{"id":"https://openalex.org/W7164354704","doi":"https://doi.org/10.1016/j.dsp.2026.106332","title":"Region-adaptive instantaneous frequency reconstruction for controlled crossing multicomponent signals via PDE-based chirp-rate estimation","display_name":"Region-adaptive instantaneous frequency reconstruction for controlled crossing multicomponent signals via PDE-based chirp-rate estimation","publication_year":2026,"publication_date":"2026-06-11","ids":{"openalex":"https://openalex.org/W7164354704","doi":"https://doi.org/10.1016/j.dsp.2026.106332"},"language":"en","primary_location":{"id":"doi:10.1016/j.dsp.2026.106332","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dsp.2026.106332","pdf_url":null,"source":{"id":"https://openalex.org/S64117906","display_name":"Digital Signal Processing","issn_l":"1051-2004","issn":["1051-2004","1095-4333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Signal Processing","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/A5138462154","display_name":"Lian Jiang","orcid":null},"institutions":[{"id":"https://openalex.org/I24201400","display_name":"Chengdu University of Information Technology","ror":"https://ror.org/01yxwrh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I24201400"]},{"id":"https://openalex.org/I31595395","display_name":"Chengdu University of Technology","ror":"https://ror.org/05pejbw21","country_code":"CN","type":"education","lineage":["https://openalex.org/I31595395"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lian Jiang","raw_affiliation_strings":["Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","Chengdu University of Technology, Geomathematics Key Laboratory of Sichuan Province, Chengdu, 610059, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395","https://openalex.org/I24201400","https://openalex.org/I4210125143"]},{"raw_affiliation_string":"Chengdu University of Technology, Geomathematics Key Laboratory of Sichuan Province, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138448933","display_name":"Quanfeng Wang","orcid":"https://orcid.org/0009-0007-3619-0773"},"institutions":[{"id":"https://openalex.org/I24201400","display_name":"Chengdu University of Information Technology","ror":"https://ror.org/01yxwrh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I24201400"]},{"id":"https://openalex.org/I31595395","display_name":"Chengdu University of Technology","ror":"https://ror.org/05pejbw21","country_code":"CN","type":"education","lineage":["https://openalex.org/I31595395"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Quanfeng Wang","raw_affiliation_strings":["Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","Chengdu University of Technology, Geomathematics Key Laboratory of Sichuan Province, Chengdu, 610059, China"],"raw_orcid":"https://orcid.org/0009-0007-3619-0773","affiliations":[{"raw_affiliation_string":"Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395","https://openalex.org/I24201400","https://openalex.org/I4210125143"]},{"raw_affiliation_string":"Chengdu University of Technology, Geomathematics Key Laboratory of Sichuan Province, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138400573","display_name":"Lanxin Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I24201400","display_name":"Chengdu University of Information Technology","ror":"https://ror.org/01yxwrh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I24201400"]},{"id":"https://openalex.org/I31595395","display_name":"Chengdu University of Technology","ror":"https://ror.org/05pejbw21","country_code":"CN","type":"education","lineage":["https://openalex.org/I31595395"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lanxin Wu","raw_affiliation_strings":["Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","Chengdu University of Technology, Geomathematics Key Laboratory of Sichuan Province, Chengdu, 610059, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395","https://openalex.org/I24201400","https://openalex.org/I4210125143"]},{"raw_affiliation_string":"Chengdu University of Technology, Geomathematics Key Laboratory of Sichuan Province, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138404761","display_name":"Xiong Cheng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210152737","display_name":"Jinhua University of Vocational Technology","ror":"https://ror.org/047hbb113","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210152737"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiong Cheng","raw_affiliation_strings":["Sichuan Yingpai Technology Co., Ltd., China, Jinhua Road, Jinjiang District, Chengdu, 610000, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sichuan Yingpai Technology Co., Ltd., China, Jinhua Road, Jinjiang District, Chengdu, 610000, China","institution_ids":["https://openalex.org/I4210152737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5138441487","display_name":"Xinyuan Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I24201400","display_name":"Chengdu University of Information Technology","ror":"https://ror.org/01yxwrh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I24201400"]},{"id":"https://openalex.org/I31595395","display_name":"Chengdu University of Technology","ror":"https://ror.org/05pejbw21","country_code":"CN","type":"education","lineage":["https://openalex.org/I31595395"]},{"id":"https://openalex.org/I4210125143","display_name":"Chengdu University","ror":"https://ror.org/034z67559","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210125143"]},{"id":"https://openalex.org/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyuan Wang","raw_affiliation_strings":["Aerospace Information Research Institute, Chinese Academy of Sciences, No. 9 Dengzhuang South Road, Haidian District, Beijing, 100190, China","Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aerospace Information Research Institute, Chinese Academy of Sciences, No. 9 Dengzhuang South Road, Haidian District, Beijing, 100190, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Chengdu University of Technology, College of Mathematical Sciences, Chengdu, 610059, China","institution_ids":["https://openalex.org/I31595395","https://openalex.org/I24201400","https://openalex.org/I4210125143"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5138448933"],"corresponding_institution_ids":["https://openalex.org/I24201400","https://openalex.org/I31595395","https://openalex.org/I4210125143"],"apc_list":{"value":2480,"currency":"USD","value_usd":2480},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.96989482,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"182","issue":null,"first_page":"106332","last_page":"106332"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.1421000063419342,"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":0.1421000063419342,"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/T10220","display_name":"Machine Fault Diagnosis Techniques","score":0.10679999738931656,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.10189999639987946,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/instantaneous-phase","display_name":"Instantaneous phase","score":0.565500020980835},{"id":"https://openalex.org/keywords/signal-reconstruction","display_name":"Signal reconstruction","score":0.3896999955177307},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.35929998755455017},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3580000102519989},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.35659998655319214},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.35199999809265137}],"concepts":[{"id":"https://openalex.org/C137798554","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Instantaneous phase","level":3,"score":0.565500020980835},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5313000082969666},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5090000033378601},{"id":"https://openalex.org/C70958404","wikidata":"https://www.wikidata.org/wiki/Q7512728","display_name":"Signal reconstruction","level":4,"score":0.3896999955177307},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36550000309944153},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.35929998755455017},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3580000102519989},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.35659998655319214},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.35199999809265137},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.31470000743865967},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30559998750686646},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.30300000309944153},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2980000078678131},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.2915000021457672},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.28630000352859497},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.27379998564720154},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.2547999918460846},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.25200000405311584},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.2517000138759613}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.dsp.2026.106332","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dsp.2026.106332","pdf_url":null,"source":{"id":"https://openalex.org/S64117906","display_name":"Digital Signal Processing","issn_l":"1051-2004","issn":["1051-2004","1095-4333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320333335","display_name":"Sichuan Province Science and Technology Support Program","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W2005762117","https://openalex.org/W2030771094","https://openalex.org/W2155025946","https://openalex.org/W2169791062","https://openalex.org/W2211599813","https://openalex.org/W2588612101","https://openalex.org/W2742644795","https://openalex.org/W2745277731","https://openalex.org/W2896994737","https://openalex.org/W2963793010","https://openalex.org/W2981053050","https://openalex.org/W2991352356","https://openalex.org/W3045782906","https://openalex.org/W3090933449","https://openalex.org/W3091245628","https://openalex.org/W3124300419","https://openalex.org/W4210916258","https://openalex.org/W4225651280","https://openalex.org/W4285152642","https://openalex.org/W4294845593","https://openalex.org/W4323275433","https://openalex.org/W4328053056","https://openalex.org/W4378801688","https://openalex.org/W4380904071","https://openalex.org/W4385546029","https://openalex.org/W4394880215","https://openalex.org/W4401708403","https://openalex.org/W4405237301","https://openalex.org/W4413474507","https://openalex.org/W7133493465"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-13T06:13:01.061226","created_date":"2026-06-12T00:00:00"}
