{"id":"https://openalex.org/W2795801867","doi":"https://doi.org/10.1109/lgrs.2018.2817127","title":"Overlapping Laser Micro-Doppler Feature Extraction and Separation of Weak Vibration Targets","display_name":"Overlapping Laser Micro-Doppler Feature Extraction and Separation of Weak Vibration Targets","publication_year":2018,"publication_date":"2018-04-03","ids":{"openalex":"https://openalex.org/W2795801867","doi":"https://doi.org/10.1109/lgrs.2018.2817127","mag":"2795801867"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2018.2817127","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2018.2817127","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/A5101653411","display_name":"Yihua Hu","orcid":"https://orcid.org/0000-0002-1777-0242"},"institutions":[{"id":"https://openalex.org/I4392021190","display_name":"State Key Laboratory of Pulsed Power Laser Technology","ror":"https://ror.org/00wv14x31","country_code":null,"type":"facility","lineage":["https://openalex.org/I170215575","https://openalex.org/I4392021190"]}],"countries":[],"is_corresponding":false,"raw_author_name":"Yihua Hu","raw_affiliation_strings":["State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering","institution_ids":["https://openalex.org/I4392021190"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048225821","display_name":"Liren Guo","orcid":"https://orcid.org/0000-0003-0873-8272"},"institutions":[{"id":"https://openalex.org/I4392021190","display_name":"State Key Laboratory of Pulsed Power Laser Technology","ror":"https://ror.org/00wv14x31","country_code":null,"type":"facility","lineage":["https://openalex.org/I170215575","https://openalex.org/I4392021190"]}],"countries":[],"is_corresponding":false,"raw_author_name":"Liren Guo","raw_affiliation_strings":["State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering"],"raw_orcid":"https://orcid.org/0000-0003-0873-8272","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering","institution_ids":["https://openalex.org/I4392021190"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037923772","display_name":"Xiao Dong","orcid":"https://orcid.org/0000-0001-6343-0030"},"institutions":[{"id":"https://openalex.org/I4392021190","display_name":"State Key Laboratory of Pulsed Power Laser Technology","ror":"https://ror.org/00wv14x31","country_code":null,"type":"facility","lineage":["https://openalex.org/I170215575","https://openalex.org/I4392021190"]}],"countries":[],"is_corresponding":false,"raw_author_name":"Xiao Dong","raw_affiliation_strings":["State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering"],"raw_orcid":"https://orcid.org/0000-0001-6343-0030","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering","institution_ids":["https://openalex.org/I4392021190"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102705486","display_name":"Shilong Xu","orcid":"https://orcid.org/0000-0001-9717-5525"},"institutions":[{"id":"https://openalex.org/I4392021190","display_name":"State Key Laboratory of Pulsed Power Laser Technology","ror":"https://ror.org/00wv14x31","country_code":null,"type":"facility","lineage":["https://openalex.org/I170215575","https://openalex.org/I4392021190"]}],"countries":[],"is_corresponding":false,"raw_author_name":"Shilong Xu","raw_affiliation_strings":["State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Pulsed Power Laser Technology, College of Electronic Engineering","institution_ids":["https://openalex.org/I4392021190"]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4392021190"],"apc_list":null,"apc_paid":null,"fwci":8.2396,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.97106173,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"15","issue":"6","first_page":"952","last_page":"956"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9955000281333923,"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":0.9955000281333923,"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9919999837875366,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11324","display_name":"Spectroscopy Techniques in Biomedical and Chemical Research","score":0.9904000163078308,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6127209067344666},{"id":"https://openalex.org/keywords/autoregressive-model","display_name":"Autoregressive model","score":0.5966550707817078},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5871667861938477},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5656511783599854},{"id":"https://openalex.org/keywords/particle-filter","display_name":"Particle filter","score":0.5326523184776306},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5205700993537903},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5106857419013977},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4987986087799072},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.4956589937210083},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.4640082120895386},{"id":"https://openalex.org/keywords/instantaneous-phase","display_name":"Instantaneous phase","score":0.44701895117759705},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4359709322452545},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4256688952445984},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4067080318927765},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3774987757205963},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2877017855644226},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.16521120071411133},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11785328388214111},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08768856525421143}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6127209067344666},{"id":"https://openalex.org/C159877910","wikidata":"https://www.wikidata.org/wiki/Q2202883","display_name":"Autoregressive model","level":2,"score":0.5966550707817078},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5871667861938477},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5656511783599854},{"id":"https://openalex.org/C52421305","wikidata":"https://www.wikidata.org/wiki/Q1151499","display_name":"Particle filter","level":3,"score":0.5326523184776306},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5205700993537903},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5106857419013977},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4987986087799072},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.4956589937210083},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.4640082120895386},{"id":"https://openalex.org/C137798554","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Instantaneous phase","level":3,"score":0.44701895117759705},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4359709322452545},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4256688952445984},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4067080318927765},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3774987757205963},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2877017855644226},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.16521120071411133},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11785328388214111},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08768856525421143},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2018.2817127","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2018.2817127","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":[{"display_name":"Peace, Justice and strong institutions","score":0.8100000023841858,"id":"https://metadata.un.org/sdg/16"}],"awards":[{"id":"https://openalex.org/G2111569517","display_name":"\u76ee\u6807\u632f\u52a8\u76f8\u5e72\u6fc0\u5149\u9065\u611f\u63a2\u6d4b\u65b9\u6cd5\u7814\u7a76","funder_award_id":"61271353","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":20,"referenced_works":["https://openalex.org/W1184305027","https://openalex.org/W1969061339","https://openalex.org/W1988898021","https://openalex.org/W2019010885","https://openalex.org/W2030579964","https://openalex.org/W2037514740","https://openalex.org/W2053573601","https://openalex.org/W2065888080","https://openalex.org/W2077347101","https://openalex.org/W2089914708","https://openalex.org/W2112719014","https://openalex.org/W2153594606","https://openalex.org/W2242223225","https://openalex.org/W2321689746","https://openalex.org/W2366305208","https://openalex.org/W2485468894","https://openalex.org/W2566735758","https://openalex.org/W6655084988","https://openalex.org/W6658274548","https://openalex.org/W6700311713"],"related_works":["https://openalex.org/W2134843605","https://openalex.org/W1973229893","https://openalex.org/W3091698330","https://openalex.org/W1619742598","https://openalex.org/W116012085","https://openalex.org/W2362530701","https://openalex.org/W2121898104","https://openalex.org/W2394182905","https://openalex.org/W2889771308","https://openalex.org/W3099055523"],"abstract_inverted_index":{"The":[0,170],"laser-detected":[1],"micro-Doppler":[2],"(MD)":[3],"effect":[4,119],"is":[5,63,80,94,104,145],"more":[6],"likely":[7],"to":[8,65,106],"achieve":[9],"precision":[10],"target":[11],"identification":[12],"and":[13,82,91,136,160,176],"recognition":[14],"because":[15],"of":[16,100,133,156,178],"its":[17],"high-accuracy":[18],"estimation":[19],"ability.":[20],"MD":[21,78,118],"features":[22],"overlapping":[23,168],"in":[24,30,57],"the":[25,72,83,86,97,101,116,121,128,131,139,149,154,157,174,179,183],"time-frequency":[26],"(TF)":[27],"are":[28,163],"encountered":[29],"targets":[31],"with":[32,40],"similar":[33],"micromotion":[34],"parameters,":[35],"which":[36],"cannot":[37],"be":[38],"solved":[39],"one-channel":[41],"detection.":[42],"In":[43],"this":[44,67],"letter,":[45],"a":[46,52,58,76,108,112,166],"novel":[47],"separation":[48],"method":[49,159,162],"based":[50],"on":[51],"constrained":[53],"particle":[54,134],"filter":[55],"(PF)":[56],"time-varying":[59],"autoregressive":[60],"(TVAR)":[61],"model":[62,74,92],"developed":[64],"solve":[66],"extremely":[68],"underdetermined":[69],"problem.":[70],"First,":[71],"TVAR":[73],"for":[75,111,142,165,190],"multicomponent":[77],"signal":[79],"established,":[81],"connection":[84],"between":[85],"interested":[87],"instantaneous":[88],"frequency":[89,123],"(IF)":[90],"poles":[93],"analyzed.":[95],"Then,":[96],"continuity":[98],"characteristic":[99],"IF":[102,140],"law":[103],"used":[105],"design":[107],"constraint":[109,129],"condition":[110],"PF":[113],"assuming":[114],"that":[115],"laser":[117],"obeys":[120],"sinusoidal":[122],"modulation":[124],"form.":[125],"By":[126],"fusing":[127],"into":[130],"process":[132],"update":[135],"weight":[137],"computation,":[138],"curve":[141],"each":[143],"component":[144],"correctly":[146],"separated":[147],"through":[148],"well-tracked":[150],"pole":[151],"trajectories.":[152],"Finally,":[153],"performances":[155],"presented":[158],"traditional":[161],"compared":[164],"TF":[167],"scenario.":[169],"simulation":[171],"results":[172],"verify":[173],"validity":[175],"necessity":[177],"new":[180],"method;":[181],"meanwhile,":[182],"low-level":[184],"computational":[185],"complexity":[186],"makes":[187],"it":[188],"possible":[189],"real-time":[191],"processing.":[192]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}