{"id":"https://openalex.org/W2091155613","doi":"https://doi.org/10.1109/tgrs.2012.2189220","title":"ISAR Imaging of Targets With Complex Motion Based on Discrete Chirp Fourier Transform for Cubic Chirps","display_name":"ISAR Imaging of Targets With Complex Motion Based on Discrete Chirp Fourier Transform for Cubic Chirps","publication_year":2012,"publication_date":"2012-09-21","ids":{"openalex":"https://openalex.org/W2091155613","doi":"https://doi.org/10.1109/tgrs.2012.2189220","mag":"2091155613"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2012.2189220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2012.2189220","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","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/A5044817346","display_name":"Liang Wu","orcid":"https://orcid.org/0000-0001-9054-0155"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Liang Wu","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101232163","display_name":"Xizhang Wei","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xizhang Wei","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101562721","display_name":"Degui Yang","orcid":"https://orcid.org/0000-0003-1604-9792"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Degui Yang","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100757637","display_name":"Hongqiang Wang","orcid":"https://orcid.org/0000-0002-2522-9552"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongqiang Wang","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100331131","display_name":"Xiang Li","orcid":"https://orcid.org/0000-0003-4383-6505"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Li","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]},{"raw_affiliation_string":"Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., ChangSha, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5044817346"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":25.4438,"has_fulltext":false,"cited_by_count":142,"citation_normalized_percentile":{"value":0.99636455,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"50","issue":"10","first_page":"4201","last_page":"4212"},"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9958000183105469,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/chirp","display_name":"Chirp","score":0.8603568077087402},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.8428363800048828},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6971105337142944},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6844568252563477},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6565625667572021},{"id":"https://openalex.org/keywords/motion-compensation","display_name":"Motion compensation","score":0.5659597516059875},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5148850679397583},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.5022878646850586},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.40624120831489563},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39235252141952515},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3619193434715271},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3315894603729248},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.271212100982666},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.26467251777648926},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22653824090957642}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.8603568077087402},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.8428363800048828},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6971105337142944},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6844568252563477},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6565625667572021},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.5659597516059875},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5148850679397583},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.5022878646850586},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40624120831489563},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39235252141952515},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3619193434715271},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3315894603729248},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.271212100982666},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.26467251777648926},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22653824090957642},{"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2012.2189220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2012.2189220","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","score":0.8600000143051147,"display_name":"Life below water"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320336976","display_name":"Research Institute for Information Technology, Kyushu University","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W2011422963","https://openalex.org/W2013097188","https://openalex.org/W2036592393","https://openalex.org/W2063258319","https://openalex.org/W2094668832","https://openalex.org/W2095290417","https://openalex.org/W2096766849","https://openalex.org/W2099628041","https://openalex.org/W2114381571","https://openalex.org/W2115541274","https://openalex.org/W2137919732","https://openalex.org/W2139106846","https://openalex.org/W2143070649","https://openalex.org/W2145017037","https://openalex.org/W2146554500","https://openalex.org/W2153594606","https://openalex.org/W2154992791","https://openalex.org/W2155025946","https://openalex.org/W2166785746","https://openalex.org/W2169768670","https://openalex.org/W2186343274","https://openalex.org/W2929604734","https://openalex.org/W4285719527","https://openalex.org/W6760736321"],"related_works":["https://openalex.org/W2119869625","https://openalex.org/W2354389511","https://openalex.org/W2140944036","https://openalex.org/W2350566760","https://openalex.org/W2123767128","https://openalex.org/W2003459708","https://openalex.org/W2901787195","https://openalex.org/W2007886977","https://openalex.org/W1777074644","https://openalex.org/W2128890580"],"abstract_inverted_index":{"In":[0,52],"inverse":[1],"synthetic":[2],"aperture":[3],"radar":[4],"(ISAR)":[5],"imaging":[6,118],"of":[7,59,82,130],"targets":[8],"with":[9,21,31,102],"complex":[10],"motion":[11,36],"such":[12],"as":[13],"the":[14,24,40,48,66,93,103,110,117,128,131],"high":[15],"maneuvering":[16],"airplanes":[17],"and":[18,38,89,123],"fluctuating":[19],"ships":[20],"oceanic":[22],"waves,":[23],"azimuth":[25,41],"echo":[26],"signals":[27],"can":[28],"be":[29,45],"modeled":[30],"cubic":[32,60,85],"chirps":[33,61,86],"after":[34],"translational":[35],"compensation,":[37],"then,":[39,124],"focusing":[42],"quality":[43],"will":[44],"deteriorated":[46],"by":[47],"time-varying":[49],"chirp":[50,68],"rate.":[51],"this":[53],"paper,":[54],"a":[55],"parameter":[56],"estimation":[57],"method":[58],"is":[62,73,97],"proposed":[63,132],"based":[64,120],"on":[65,121],"discrete":[67],"Fourier":[69],"transform":[70],"(DCFT),":[71],"which":[72],"generated":[74],"from":[75],"DCFT":[76,83,95],"for":[77,84],"quadratic":[78],"chirps.":[79],"Several":[80],"properties":[81],"are":[87],"derived,":[88],"we":[90,114],"show":[91],"that":[92],"modified":[94],"(MDCFT)":[96],"more":[98],"appropriate":[99],"to":[100],"deal":[101],"practical":[104],"applications":[105],"(e.g.,":[106],"ISAR":[107],"imaging)":[108],"than":[109],"original":[111],"DCFT.":[112],"Therefore,":[113],"put":[115],"forward":[116],"algorithm":[119],"MDCFT,":[122],"simulation":[125],"results":[126],"confirm":[127],"validity":[129],"algorithm.":[133]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":18},{"year":2018,"cited_by_count":11},{"year":2017,"cited_by_count":16},{"year":2016,"cited_by_count":17},{"year":2015,"cited_by_count":14},{"year":2014,"cited_by_count":15},{"year":2013,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
