{"id":"https://openalex.org/W4411471984","doi":"https://doi.org/10.1109/taes.2025.3580696","title":"Micromotion Frequency Estimation of Multiple Space Targets Based on RCD Spectrum","display_name":"Micromotion Frequency Estimation of Multiple Space Targets Based on RCD Spectrum","publication_year":2025,"publication_date":"2025-06-20","ids":{"openalex":"https://openalex.org/W4411471984","doi":"https://doi.org/10.1109/taes.2025.3580696"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2025.3580696","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3580696","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","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/A5057628847","display_name":"Zhiming Xu","orcid":"https://orcid.org/0000-0002-3306-8023"},"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":"Zhiming Xu","raw_affiliation_strings":["State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-3306-8023","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040851193","display_name":"Qihua Wu","orcid":"https://orcid.org/0000-0002-9998-2301"},"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":"Qihua Wu","raw_affiliation_strings":["State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-9998-2301","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052846731","display_name":"Xiaofeng Ai","orcid":"https://orcid.org/0000-0002-5080-8126"},"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":"Xiaofeng Ai","raw_affiliation_strings":["State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-5080-8126","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100765468","display_name":"Xiaobin Liu","orcid":"https://orcid.org/0000-0002-1472-4312"},"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":"Xiaobin Liu","raw_affiliation_strings":["State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0002-1472-4312","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jing Wu","orcid":"https://orcid.org/0009-0006-5889-7916"},"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":"Jing Wu","raw_affiliation_strings":["State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0009-0006-5889-7916","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039451244","display_name":"Feng Zhao","orcid":"https://orcid.org/0000-0003-1275-3352"},"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":"Feng Zhao","raw_affiliation_strings":["State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics and Information System, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I170215575"],"apc_list":null,"apc_paid":null,"fwci":7.4614,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.97409101,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"61","issue":"5","first_page":"14019","last_page":"14030"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T14257","display_name":"Advanced Measurement and Detection Methods","score":0.9900000095367432,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T13869","display_name":"Ocular and Laser Science Research","score":0.9835000038146973,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5343256592750549},{"id":"https://openalex.org/keywords/frequency-spectrum","display_name":"Frequency spectrum","score":0.4526623487472534},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.44331514835357666},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.4330423176288605},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.41869738698005676},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3801097869873047},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3263353705406189},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2432863712310791},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.22021007537841797},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20836368203163147}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5343256592750549},{"id":"https://openalex.org/C122381330","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Frequency spectrum","level":3,"score":0.4526623487472534},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.44331514835357666},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.4330423176288605},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.41869738698005676},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3801097869873047},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3263353705406189},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2432863712310791},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.22021007537841797},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20836368203163147},{"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/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2025.3580696","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3580696","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.6899999976158142}],"awards":[{"id":"https://openalex.org/G2412696553","display_name":null,"funder_award_id":"62401580","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W2005492343","https://openalex.org/W2045423428","https://openalex.org/W2049212827","https://openalex.org/W2054721366","https://openalex.org/W2079210385","https://openalex.org/W2093849770","https://openalex.org/W2110646474","https://openalex.org/W2153594606","https://openalex.org/W2566735758","https://openalex.org/W2587503573","https://openalex.org/W2738257622","https://openalex.org/W2793121084","https://openalex.org/W2891278391","https://openalex.org/W2896408289","https://openalex.org/W2922230884","https://openalex.org/W2957484200","https://openalex.org/W2969991197","https://openalex.org/W2970711534","https://openalex.org/W3091105572","https://openalex.org/W3136467379","https://openalex.org/W3202448881","https://openalex.org/W4225660138","https://openalex.org/W4285225465","https://openalex.org/W4285243710","https://openalex.org/W4375928950","https://openalex.org/W4376608006","https://openalex.org/W4389610500","https://openalex.org/W4391450885","https://openalex.org/W4392607688","https://openalex.org/W4396941267","https://openalex.org/W4401806974"],"related_works":["https://openalex.org/W2389102677","https://openalex.org/W2381817933","https://openalex.org/W2367436654","https://openalex.org/W2375035276","https://openalex.org/W2168258490","https://openalex.org/W2161497134","https://openalex.org/W2154168811","https://openalex.org/W4300183508","https://openalex.org/W1966080132","https://openalex.org/W2314087273"],"abstract_inverted_index":{"Micromotion":[0],"frequency":[1,27,35,64],"is":[2,47,72,81,108,123],"one":[3],"of":[4,42,97,119],"the":[5,24,33,40,69,78,95,117,120,126],"key":[6],"features":[7],"to":[8,32,93,112],"distinguish":[9],"space":[10,20],"targets":[11,21,98],"from":[12,18],"decoys.":[13],"The":[14],"radar":[15],"echoes":[16],"scattered":[17],"multiple":[19],"overlapped":[22],"in":[23],"time":[25],"and":[26,55,86,89,99],"domain,":[28],"which":[29],"brings":[30],"challenges":[31],"micromotion":[34,63],"estimation.":[36],"In":[37],"this":[38],"paper,":[39],"concept":[41],"range-cadence":[43],"Doppler":[44],"(RCD)":[45],"spectrum":[46,71],"defined":[48],"based":[49,67],"on":[50,68],"high-resolution":[51],"range":[52],"profiles":[53],"(HRRPs)":[54],"cadence":[56],"velocity":[57],"diagrams":[58],"(CVD).":[59],"Then,":[60],"a":[61],"multi-target":[62],"estimation":[65],"algorithm":[66,80,122],"RCD":[70,79,121],"proposed.":[73],"Compared":[74],"with":[75],"traditional":[76],"algorithms,":[77],"suitable":[82],"for":[83],"both":[84],"narrowband":[85],"wideband":[87],"situations":[88],"does":[90],"not":[91],"need":[92],"preset":[94],"number":[96],"thresholds.":[100],"Consequently,":[101],"it":[102],"has":[103],"better":[104,110],"robustness.":[105],"Computational":[106],"efficiency":[107],"also":[109],"due":[111],"no":[113],"iterative":[114],"operations.":[115],"Finally,":[116],"performance":[118],"verified":[124],"by":[125],"anechoic":[127],"chamber":[128],"measurement":[129],"data.":[130]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}