{"id":"https://openalex.org/W2790708956","doi":"https://doi.org/10.1109/lgrs.2018.2791622","title":"Azimuth Multichannel GMTI Based on Ka-Band DBF-SCORE SAR System","display_name":"Azimuth Multichannel GMTI Based on Ka-Band DBF-SCORE SAR System","publication_year":2018,"publication_date":"2018-02-05","ids":{"openalex":"https://openalex.org/W2790708956","doi":"https://doi.org/10.1109/lgrs.2018.2791622","mag":"2790708956"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2018.2791622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2018.2791622","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/A5100460863","display_name":"Hui Wang","orcid":"https://orcid.org/0000-0002-9567-6227"},"institutions":[{"id":"https://openalex.org/I4210088244","display_name":"Shanghai Micro Satellite Engineering Center","ror":"https://ror.org/003cp7918","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210088244"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Wang","raw_affiliation_strings":["Millimeter Wave Imaging Technology Laboratory, Shanghai Institute of Satellite Engineering, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-9567-6227","affiliations":[{"raw_affiliation_string":"Millimeter Wave Imaging Technology Laboratory, Shanghai Institute of Satellite Engineering, Shanghai, China","institution_ids":["https://openalex.org/I4210088244"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100323448","display_name":"Hui Zhang","orcid":"https://orcid.org/0000-0002-4304-0411"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Zhang","raw_affiliation_strings":["School of Instrumentation Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4304-0411","affiliations":[{"raw_affiliation_string":"School of Instrumentation Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034735189","display_name":"Shoulun Dai","orcid":null},"institutions":[{"id":"https://openalex.org/I2802615301","display_name":"China Aerospace Science and Technology Corporation","ror":"https://ror.org/01z8tr155","country_code":"CN","type":"government","lineage":["https://openalex.org/I2802615301"]},{"id":"https://openalex.org/I4210153230","display_name":"Shanghai Academy of Spaceflight Technology","ror":"https://ror.org/050qhwt21","country_code":"CN","type":"government","lineage":["https://openalex.org/I2802615301","https://openalex.org/I4210153230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shoulun Dai","raw_affiliation_strings":["Shanghai Academy of Spaceflight Technology, China Aerospace Science and Technology Corporation, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Academy of Spaceflight Technology, China Aerospace Science and Technology Corporation, Shanghai, China","institution_ids":["https://openalex.org/I2802615301","https://openalex.org/I4210153230"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067841427","display_name":"Zhiqiang Sun","orcid":"https://orcid.org/0000-0002-9855-7290"},"institutions":[{"id":"https://openalex.org/I4210088244","display_name":"Shanghai Micro Satellite Engineering Center","ror":"https://ror.org/003cp7918","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210088244"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiqiang Sun","raw_affiliation_strings":["Millimeter Wave Imaging Technology Laboratory, Shanghai Institute of Satellite Engineering, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Millimeter Wave Imaging Technology Laboratory, Shanghai Institute of Satellite Engineering, Shanghai, China","institution_ids":["https://openalex.org/I4210088244"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":63.2111,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":{"value":0.99748629,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"15","issue":"3","first_page":"419","last_page":"423"},"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":0.9987999796867371,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9929999709129333,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.8861039280891418},{"id":"https://openalex.org/keywords/moving-target-indication","display_name":"Moving target indication","score":0.7862919569015503},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7534696459770203},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7190231084823608},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5934224128723145},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.47859880328178406},{"id":"https://openalex.org/keywords/phase-center","display_name":"Phase center","score":0.44748905301094055},{"id":"https://openalex.org/keywords/weighting","display_name":"Weighting","score":0.43272462487220764},{"id":"https://openalex.org/keywords/radar-tracker","display_name":"Radar tracker","score":0.43074357509613037},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.425322949886322},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.38201311230659485},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3782038390636444},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3547593653202057},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.33598482608795166},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.24830734729766846},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21040421724319458},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.17121931910514832},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.1622789204120636},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.12975609302520752},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12736552953720093}],"concepts":[{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8861039280891418},{"id":"https://openalex.org/C162416716","wikidata":"https://www.wikidata.org/wiki/Q446180","display_name":"Moving target indication","level":5,"score":0.7862919569015503},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7534696459770203},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7190231084823608},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5934224128723145},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.47859880328178406},{"id":"https://openalex.org/C7615733","wikidata":"https://www.wikidata.org/wiki/Q2085398","display_name":"Phase center","level":3,"score":0.44748905301094055},{"id":"https://openalex.org/C183115368","wikidata":"https://www.wikidata.org/wiki/Q856577","display_name":"Weighting","level":2,"score":0.43272462487220764},{"id":"https://openalex.org/C32283439","wikidata":"https://www.wikidata.org/wiki/Q1407014","display_name":"Radar tracker","level":3,"score":0.43074357509613037},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.425322949886322},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.38201311230659485},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3782038390636444},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3547593653202057},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.33598482608795166},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.24830734729766846},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21040421724319458},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.17121931910514832},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.1622789204120636},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12975609302520752},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12736552953720093}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2018.2791622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2018.2791622","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":[{"score":0.47999998927116394,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1587841286","https://openalex.org/W1905776047","https://openalex.org/W1982303641","https://openalex.org/W2002419082","https://openalex.org/W2072614476","https://openalex.org/W2113411818","https://openalex.org/W2141795796","https://openalex.org/W2321687334","https://openalex.org/W2333211418","https://openalex.org/W2513639043","https://openalex.org/W2604185782","https://openalex.org/W3214953536","https://openalex.org/W6634996579","https://openalex.org/W6700756792","https://openalex.org/W6702774211"],"related_works":["https://openalex.org/W2205293609","https://openalex.org/W2144258533","https://openalex.org/W2613065628","https://openalex.org/W1587889366","https://openalex.org/W1656784496","https://openalex.org/W2156320159","https://openalex.org/W1592267426","https://openalex.org/W2382496893","https://openalex.org/W2141813416","https://openalex.org/W2362681813"],"abstract_inverted_index":{"The":[0,32],"azimuth":[1,58,62,134],"multichannel":[2,49,135],"synthetic":[3],"aperture":[4],"radar":[5],"(SAR)":[6],"system":[7,51,92],"is":[8],"used":[9],"in":[10,56,68,72,115],"ground":[11],"moving":[12,148],"target":[13],"indication":[14],"(GMTI).":[15],"But":[16],"for":[17,133],"Ka-band":[18],"SAR,":[19],"the":[20,57,69,84,109,116,139,154,158,162],"conflicts":[21],"between":[22],"high":[23],"gain":[24,77],"and":[25,78,96,112,126,153],"wide":[26],"swath":[27],"coverage":[28],"are":[29,66,93,101,131,150],"very":[30,43],"strict.":[31],"digital":[33],"beamforming":[34],"(DBF)":[35],"scan-on-receive":[36],"(SCORE)":[37],"algorithm":[38],"can":[39],"solve":[40],"this":[41,91,104],"problem":[42],"well.":[44],"This":[45],"letter":[46],"introduces":[47],"a":[48,79],"SAR":[50],"with":[52,90,146],"three":[53],"receiving":[54],"antennas":[55],"direction.":[59],"For":[60],"each":[61],"antenna,":[63],"eight":[64],"subapertures":[65],"arranged":[67],"elevation":[70],"direction":[71],"order":[73],"to":[74],"obtain":[75],"higher":[76],"lower":[80],"data":[81,100,145],"rate":[82],"through":[83],"DBF-SCORE":[85,117,140],"algorithm.":[86],"Airborne":[87],"flight":[88],"experiments":[89],"accomplished":[94],"successfully":[95],"quantities":[97],"of":[98,157],"experimental":[99],"acquired.":[102],"In":[103],"letter,":[105],"we":[106],"first":[107],"derive":[108],"signal":[110],"forms":[111],"weighting":[113],"coefficients":[114],"procedures.":[118],"Then,":[119],"different":[120],"GMTI":[121],"methods":[122],"including":[123],"along-track":[124],"interferometry":[125],"displaced":[127],"phase":[128],"center":[129],"antenna":[130],"introduced":[132],"SAR-GMTI":[136],"based":[137],"on":[138],"technology.":[141],"Finally,":[142],"airborne":[143],"raw":[144],"cooperating":[147],"targets":[149],"processed":[151],"successfully,":[152],"estimation":[155],"errors":[156],"radial":[159],"velocities":[160],"meet":[161],"expected":[163],"accuracy":[164],"requirements.":[165]},"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":8},{"year":2021,"cited_by_count":28},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}