{"id":"https://openalex.org/W2901327122","doi":"https://doi.org/10.1109/igarss.2018.8519361","title":"A Novel Imaging Formation of Electromagnetic Vortex Sar with Time-Variant Orbital-Angular-Momentum","display_name":"A Novel Imaging Formation of Electromagnetic Vortex Sar with Time-Variant Orbital-Angular-Momentum","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901327122","doi":"https://doi.org/10.1109/igarss.2018.8519361","mag":"2901327122"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8519361","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8519361","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5060108514","display_name":"Yue Fang","orcid":"https://orcid.org/0000-0002-5596-2595"},"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":true,"raw_author_name":"Yue Fang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101979803","display_name":"Jie Chen","orcid":"https://orcid.org/0000-0002-1481-0659"},"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":"Jie Chen","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100704036","display_name":"Pengbo Wang","orcid":"https://orcid.org/0000-0002-6364-9806"},"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":"Pengbo Wang","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062999786","display_name":"Zhirong Men","orcid":"https://orcid.org/0000-0003-3027-2691"},"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":"Zhirong Men","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059151698","display_name":"Xinkai Zhou","orcid":"https://orcid.org/0000-0002-9352-5695"},"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":"Xinkai Zhou","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5028100304","display_name":"Kai-Qi Hu","orcid":null},"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":"Kaiqi Hu","raw_affiliation_strings":["School of Electronic and Information Engineering, Beihang University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Information Engineering, Beihang University, Beijing, China","institution_ids":["https://openalex.org/I82880672"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5060108514"],"corresponding_institution_ids":["https://openalex.org/I82880672"],"apc_list":null,"apc_paid":null,"fwci":0.1609,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.55729099,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"577","last_page":"580"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10490","display_name":"Orbital Angular Momentum in Optics","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10490","display_name":"Orbital Angular Momentum in Optics","score":1.0,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11897","display_name":"Digital Holography and Microscopy","score":0.9851999878883362,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/angular-momentum","display_name":"Angular momentum","score":0.6930845975875854},{"id":"https://openalex.org/keywords/staring","display_name":"Staring","score":0.6733208894729614},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6579117774963379},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5948638916015625},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5477021932601929},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.513079047203064},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.48331618309020996},{"id":"https://openalex.org/keywords/vortex","display_name":"Vortex","score":0.482757031917572},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4312288463115692},{"id":"https://openalex.org/keywords/echo","display_name":"Echo (communications protocol)","score":0.4312000870704651},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.40394338965415955},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3604094684123993},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.35025882720947266},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.23132041096687317},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1674402952194214},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12980768084526062},{"id":"https://openalex.org/keywords/classical-mechanics","display_name":"Classical mechanics","score":0.09117671847343445}],"concepts":[{"id":"https://openalex.org/C155675718","wikidata":"https://www.wikidata.org/wiki/Q161254","display_name":"Angular momentum","level":2,"score":0.6930845975875854},{"id":"https://openalex.org/C2778949103","wikidata":"https://www.wikidata.org/wiki/Q600717","display_name":"Staring","level":2,"score":0.6733208894729614},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6579117774963379},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5948638916015625},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5477021932601929},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.513079047203064},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.48331618309020996},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.482757031917572},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4312288463115692},{"id":"https://openalex.org/C2779426996","wikidata":"https://www.wikidata.org/wiki/Q18389128","display_name":"Echo (communications protocol)","level":2,"score":0.4312000870704651},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40394338965415955},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3604094684123993},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.35025882720947266},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.23132041096687317},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1674402952194214},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12980768084526062},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.09117671847343445},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2018.8519361","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8519361","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.5799999833106995,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W2013674306","https://openalex.org/W2058137486","https://openalex.org/W2110800338","https://openalex.org/W2118527690","https://openalex.org/W2130091446","https://openalex.org/W2169481269","https://openalex.org/W2315923703","https://openalex.org/W2319113290","https://openalex.org/W2321597260","https://openalex.org/W2378970862","https://openalex.org/W2517960443","https://openalex.org/W2758730779","https://openalex.org/W2775675799","https://openalex.org/W3102204358","https://openalex.org/W6700100132","https://openalex.org/W6726778517"],"related_works":["https://openalex.org/W2545123933","https://openalex.org/W2585813813","https://openalex.org/W3110962985","https://openalex.org/W2042726296","https://openalex.org/W2096748030","https://openalex.org/W3016428515","https://openalex.org/W2160730947","https://openalex.org/W2747205507","https://openalex.org/W2917196883","https://openalex.org/W1908997176"],"abstract_inverted_index":{"In":[0],"recent":[1],"years,":[2],"electromagnetic":[3],"vortex":[4],"waves":[5],"carrying":[6],"orbital":[7],"angular":[8],"momentum":[9],"(OAM)":[10],"arouse":[11],"extensive":[12],"attention":[13],"in":[14,97],"remote":[15],"sensing":[16],"imaging":[17,28,68],"fields.":[18,105],"However,":[19],"most":[20],"of":[21,50,86],"the":[22,26,31,37,48,66,72,84,87,98],"researches":[23],"concentrate":[24],"on":[25,47],"staring":[27],"mode,":[29],"where":[30],"radar":[32,53],"is":[33,63,76],"motionless":[34],"relative":[35],"to":[36],"targets.":[38],"We":[39],"establish":[40],"a":[41],"novel":[42,60],"system":[43,93],"operation":[44,61],"mode":[45,62],"based":[46],"principle":[49],"synthetic":[51],"aperture":[52],"(SAR).":[54],"The":[55],"echo":[56],"model":[57],"upon":[58],"this":[59],"established":[64],"and":[65,79,90,102],"new":[67],"method":[69,89],"modified":[70],"from":[71],"back-projection":[73],"(BP)":[74],"algorithm":[75],"deduced.":[77],"Simulation":[78],"image":[80],"evaluation":[81],"results":[82],"demonstrate":[83],"validation":[85],"proposed":[88],"OAM-based":[91],"SAR":[92,99],"can":[94],"be":[95],"utilized":[96],"data":[100],"acquisition":[101],"signal":[103],"processing":[104]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}