{"id":"https://openalex.org/W1579927325","doi":"https://doi.org/10.1109/lgrs.2015.2416437","title":"A Novel Helicopter-Borne Rotating SAR Imaging Model and Algorithm Based on Inverse Chirp-Z Transform Using Frequency-Modulated Continuous Wave","display_name":"A Novel Helicopter-Borne Rotating SAR Imaging Model and Algorithm Based on Inverse Chirp-Z Transform Using Frequency-Modulated Continuous Wave","publication_year":2015,"publication_date":"2015-05-06","ids":{"openalex":"https://openalex.org/W1579927325","doi":"https://doi.org/10.1109/lgrs.2015.2416437","mag":"1579927325"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2015.2416437","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2015.2416437","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/A5100407433","display_name":"Dong Li","orcid":"https://orcid.org/0000-0002-3694-1852"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Li","raw_affiliation_strings":["Key Laboratory of Aerocraft Tracking Telemetering and Command and Communication, Ministry of Education, Chongqing University, Chongqing, China","Key Lab. of Aerocraft Tracking Telemetering & Command & Commun., Chongqing Univ., Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Aerocraft Tracking Telemetering and Command and Communication, Ministry of Education, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"Key Lab. of Aerocraft Tracking Telemetering & Command & Commun., Chongqing Univ., Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087997088","display_name":"Hongqing Liu","orcid":"https://orcid.org/0000-0003-4839-1525"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongqing Liu","raw_affiliation_strings":["Chongqing Key Laboratory of Mobile Communication, Chongqing University of Posts and Telecommunications, Chongqing, China","Key Lab. of Mobile Commun., Chongqing Univ. of Posts & Telecommun., Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing Key Laboratory of Mobile Communication, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]},{"raw_affiliation_string":"Key Lab. of Mobile Commun., Chongqing Univ. of Posts & Telecommun., Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048323926","display_name":"Liao Yong","orcid":"https://orcid.org/0000-0003-0171-4323"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Liao","raw_affiliation_strings":["Key Laboratory of Aerocraft Tracking Telemetering and Command and Communication, Ministry of Education, Chongqing University, Chongqing, China","Key Lab. of Aerocraft Tracking Telemetering & Command & Commun., Chongqing Univ., Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Aerocraft Tracking Telemetering and Command and Communication, Ministry of Education, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"Key Lab. of Aerocraft Tracking Telemetering & Command & Commun., Chongqing Univ., Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068073037","display_name":"Xiaogang Gui","orcid":null},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaogang Gui","raw_affiliation_strings":["Key Laboratory of Aerocraft Tracking Telemetering and Command and Communication, Ministry of Education, Chongqing University, Chongqing, China","Key Lab. of Aerocraft Tracking Telemetering & Command & Commun., Chongqing Univ., Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Aerocraft Tracking Telemetering and Command and Communication, Ministry of Education, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"Key Lab. of Aerocraft Tracking Telemetering & Command & Commun., Chongqing Univ., Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":23.014,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.98922673,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"12","issue":"8","first_page":"1625","last_page":"1629"},"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":0.9998000264167786,"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":0.9991000294685364,"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/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7569621801376343},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.7463441491127014},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.6986716985702515},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.6986322999000549},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5873212218284607},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5828543901443481},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.555449366569519},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5152443051338196},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.5060996413230896},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.49746277928352356},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.44687631726264954},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.32267457246780396},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.21990662813186646},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1998453140258789},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18272170424461365}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7569621801376343},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.7463441491127014},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.6986716985702515},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.6986322999000549},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5873212218284607},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5828543901443481},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.555449366569519},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5152443051338196},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.5060996413230896},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.49746277928352356},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.44687631726264954},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.32267457246780396},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.21990662813186646},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1998453140258789},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18272170424461365},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","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/lgrs.2015.2416437","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2015.2416437","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":[{"id":"https://openalex.org/G4971918525","display_name":"\u673a\u8f7d\u6beb\u7c73\u6ce2\u96f7\u8fbe\u65cb\u8f6c\u5408\u6210\u5b54\u5f84\u6210\u50cf\u5904\u7406\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61101242","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8239651110","display_name":null,"funder_award_id":"0903005203230","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W357677209","https://openalex.org/W2031896450","https://openalex.org/W2047941860","https://openalex.org/W2048771369","https://openalex.org/W2087636981","https://openalex.org/W2106081641","https://openalex.org/W2150886651","https://openalex.org/W2155111199","https://openalex.org/W2169719609","https://openalex.org/W2314584858"],"related_works":["https://openalex.org/W2112228652","https://openalex.org/W1994788526","https://openalex.org/W2108352898","https://openalex.org/W2547621853","https://openalex.org/W1915418828","https://openalex.org/W2108697546","https://openalex.org/W2383271330","https://openalex.org/W4281769129","https://openalex.org/W2758958237","https://openalex.org/W2157054954"],"abstract_inverted_index":{"With":[0],"an":[1,62,139],"appropriate":[2],"geometric":[3,58,137],"configuration,":[4,138],"a":[5,28,56,154],"helicopter-borne":[6,66],"rotating":[7],"synthetic":[8],"aperture":[9],"radar":[10],"(ROSAR)":[11],"can":[12,158],"break":[13],"through":[14],"the":[15,73,83,88,93,104,107,112,116,127,130,148,163,170,173],"limitations":[16],"of":[17,77,92,115,172],"conventional":[18],"strip-map":[19],"monostatic":[20],"SAR":[21,156],"on":[22,99,129],"forward-looking":[23],"imaging.":[24],"Owing":[25],"to":[26,81,126,146],"such":[27,35],"capability,":[29],"ROSAR":[30,136],"has":[31,42],"extensive":[32],"potential":[33],"applications,":[34],"as":[36,122],"self-navigation":[37],"and":[38,61,120,153],"self-landing.":[39],"Moreover,":[40,102],"it":[41],"many":[43],"advantages":[44],"if":[45],"combined":[46],"with":[47,166],"frequency-modulated":[48],"continuous":[49,113],"wave":[50],"(FMCW)":[51],"technology.":[52],"In":[53],"this":[54],"letter,":[55],"novel":[57],"platform":[59],"configuration":[60],"imaging":[63],"algorithm":[64],"for":[65,86],"FMCW-ROSAR":[67],"are":[68],"proposed.":[69],"First,":[70],"by":[71,111,135],"adopting":[72],"higher":[74],"order":[75],"approximation":[76],"slant":[78],"range":[79,150],"model":[80],"improve":[82],"azimuth":[84],"resolution":[85],"FMCW-ROSAR,":[87],"precise":[89],"2-D":[90],"spectrum":[91],"echo":[94],"signal":[95],"is":[96,118,144],"derived":[97],"based":[98],"series":[100],"reversion.":[101],"at":[103],"same":[105],"time,":[106],"Doppler":[108],"offset":[109],"caused":[110,134],"motion":[114],"antenna":[117],"analyzed":[119],"compensated":[121],"well.":[123],"Then,":[124],"according":[125],"analysis":[128],"range-dependent":[131],"velocity":[132],"variation":[133],"efficient":[140],"inverse":[141],"chirp-Z":[142],"transform":[143],"utilized":[145],"remove":[147],"variant":[149],"cell":[151],"migration,":[152],"well-focused":[155],"image":[157],"thus":[159],"be":[160],"obtained.":[161],"Finally,":[162],"experimental":[164],"results":[165],"simulated":[167],"data":[168],"demonstrate":[169],"effectiveness":[171],"proposed":[174],"algorithm.":[175]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}
