke Univ., Durham, NC, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA","institution_ids":["https://openalex.org/I170897317"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Duke Univ., Durham, NC, USA#TAB#","institution_ids":["https://openalex.org/I170897317"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":257.6716,"has_fulltext":false,"cited_by_count":113,"citation_normalized_percentile":{"value":0.99960714,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"11","issue":"1","first_page":"148","last_page":"152"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":1.0,"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":1.0,"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":0.9976999759674072,"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":0.996999979019165,"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/bistatic-radar","display_name":"Bistatic radar","score":0.8315104246139526},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.8143255114555359},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7952284216880798},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6941977739334106},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5957656502723694},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.4971010982990265},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.48568233847618103},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.48499438166618347},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.47297918796539307},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4278780519962311},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.38146865367889404},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.34644952416419983},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33341357111930847},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.31482475996017456},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2422156035900116},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20728585124015808},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.18716955184936523},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15384751558303833}],"concepts":[{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.8315104246139526},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8143255114555359},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7952284216880798},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6941977739334106},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5957656502723694},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.4971010982990265},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.48568233847618103},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.48499438166618347},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.47297918796539307},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4278780519962311},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38146865367889404},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.34644952416419983},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33341357111930847},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.31482475996017456},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2422156035900116},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20728585124015808},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.18716955184936523},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15384751558303833},{"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/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2013.2250904","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2013.2250904","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":12,"referenced_works":["https://openalex.org/W1993841292","https://openalex.org/W2034729403","https://openalex.org/W2100123951","https://openalex.org/W2105984224","https://openalex.org/W2117748084","https://openalex.org/W2118574879","https://openalex.org/W2129724435","https://openalex.org/W2147016563","https://openalex.org/W2148427957","https://openalex.org/W2152897285","https://openalex.org/W2170883821","https://openalex.org/W6677749482"],"related_works":["https://openalex.org/W2135924691","https://openalex.org/W2113162338","https://openalex.org/W2766192666","https://openalex.org/W4245917453","https://openalex.org/W2142179688","https://openalex.org/W2385030184","https://openalex.org/W2502249732","https://openalex.org/W1989152044","https://openalex.org/W2382300681","https://openalex.org/W2540450177"],"abstract_inverted_index":{"With":[0],"appropriate":[1],"geometry":[2],"configurations,":[3],"bistatic":[4,25],"synthetic":[5],"aperture":[6],"radar":[7],"(SAR)":[8],"can":[9,97,123],"break":[10],"through":[11],"the":[12,39,48,89,99,118],"limitations":[13],"of":[14,41,92,101,121],"monostatic":[15],"SAR":[16,27],"on":[17,68],"forward-looking":[18,26],"imaging.":[19],"Thanks":[20],"to":[21,55,78,87],"such":[22,33],"a":[23,44],"capability,":[24],"(BFSAR)":[28],"has":[29],"extensive":[30],"potential":[31],"applications,":[32],"as":[34],"self-navigation":[35],"and":[36,71,114],"self-landing.":[37],"In":[38,61],"mode":[40],"BFSAR":[42],"with":[43,80],"stationary":[45],"transmitter":[46],"(ST-BFSAR),":[47],"two-dimensional":[49],"spatial":[50,90],"variation":[51,91,100],"makes":[52],"it":[53],"difficult":[54],"use":[56],"traditional":[57],"data":[58,120],"focusing":[59],"algorithms.":[60],"this":[62,81],"letter,":[63],"an":[64],"imaging":[65],"algorithm":[66],"based":[67],"keystone":[69,112],"transform":[70,84,113],"nonlinear":[72],"chirp":[73],"scaling":[74],"(NLCS)":[75],"is":[76,85],"proposed":[77],"deal":[79],"problem.":[82],"Keystone":[83],"used":[86],"remove":[88],"range":[93],"cell":[94],"migration.":[95],"NLCS":[96,116],"eliminate":[98],"azimuth":[102,115],"reference":[103],"function.":[104],"Numerical":[105],"simulations":[106],"show":[107],"that":[108],"by":[109],"combining":[110],"first-order":[111],"operation,":[117],"raw":[119],"ST-BFSAR":[122],"be":[124],"well":[125],"imaged.":[126]},"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":8},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":17},{"year":2018,"cited_by_count":20},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":17},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
