{"id":"https://openalex.org/W4390341790","doi":"https://doi.org/10.3390/rs16010126","title":"A Novel Intrapulse Beamsteering SAR Imaging Mode Based on OFDM-Chirp Signals","display_name":"A Novel Intrapulse Beamsteering SAR Imaging Mode Based on OFDM-Chirp Signals","publication_year":2023,"publication_date":"2023-12-28","ids":{"openalex":"https://openalex.org/W4390341790","doi":"https://doi.org/10.3390/rs16010126"},"language":"en","primary_location":{"id":"doi:10.3390/rs16010126","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16010126","pdf_url":"https://www.mdpi.com/2072-4292/16/1/126/pdf?version=1703736731","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/16/1/126/pdf?version=1703736731","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086488668","display_name":"Shenjing Wang","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":"Shenjing Wang","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, No. 109 Deya Road, Changsha 410073, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, No. 109 Deya Road, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035049598","display_name":"Feng He","orcid":"https://orcid.org/0000-0003-3404-5445"},"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":"Feng He","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, No. 109 Deya Road, Changsha 410073, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, No. 109 Deya Road, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100631018","display_name":"Zhen Dong","orcid":"https://orcid.org/0000-0002-9917-7628"},"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":"Zhen Dong","raw_affiliation_strings":["College of Electronic Science and Technology, National University of Defense Technology, No. 109 Deya Road, Changsha 410073, China"],"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Technology, National University of Defense Technology, No. 109 Deya Road, Changsha 410073, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5035049598"],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.7675,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.87443057,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"16","issue":"1","first_page":"126","last_page":"126"},"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9994000196456909,"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":0.9991000294685364,"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/computer-science","display_name":"Computer science","score":0.6332545280456543},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.587133526802063},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.5707458853721619},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5451282262802124},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.521199643611908},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5207933783531189},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.4877220094203949},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.44761261343955994},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.42399245500564575},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2811520993709564},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2628536820411682},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17373982071876526},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1147584617137909},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09880214929580688},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.06725656986236572}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6332545280456543},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.587133526802063},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5707458853721619},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5451282262802124},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.521199643611908},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5207933783531189},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.4877220094203949},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.44761261343955994},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.42399245500564575},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2811520993709564},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2628536820411682},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17373982071876526},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1147584617137909},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09880214929580688},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.06725656986236572},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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":2,"locations":[{"id":"doi:10.3390/rs16010126","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16010126","pdf_url":"https://www.mdpi.com/2072-4292/16/1/126/pdf?version=1703736731","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2f763d8391c0429b84eb540a72de7e1f","is_oa":true,"landing_page_url":"https://doaj.org/article/2f763d8391c0429b84eb540a72de7e1f","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 16, Iss 1, p 126 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs16010126","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs16010126","pdf_url":"https://www.mdpi.com/2072-4292/16/1/126/pdf?version=1703736731","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3811045614","display_name":null,"funder_award_id":"61771478","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4390341790.pdf"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1969831567","https://openalex.org/W1993638164","https://openalex.org/W1999778768","https://openalex.org/W2033039712","https://openalex.org/W2103313641","https://openalex.org/W2110964282","https://openalex.org/W2112261687","https://openalex.org/W2126730357","https://openalex.org/W2149342143","https://openalex.org/W2168210733","https://openalex.org/W2965464814","https://openalex.org/W3065801841","https://openalex.org/W3090947966","https://openalex.org/W3206842989","https://openalex.org/W3214953536","https://openalex.org/W4367016589","https://openalex.org/W4382489111","https://openalex.org/W4388430612","https://openalex.org/W6636488169","https://openalex.org/W6637794992"],"related_works":["https://openalex.org/W2059318893","https://openalex.org/W2095582735","https://openalex.org/W1965698851","https://openalex.org/W834942123","https://openalex.org/W4232542516","https://openalex.org/W3176637561","https://openalex.org/W1587967017","https://openalex.org/W2086434566","https://openalex.org/W2390221826","https://openalex.org/W2010341259"],"abstract_inverted_index":{"The":[0,115],"multiple-input":[1],"multiple-output":[2],"synthetic":[3],"aperture":[4],"radar":[5,132,146,155,183,275],"(MIMO":[6],"SAR)":[7],"system":[8,27,219],"has":[9,147],"developed":[10],"rapidly":[11],"since":[12],"its":[13],"discovery.":[14],"At":[15],"the":[16,19,25,33,40,58,62,83,94,98,110,129,137,144,158,165,195,207,218,244,247,259,269,273],"same":[17],"time,":[18],"low-disturbance":[20],"and":[21,86,133,136,167,170,190,200,209,222,230,236,268],"high-gain":[22],"requirements":[23],"of":[24,35,65,75,89,93,97,112,131,141,160,197,246,262,272],"MIMO":[26,52],"are":[28,226,239],"continuing":[29],"to":[30,101,128,150,212,242,265],"increase.":[31],"Through":[32],"application":[34],"digital":[36],"beamforming":[37],"(DBF)":[38],"techniques,":[39],"multidimensional":[41],"waveform":[42,77,139],"encoding":[43,78],"(MWE)":[44],"technique":[45,100,121],"can":[46,55,80,204],"play":[47],"a":[48,72,153,181,251],"key":[49],"role":[50],"in":[51,69,107,109,125,164,188,228,277],"systems,":[53],"which":[54,79,203,257],"greatly":[56,81,205],"improve":[57,82,206],"system\u2019s":[59],"performance,":[60],"especially":[61],"multi-mission":[63,87],"capability":[64],"radar.":[66,90],"Intrapulse":[67],"beamsteering":[68,187],"elevation":[70,189],"is":[71,104,122,163,171,254],"typical":[73],"form":[74],"multi-dimensional":[76],"transmitting":[84],"efficiency":[85],"performance":[88,108,208],"However,":[91],"because":[92],"high":[95,260,270],"sensitivity":[96],"DBF":[99],"height,":[102],"there":[103],"significant":[105],"deterioration":[106],"presence":[111],"terrain":[113,175,266],"undulations.":[114],"OFDM":[116,142,145,161],"(Orthogonal":[117],"Frequency":[118],"Division":[119],"Multiplexing)":[120],"widely":[123],"used":[124],"communication.":[126],"Due":[127],"similarity":[130],"communication":[134],"systems":[135],"great":[138],"diversity":[140],"signals,":[143,192],"recently":[148],"begun":[149],"emerge":[151],"as":[152],"new":[154],"system,":[156],"simultaneously,":[157],"orthogonality":[159],"signals":[162],"time":[166],"frequency":[168],"domains,":[169],"not":[172],"affected":[173],"by":[174],"undulation.":[176],"So,":[177],"this":[178,216],"paper":[179],"proposes":[180],"novel":[182],"mode":[184,221,276],"combining":[185],"intrapulse":[186],"OFDM-Chirp":[191],"that":[193],"is,":[194],"combination":[196],"\u201cbeam":[198],"orthogonality\u201d":[199],"\u201cwaveform":[201],"orthogonality\u201d,":[202],"fault":[210,263],"tolerance":[211,264],"interference":[213],"signals.":[214],"In":[215],"manuscript,":[217],"working":[220],"signal":[223],"processing":[224],"flow":[225],"introduced":[227],"detail,":[229],"simulations":[231],"for":[232],"both":[233],"point":[234],"targets":[235,238],"distributed":[237],"carried":[240,255],"out":[241],"verify":[243],"feasibility":[245],"proposed":[248,274],"mode.":[249],"Simultaneously,":[250],"comparison":[252],"experiment":[253],"out,":[256],"shows":[258],"level":[261],"undulation":[267],"potential":[271],"Earth":[278],"observation.":[279]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3}],"updated_date":"2026-02-28T09:26:25.869077","created_date":"2025-10-10T00:00:00"}
