{"id":"https://openalex.org/W4396218490","doi":"https://doi.org/10.1145/3641343.3641344","title":"Design and Implementation of a CSI-based System for Counting the Number of Vocational Undergraduate Students","display_name":"Design and Implementation of a CSI-based System for Counting the Number of Vocational Undergraduate Students","publication_year":2023,"publication_date":"2023-12-08","ids":{"openalex":"https://openalex.org/W4396218490","doi":"https://doi.org/10.1145/3641343.3641344"},"language":"en","primary_location":{"id":"doi:10.1145/3641343.3641344","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3641343.3641344","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The 3rd International Conference on Electronic Information Technology and Smart Agriculture","raw_type":"proceedings-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/A5043493590","display_name":"Wei Han","orcid":"https://orcid.org/0009-0004-7355-305X"},"institutions":[{"id":"https://openalex.org/I4210152042","display_name":"Beijing Polytechnic","ror":"https://ror.org/03xgzn792","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210152042"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Han","raw_affiliation_strings":["School of Integrated Circuits (Artificial Intelligence), Beijing Polytechnic, China"],"affiliations":[{"raw_affiliation_string":"School of Integrated Circuits (Artificial Intelligence), Beijing Polytechnic, China","institution_ids":["https://openalex.org/I4210152042"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068391947","display_name":"Yunli Zhu","orcid":"https://orcid.org/0009-0001-1772-8626"},"institutions":[{"id":"https://openalex.org/I4210152042","display_name":"Beijing Polytechnic","ror":"https://ror.org/03xgzn792","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210152042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunli Zhu","raw_affiliation_strings":["School of Integrated Circuits (Artificial Intelligence), Beijing Polytechnic, China"],"affiliations":[{"raw_affiliation_string":"School of Integrated Circuits (Artificial Intelligence), Beijing Polytechnic, China","institution_ids":["https://openalex.org/I4210152042"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5043493590"],"corresponding_institution_ids":["https://openalex.org/I4210152042"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21511678,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998000264167786,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998000264167786,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9973999857902527,"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/T13121","display_name":"Radio Wave Propagation Studies","score":0.9952999949455261,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/adaptability","display_name":"Adaptability","score":0.7413416504859924},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.6499501466751099},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6483078002929688},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.6206254363059998},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.47736501693725586},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.45273086428642273},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.43280351161956787},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4114549160003662},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3318539261817932},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2620530426502228},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07654428482055664},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07299685478210449}],"concepts":[{"id":"https://openalex.org/C177606310","wikidata":"https://www.wikidata.org/wiki/Q5674297","display_name":"Adaptability","level":2,"score":0.7413416504859924},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.6499501466751099},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6483078002929688},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.6206254363059998},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.47736501693725586},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.45273086428642273},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.43280351161956787},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4114549160003662},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3318539261817932},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2620530426502228},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07654428482055664},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07299685478210449},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3641343.3641344","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3641343.3641344","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The 3rd International Conference on Electronic Information Technology and Smart Agriculture","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2054642006","https://openalex.org/W2100240506","https://openalex.org/W2606281810","https://openalex.org/W2789860971","https://openalex.org/W2917005499","https://openalex.org/W2944172587","https://openalex.org/W2966927162","https://openalex.org/W2980021985","https://openalex.org/W3046131152","https://openalex.org/W3176197789","https://openalex.org/W3196221233","https://openalex.org/W4206314278"],"related_works":["https://openalex.org/W2357124094","https://openalex.org/W2387399993","https://openalex.org/W2389739210","https://openalex.org/W2348924972","https://openalex.org/W2365736347","https://openalex.org/W2047454415","https://openalex.org/W2070040999","https://openalex.org/W2055945594","https://openalex.org/W3003855539","https://openalex.org/W2088275829"],"abstract_inverted_index":{"The":[0],"existing":[1,12,122],"CSI":[2,38,76,97,126],"based":[3,47,74,95,124],"population":[4,66,71,84],"statistics":[5],"method":[6,73,94,123],"can":[7],"be":[8],"used":[9],"in":[10],"the":[11,18,30,35,41,49,56,59,81,89,92,103,106,121,128],"commercial":[13],"Wi-Fi":[14],"equipment,":[15],"which":[16,79],"has":[17],"advantages":[19],"of":[20,29,37,44,58,61,83,91],"low":[21],"cost,":[22],"non-contact":[23],"and":[24,39,63,68,102],"strong":[25],"adaptability.":[26],"However,":[27],"most":[28],"above":[31,50],"methods":[32],"only":[33],"use":[34],"amplitude":[36,62],"abandon":[40],"phase":[42,64],"information":[43],"CSI.":[45],"Therefore,":[46],"on":[48,75,96,125],"research":[51],"methods,":[52],"this":[53],"paper":[54],"studies":[55],"application":[57],"combination":[60],"to":[65,115],"statistics,":[67],"gives":[69],"a":[70],"estimation":[72],"complex":[77,98],"domain,":[78],"improves":[80],"accuracy":[82,90,129],"estimation.":[85],"Experiments":[86],"show":[87],"that":[88,105],"proposed":[93],"field":[99],"is":[100,110,117,130],"94.7%,":[101],"probability":[104],"estimated":[107],"number":[108],"error":[109],"less":[111],"than":[112],"or":[113],"equal":[114],"1":[116],"100%.":[118],"Compared":[119],"with":[120],"amplitude,":[127],"improved":[131],"by":[132],"5.4%.":[133]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}