{"id":"https://openalex.org/W2913677733","doi":"https://doi.org/10.3390/s19030446","title":"A Fetal ECG Monitoring System Based on the Android Smartphone","display_name":"A Fetal ECG Monitoring System Based on the Android Smartphone","publication_year":2019,"publication_date":"2019-01-22","ids":{"openalex":"https://openalex.org/W2913677733","doi":"https://doi.org/10.3390/s19030446","mag":"2913677733","pmid":"https://pubmed.ncbi.nlm.nih.gov/30678252"},"language":"en","primary_location":{"id":"doi:10.3390/s19030446","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19030446","pdf_url":"https://www.mdpi.com/1424-8220/19/3/446/pdf?version=1548645830","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/19/3/446/pdf?version=1548645830","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100618722","display_name":"Li Yuan","orcid":"https://orcid.org/0000-0002-7408-197X"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Yuan","raw_affiliation_strings":["College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012705056","display_name":"Yanchao Yuan","orcid":null},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanchao Yuan","raw_affiliation_strings":["College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026085823","display_name":"Zhuhuang Zhou","orcid":"https://orcid.org/0000-0003-0570-8473"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhuhuang Zhou","raw_affiliation_strings":["College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China"],"raw_orcid":"https://orcid.org/0000-0003-0570-8473","affiliations":[{"raw_affiliation_string":"College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090169994","display_name":"Yanping Bai","orcid":"https://orcid.org/0000-0002-2043-8363"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanping Bai","raw_affiliation_strings":["College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China","institution_ids":["https://openalex.org/I37796252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063947852","display_name":"Shuicai Wu","orcid":"https://orcid.org/0000-0002-8027-9499"},"institutions":[{"id":"https://openalex.org/I37796252","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87","country_code":"CN","type":"education","lineage":["https://openalex.org/I37796252"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuicai Wu","raw_affiliation_strings":["College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, China","institution_ids":["https://openalex.org/I37796252"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5063947852"],"corresponding_institution_ids":["https://openalex.org/I37796252"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2673},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2673},"fwci":4.1794,"has_fulltext":true,"cited_by_count":51,"citation_normalized_percentile":{"value":0.94890511,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"19","issue":"3","first_page":"446","last_page":"446"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11021","display_name":"ECG Monitoring and Analysis","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/android","display_name":"Android (operating system)","score":0.7410306930541992},{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.5438739061355591},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.513861894607544},{"id":"https://openalex.org/keywords/fetal-monitoring","display_name":"Fetal monitoring","score":0.4793058931827545},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.4620250165462494},{"id":"https://openalex.org/keywords/sample-entropy","display_name":"Sample entropy","score":0.44824230670928955},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.42907050251960754},{"id":"https://openalex.org/keywords/android-application","display_name":"Android application","score":0.41545459628105164},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.391627699136734},{"id":"https://openalex.org/keywords/fetus","display_name":"Fetus","score":0.30733346939086914},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.2912256717681885},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.09831109642982483},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.06826868653297424}],"concepts":[{"id":"https://openalex.org/C557433098","wikidata":"https://www.wikidata.org/wiki/Q94","display_name":"Android (operating system)","level":2,"score":0.7410306930541992},{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.5438739061355591},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.513861894607544},{"id":"https://openalex.org/C2985721546","wikidata":"https://www.wikidata.org/wiki/Q5445905","display_name":"Fetal monitoring","level":4,"score":0.4793058931827545},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.4620250165462494},{"id":"https://openalex.org/C66696666","wikidata":"https://www.wikidata.org/wiki/Q17105612","display_name":"Sample entropy","level":3,"score":0.44824230670928955},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.42907050251960754},{"id":"https://openalex.org/C3017891749","wikidata":"https://www.wikidata.org/wiki/Q94","display_name":"Android application","level":3,"score":0.41545459628105164},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.391627699136734},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.30733346939086914},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.2912256717681885},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.09831109642982483},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.06826868653297424},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000068997","descriptor_name":"Smartphone","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000076251","descriptor_name":"Wearable Electronic Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004562","descriptor_name":"Electrocardiography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005323","descriptor_name":"Fetal Monitoring","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D005323","descriptor_name":"Fetal Monitoring","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D005323","descriptor_name":"Fetal Monitoring","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D005323","descriptor_name":"Fetal Monitoring","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D005323","descriptor_name":"Fetal Monitoring","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D005323","descriptor_name":"Fetal Monitoring","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012984","descriptor_name":"Software","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012984","descriptor_name":"Software","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012984","descriptor_name":"Software","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D059015","descriptor_name":"Wireless Technology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":6,"locations":[{"id":"doi:10.3390/s19030446","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19030446","pdf_url":"https://www.mdpi.com/1424-8220/19/3/446/pdf?version=1548645830","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},{"id":"pmid:30678252","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30678252","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:bf70ff6618c74efdae7f017f26687986","is_oa":true,"landing_page_url":"https://doaj.org/article/bf70ff6618c74efdae7f017f26687986","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 19, Iss 3, p 446 (2019)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5384920","is_oa":true,"landing_page_url":"http://europepmc.org/pmc/articles/PMC6386851","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/19/3/446/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s19030446","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:6386851","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6386851","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s19030446","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19030446","pdf_url":"https://www.mdpi.com/1424-8220/19/3/446/pdf?version=1548645830","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.5199999809265137}],"awards":[{"id":"https://openalex.org/G2398288218","display_name":"\u57fa\u4e8e\u6563\u5c04\u5b50\u591a\u53c2\u6570\u8d85\u58f0\u6210\u50cf\u7684\u809d\u80bf\u7624\u5fae\u6ce2\u6d88\u878d\u6cbb\u7597\u5b9e\u65f6\u76d1\u6d4b\u65b0\u65b9\u6cd5\u53ca\u7cfb\u7edf\u7814\u7a76","funder_award_id":"61871005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4558136995","display_name":null,"funder_award_id":"71661167001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4866868522","display_name":null,"funder_award_id":"71661167001","funder_id":"https://openalex.org/F4320321913","funder_display_name":"Beijing University of Technology"},{"id":"https://openalex.org/G4943466107","display_name":null,"funder_award_id":"4184081","funder_id":"https://openalex.org/F4320322919","funder_display_name":"Natural Science Foundation of Beijing Municipality"},{"id":"https://openalex.org/G5404009692","display_name":null,"funder_award_id":"61801312","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5518455988","display_name":null,"funder_award_id":"11804013","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6908924839","display_name":null,"funder_award_id":"4184081","funder_id":"https://openalex.org/F4320321913","funder_display_name":"Beijing University of Technology"},{"id":"https://openalex.org/G7023513390","display_name":null,"funder_award_id":"61801312","funder_id":"https://openalex.org/F4320321913","funder_display_name":"Beijing University of Technology"},{"id":"https://openalex.org/G7362797628","display_name":null,"funder_award_id":"4184081","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"},{"id":"https://openalex.org/F4320321913","display_name":"Beijing University of Technology","ror":"https://ror.org/037b1pp87"},{"id":"https://openalex.org/F4320322919","display_name":"Natural Science Foundation of Beijing Municipality","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2913677733.pdf","grobid_xml":"https://content.openalex.org/works/W2913677733.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1497088612","https://openalex.org/W1780987361","https://openalex.org/W1963857216","https://openalex.org/W1967024170","https://openalex.org/W1985417651","https://openalex.org/W1992397369","https://openalex.org/W2009520139","https://openalex.org/W2022327110","https://openalex.org/W2053568049","https://openalex.org/W2053908484","https://openalex.org/W2063989894","https://openalex.org/W2095922063","https://openalex.org/W2115763122","https://openalex.org/W2126165047","https://openalex.org/W2141224535","https://openalex.org/W2166423821","https://openalex.org/W2172572136","https://openalex.org/W2239711098","https://openalex.org/W2339576539","https://openalex.org/W2466299320","https://openalex.org/W2519663370","https://openalex.org/W2553992107","https://openalex.org/W2589516350","https://openalex.org/W2615076654","https://openalex.org/W2723425658","https://openalex.org/W2775127323","https://openalex.org/W2803807865","https://openalex.org/W2888051101","https://openalex.org/W2980154745","https://openalex.org/W6746858116","https://openalex.org/W6768751662"],"related_works":["https://openalex.org/W4220926637","https://openalex.org/W2362681120","https://openalex.org/W2376320007","https://openalex.org/W4376643979","https://openalex.org/W2322402661","https://openalex.org/W2389079374","https://openalex.org/W2372429262","https://openalex.org/W2903653170","https://openalex.org/W2722482855","https://openalex.org/W2351967314"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,18,39,108],"fetal":[4,21,78,88,96,110,123,129,141],"electrocardiogram":[5],"(ECG)":[6],"monitoring":[7,131,139],"system":[8,132],"based":[9,49],"on":[10,50],"the":[11,51,57,67,72,82,94,103,113,119,122],"Android":[12,52],"smartphone":[13,40],"was":[14,47,91],"proposed.":[15],"We":[16],"designed":[17],"portable":[19],"low-power":[20],"ECG":[22,28,34,79,85,97,124,130],"collector,":[23],"which":[24],"collected":[25],"maternal":[26,83],"abdominal":[27,84],"signals":[29,80],"in":[30],"real":[31],"time.":[32],"The":[33,54,87,127],"data":[35],"were":[36],"sent":[37],"to":[38],"client":[41],"via":[42],"Bluetooth.":[43],"Smartphone":[44],"app":[45,55],"software":[46],"developed":[48],"system.":[53],"integrated":[56],"fast":[58],"fixed-point":[59],"algorithm":[60,105],"for":[61,71,136],"independent":[62],"component":[63],"analysis":[64],"(FastICA)":[65],"and":[66,112],"sample":[68,114],"entropy":[69,115],"algorithm,":[70],"sake":[73],"of":[74,77,140],"real-time":[75,138],"extraction":[76],"from":[81],"signals.":[86,98],"heart":[89],"rate":[90],"computed":[92],"using":[93],"extracted":[95],"Experimental":[99],"results":[100],"showed":[101],"that":[102],"FastICA":[104],"can":[106,116],"extract":[107],"clear":[109],"ECG,":[111],"correctly":[117],"determine":[118],"channel":[120],"where":[121],"is":[125],"located.":[126],"proposed":[128],"may":[133],"be":[134],"feasible":[135],"non-invasive,":[137],"ECGs.":[142]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}