{"id":"https://openalex.org/W2565547434","doi":"https://doi.org/10.1109/lgrs.2016.2633622","title":"An Isophase-Based Life Signal Extraction in Through-the-Wall Radar","display_name":"An Isophase-Based Life Signal Extraction in Through-the-Wall Radar","publication_year":2016,"publication_date":"2016-12-12","ids":{"openalex":"https://openalex.org/W2565547434","doi":"https://doi.org/10.1109/lgrs.2016.2633622","mag":"2565547434"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2016.2633622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2633622","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/A5101482703","display_name":"Lei Qiu","orcid":"https://orcid.org/0000-0001-6736-7606"},"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":"Lei Qiu","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0001-6736-7606","affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007286998","display_name":"Tian Jin","orcid":"https://orcid.org/0000-0002-0734-9833"},"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":"Tian Jin","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083776622","display_name":"Biying Lu","orcid":"https://orcid.org/0000-0001-9055-9112"},"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":"Biying Lu","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100406525","display_name":"Zhimin Zhou","orcid":"https://orcid.org/0000-0002-4135-0977"},"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":"Zhimin Zhou","raw_affiliation_strings":["College of Electronic Science and Engineering, National University of Defense Technology, Changsha, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic Science and Engineering, 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":1.3647,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.81285056,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"14","issue":"2","first_page":"193","last_page":"197"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9896000027656555,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9830999970436096,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6831870675086975},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5977312326431274},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5928221940994263},{"id":"https://openalex.org/keywords/outlier","display_name":"Outlier","score":0.592568039894104},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.49098899960517883},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.4906064569950104},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.48209312558174133},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.47227180004119873},{"id":"https://openalex.org/keywords/radar-cross-section","display_name":"Radar cross-section","score":0.4307858943939209},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.37258636951446533},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2100846767425537},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18861261010169983},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14478525519371033}],"concepts":[{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6831870675086975},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5977312326431274},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5928221940994263},{"id":"https://openalex.org/C79337645","wikidata":"https://www.wikidata.org/wiki/Q779824","display_name":"Outlier","level":2,"score":0.592568039894104},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.49098899960517883},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.4906064569950104},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.48209312558174133},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.47227180004119873},{"id":"https://openalex.org/C101457746","wikidata":"https://www.wikidata.org/wiki/Q560430","display_name":"Radar cross-section","level":3,"score":0.4307858943939209},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.37258636951446533},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2100846767425537},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18861261010169983},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14478525519371033},{"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/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2016.2633622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2016.2633622","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":"Responsible consumption and production","score":0.5,"id":"https://metadata.un.org/sdg/12"}],"awards":[{"id":"https://openalex.org/G160178735","display_name":null,"funder_award_id":"61372161","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5721959881","display_name":"\u8d85\u5bbd\u5e26\u865a\u62df\u5b54\u5f84\u96f7\u8fbe\u9690\u853d\u76ee\u6807\u6210\u50cf\u7814\u7a76","funder_award_id":"61271441","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":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1906724370","https://openalex.org/W1968148105","https://openalex.org/W1975920727","https://openalex.org/W1977696830","https://openalex.org/W2012391976","https://openalex.org/W2016311027","https://openalex.org/W2019317994","https://openalex.org/W2045727797","https://openalex.org/W2049887516","https://openalex.org/W2055590061","https://openalex.org/W2091921805","https://openalex.org/W2094458529","https://openalex.org/W2115432631","https://openalex.org/W2121274305","https://openalex.org/W2331091306","https://openalex.org/W2535579546","https://openalex.org/W6702127047"],"related_works":["https://openalex.org/W3006513224","https://openalex.org/W2046456988","https://openalex.org/W2357409937","https://openalex.org/W2978674666","https://openalex.org/W2074430941","https://openalex.org/W2113096305","https://openalex.org/W2165907643","https://openalex.org/W2580722822","https://openalex.org/W3168129058","https://openalex.org/W3094505422"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"propose":[4],"an":[5],"isophase-based":[6],"method":[7,144],"for":[8],"human":[9,46,60,132,147],"life":[10,61,148],"signal":[11,149],"extraction":[12],"using":[13],"a":[14,39,44,130,134,138],"stepped-frequency":[15],"continuous-wave":[16],"through-the-wall":[17],"radar.":[18],"Isophase":[19],"is":[20,38,54,67,77,82],"the":[21,27,32,52,64,72,75,80,85,92,102,109,122,142],"line":[22],"connected":[23],"by":[24,84],"points":[25],"of":[26,74],"same":[28],"phase":[29],"value":[30],"in":[31],"slow":[33],"time":[34],"range":[35,94],"map":[36],"and":[37,56,63,95,133,151],"key":[40],"feature":[41],"to":[42,98,101,107],"distinguish":[43],"stationary":[45,131],"from":[47,105],"mechanical":[48],"vibrating":[49],"targets.":[50],"First,":[51],"isophase":[53,76,81,90,110],"introduced":[55],"associated":[57],"linearly":[58],"with":[59,129],"signal,":[62],"linear":[65],"coefficient":[66],"greater":[68],"than":[69],"1.":[70],"Then":[71],"limitation":[73],"discussed.":[78],"Finally,":[79],"extracted":[83],"edge":[86],"detection":[87],"method.":[88],"The":[89,115,126],"expands":[91],"micromotion":[93],"therefore":[96],"robust":[97],"noise.":[99],"Due":[100],"sudden":[103],"change":[104],"\u03bb":[106],"-\u03bb,":[108],"can":[111,145],"remove":[112],"outliers":[113],"effectively.":[114],"simulation":[116],"results":[117],"verify":[118],"its":[119],"advantages":[120],"over":[121],"amplitude":[123],"peak":[124],"locus.":[125],"experiments":[127],"done":[128],"rotating":[135],"fan":[136],"behind":[137],"wall":[139],"show":[140],"that":[141],"proposed":[143],"extract":[146],"effectively":[150],"precisely.":[152]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}