{"id":"https://openalex.org/W3127828125","doi":"https://doi.org/10.1109/access.2021.3056110","title":"A Novel Method of On-Line Coal-Rock Interface Characterization Using THz-TDs","display_name":"A Novel Method of On-Line Coal-Rock Interface Characterization Using THz-TDs","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3127828125","doi":"https://doi.org/10.1109/access.2021.3056110","mag":"3127828125"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3056110","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3056110","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09343874.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09343874.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5107725165","display_name":"Jing Hai Yu","orcid":"https://orcid.org/0000-0003-3699-4783"},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jing Yu","raw_affiliation_strings":["IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China","School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-3699-4783","affiliations":[{"raw_affiliation_string":"IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou, China","institution_ids":["https://openalex.org/I25757504"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108047067","display_name":"Xin Wang","orcid":"https://orcid.org/0000-0003-2001-8139"},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]},{"id":"https://openalex.org/I4210105569","display_name":"Jiangsu Vocational Institute of Architectural Technology","ror":"https://ror.org/01d4y8v03","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210105569"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Wang","raw_affiliation_strings":["IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China","Jiangsu Vocational Institute of Architectural Technology, Xuzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2001-8139","affiliations":[{"raw_affiliation_string":"IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China","institution_ids":["https://openalex.org/I25757504"]},{"raw_affiliation_string":"Jiangsu Vocational Institute of Architectural Technology, Xuzhou, China","institution_ids":["https://openalex.org/I4210105569"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049071749","display_name":"Enjie Ding","orcid":"https://orcid.org/0000-0002-1273-076X"},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Enjie Ding","raw_affiliation_strings":["IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-1273-076X","affiliations":[{"raw_affiliation_string":"IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China","institution_ids":["https://openalex.org/I25757504"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068848568","display_name":"Jiangbo Jing","orcid":null},"institutions":[{"id":"https://openalex.org/I25757504","display_name":"China University of Mining and Technology","ror":"https://ror.org/01xt2dr21","country_code":"CN","type":"education","lineage":["https://openalex.org/I25757504"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiangbo Jing","raw_affiliation_strings":["IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IoT Perception Mine Research Center, China University of Mining and Technology, Xuzhou, China","institution_ids":["https://openalex.org/I25757504"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5107725165"],"corresponding_institution_ids":["https://openalex.org/I25757504"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.2201,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.78213238,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":null,"first_page":"25898","last_page":"25910"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10752","display_name":"Terahertz technology and applications","score":0.9988999962806702,"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"}},"topics":[{"id":"https://openalex.org/T10752","display_name":"Terahertz technology and applications","score":0.9988999962806702,"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/T10666","display_name":"Photonic Crystals and Applications","score":0.9491999745368958,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coal","display_name":"Coal","score":0.5924091935157776},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5777959823608398},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.47738999128341675},{"id":"https://openalex.org/keywords/interface","display_name":"Interface (matter)","score":0.45001736283302307},{"id":"https://openalex.org/keywords/anthracite","display_name":"Anthracite","score":0.44820573925971985},{"id":"https://openalex.org/keywords/drum","display_name":"Drum","score":0.42797890305519104},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.42631810903549194},{"id":"https://openalex.org/keywords/porosity","display_name":"Porosity","score":0.41879767179489136},{"id":"https://openalex.org/keywords/mineralogy","display_name":"Mineralogy","score":0.38805466890335083},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.34843942523002625},{"id":"https://openalex.org/keywords/composite-material","display_name":"Composite material","score":0.24048355221748352},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.222086101770401},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14499744772911072},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10438096523284912},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.09185218811035156}],"concepts":[{"id":"https://openalex.org/C518851703","wikidata":"https://www.wikidata.org/wiki/Q24489","display_name":"Coal","level":2,"score":0.5924091935157776},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5777959823608398},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.47738999128341675},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.45001736283302307},{"id":"https://openalex.org/C47143284","wikidata":"https://www.wikidata.org/wiki/Q182458","display_name":"Anthracite","level":3,"score":0.44820573925971985},{"id":"https://openalex.org/C175845324","wikidata":"https://www.wikidata.org/wiki/Q2738285","display_name":"Drum","level":2,"score":0.42797890305519104},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.42631810903549194},{"id":"https://openalex.org/C6648577","wikidata":"https://www.wikidata.org/wiki/Q622669","display_name":"Porosity","level":2,"score":0.41879767179489136},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.38805466890335083},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.34843942523002625},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.24048355221748352},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.222086101770401},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14499744772911072},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10438096523284912},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.09185218811035156},{"id":"https://openalex.org/C28413391","wikidata":"https://www.wikidata.org/wiki/Q785542","display_name":"Capillary number","level":3,"score":0.0},{"id":"https://openalex.org/C196806460","wikidata":"https://www.wikidata.org/wiki/Q188603","display_name":"Capillary action","level":2,"score":0.0},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2021.3056110","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3056110","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09343874.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:ef62647385694c38869b1df94f08c1de","is_oa":true,"landing_page_url":"https://doaj.org/article/ef62647385694c38869b1df94f08c1de","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":"IEEE Access, Vol 9, Pp 25898-25910 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3056110","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3056110","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/9312710/09343874.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1641537003","display_name":null,"funder_award_id":"52074273","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":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3127828125.pdf","grobid_xml":"https://content.openalex.org/works/W3127828125.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W1535904940","https://openalex.org/W1979373126","https://openalex.org/W1981460191","https://openalex.org/W1985430737","https://openalex.org/W1987895426","https://openalex.org/W1988232877","https://openalex.org/W1997920385","https://openalex.org/W1998649884","https://openalex.org/W2069610939","https://openalex.org/W2074993972","https://openalex.org/W2080155491","https://openalex.org/W2186433522","https://openalex.org/W2374661856","https://openalex.org/W2475308184","https://openalex.org/W2525467517","https://openalex.org/W2557144775","https://openalex.org/W2587944844","https://openalex.org/W2594117488","https://openalex.org/W2737855739","https://openalex.org/W2741517202","https://openalex.org/W2788931586","https://openalex.org/W2789360497","https://openalex.org/W2799751568","https://openalex.org/W2895014629","https://openalex.org/W2942311472","https://openalex.org/W2960896737","https://openalex.org/W2970034613","https://openalex.org/W2973487528","https://openalex.org/W2978461235","https://openalex.org/W2991306453","https://openalex.org/W3023646064","https://openalex.org/W4244731131","https://openalex.org/W6741543560","https://openalex.org/W6748650858"],"related_works":["https://openalex.org/W2093119925","https://openalex.org/W4401092440","https://openalex.org/W2370698995","https://openalex.org/W2967828012","https://openalex.org/W2095053971","https://openalex.org/W4231328239","https://openalex.org/W2378379490","https://openalex.org/W2372483513","https://openalex.org/W2393146914","https://openalex.org/W2473969112"],"abstract_inverted_index":{"The":[0,25,114,206],"core":[1],"problem":[2],"in":[3,86,182,217,249],"unmanned/intelligent":[4],"working":[5],"face":[6],"of":[7,14,28,34,43,49,68,123,166,177,201,212,243],"coal":[8,35,51,202],"mining":[9],"is":[10,22,194],"the":[11,18,23,32,40,47,66,89,99,119,124,164,171,175,183,210,218,225,230,241,244],"automatic":[12],"adjustment":[13],"shearer":[15,29,44,178,213],"arm":[16],"where":[17],"coal-rock":[19,231],"interface":[20,53,232],"detection":[21],"key.":[24],"cutting":[26,41],"location":[27],"drum":[30,179,214,245],"affect":[31],"proportion":[33,200],"and":[36,75,97,118,141,153,203,240],"rock":[37,52,69,167,184,204,219],"powder":[38,140,168],"around":[39],"teeth":[42,180,215],"drum.":[45],"Therefore,":[46],"method":[48],"on-line":[50,235],"characterization":[54],"using":[55,147,238],"Terahertz":[56,71],"Time":[57],"Domain":[58],"spectroscopy":[59],"(THz-TDs)":[60],"we":[61,187],"proposed":[62],"aims":[63],"to":[64,82,162,173,196],"estimate":[65,174],"ratio":[67,165],"by":[70,94,110,129,146,170,224,237],"response.":[72],"Firstly,":[73],"anthracite":[74],"quartz":[76],"sandstone":[77],"were":[78,92,127],"uniformly":[79],"mixed":[80,138],"according":[81],"39":[83,125],"different":[84,199],"ratios":[85],"this":[87],"study,":[88],"samples'":[90],"responses":[91],"obtained":[93,100],"terahertz":[95],"system,":[96],"then":[98],"time":[101],"domain":[102,108],"data":[103,109],"was":[104,144],"converted":[105],"into":[106],"frequency":[107],"fast":[111],"Fourier":[112],"transform.":[113],"absorption":[115],"coefficient":[116],"spectrum":[117],"refractive":[120],"index":[121],"profile":[122],"samples":[126],"calculated":[128],"optical":[130],"parametric":[131],"model.":[132],"Secondly,":[133],"corresponding":[134],"quantitative":[135],"model":[136,172],"between":[137],"coal/rock":[139],"THz":[142],"signal":[143],"built":[145],"back":[148],"propagation":[149],"neural":[150],"network":[151],"(BPNN)":[152],"least":[154],"squares":[155],"support":[156],"vector":[157],"machine":[158],"(LSSVM).":[159],"We":[160],"expected":[161],"use":[163],"detected":[169],"depth":[176,211],"embedded":[181,216],"layer.":[185],"Finally,":[186],"found":[188],"that":[189,209],"both":[190],"two":[191],"mathematical":[192],"arithmetic":[193],"feasible":[195],"quantitatively":[197],"detect":[198],"mixtures.":[205],"results":[207],"show":[208],"layer":[220],"could":[221,233,246],"be":[222,234,247],"estimated":[223],"novel":[226],"method,":[227],"which":[228],"means":[229],"characterized":[236],"THz-TDs":[239],"height":[242],"adjusted":[248],"time.":[250]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-05-19T08:33:51.333923","created_date":"2025-10-10T00:00:00"}
