{"id":"https://openalex.org/W4378084990","doi":"https://doi.org/10.3390/s23104985","title":"Improved Optical Path Structure for Symmetric Demodulation Method in EFPI Fiber Optic Acoustic Sensors Using Wavelength Division Multiplexing","display_name":"Improved Optical Path Structure for Symmetric Demodulation Method in EFPI Fiber Optic Acoustic Sensors Using Wavelength Division Multiplexing","publication_year":2023,"publication_date":"2023-05-22","ids":{"openalex":"https://openalex.org/W4378084990","doi":"https://doi.org/10.3390/s23104985","pmid":"https://pubmed.ncbi.nlm.nih.gov/37430899"},"language":"en","primary_location":{"id":"doi:10.3390/s23104985","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23104985","pdf_url":"https://www.mdpi.com/1424-8220/23/10/4985/pdf?version=1684822362","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/1424-8220/23/10/4985/pdf?version=1684822362","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Hao Chen","orcid":"https://orcid.org/0009-0006-2764-8044"},"institutions":[{"id":"https://openalex.org/I74525822","display_name":"Hubei University of Technology","ror":"https://ror.org/02d3fj342","country_code":"CN","type":"education","lineage":["https://openalex.org/I74525822"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Chen","raw_affiliation_strings":["Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","School of Science, Hubei University of Technology, Wuhan 430068, China"],"raw_orcid":"https://orcid.org/0009-0006-2764-8044","affiliations":[{"raw_affiliation_string":"Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]},{"raw_affiliation_string":"School of Science, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103023499","display_name":"Chenggang Guan","orcid":null},"institutions":[{"id":"https://openalex.org/I74525822","display_name":"Hubei University of Technology","ror":"https://ror.org/02d3fj342","country_code":"CN","type":"education","lineage":["https://openalex.org/I74525822"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chenggang Guan","raw_affiliation_strings":["Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","School of Science, Hubei University of Technology, Wuhan 430068, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]},{"raw_affiliation_string":"School of Science, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101540376","display_name":"Hui Lv","orcid":"https://orcid.org/0000-0001-9208-6582"},"institutions":[{"id":"https://openalex.org/I74525822","display_name":"Hubei University of Technology","ror":"https://ror.org/02d3fj342","country_code":"CN","type":"education","lineage":["https://openalex.org/I74525822"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hui Lv","raw_affiliation_strings":["Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","School of Science, Hubei University of Technology, Wuhan 430068, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]},{"raw_affiliation_string":"School of Science, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048783143","display_name":"Can Guo","orcid":"https://orcid.org/0009-0009-6305-2434"},"institutions":[{"id":"https://openalex.org/I74525822","display_name":"Hubei University of Technology","ror":"https://ror.org/02d3fj342","country_code":"CN","type":"education","lineage":["https://openalex.org/I74525822"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Can Guo","raw_affiliation_strings":["Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","School of Science, Hubei University of Technology, Wuhan 430068, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]},{"raw_affiliation_string":"School of Science, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056140035","display_name":"Shiyi Chai","orcid":null},"institutions":[{"id":"https://openalex.org/I74525822","display_name":"Hubei University of Technology","ror":"https://ror.org/02d3fj342","country_code":"CN","type":"education","lineage":["https://openalex.org/I74525822"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shiyi Chai","raw_affiliation_strings":["Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","School of Science, Hubei University of Technology, Wuhan 430068, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hubei Engineering Technology Research Center of Energy Photoelectric Device and System, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]},{"raw_affiliation_string":"School of Science, Hubei University of Technology, Wuhan 430068, China","institution_ids":["https://openalex.org/I74525822"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101540376","https://openalex.org/A5103023499"],"corresponding_institution_ids":["https://openalex.org/I74525822"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.022,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.75630973,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"23","issue":"10","first_page":"4985","last_page":"4985"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10205","display_name":"Advanced Fiber Optic Sensors","score":0.9998999834060669,"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/T10205","display_name":"Advanced Fiber Optic Sensors","score":0.9998999834060669,"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/T11160","display_name":"Acoustic Wave Resonator Technologies","score":0.9882000088691711,"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/T13885","display_name":"Geophysics and Sensor Technology","score":0.9858999848365784,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/demodulation","display_name":"Demodulation","score":0.7789101600646973},{"id":"https://openalex.org/keywords/division","display_name":"Division (mathematics)","score":0.6421092748641968},{"id":"https://openalex.org/keywords/wavelength-division-multiplexing","display_name":"Wavelength-division multiplexing","score":0.6209402084350586},{"id":"https://openalex.org/keywords/wavelength","display_name":"Wavelength","score":0.6143813133239746},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.6104210615158081},{"id":"https://openalex.org/keywords/optical-fiber","display_name":"Optical fiber","score":0.6048740148544312},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5573985576629639},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.5306947231292725},{"id":"https://openalex.org/keywords/frequency-division-multiplexing","display_name":"Frequency-division multiplexing","score":0.4983389377593994},{"id":"https://openalex.org/keywords/optical-path","display_name":"Optical path","score":0.483360230922699},{"id":"https://openalex.org/keywords/fiber-optic-sensor","display_name":"Fiber optic sensor","score":0.45530053973197937},{"id":"https://openalex.org/keywords/optical-communication","display_name":"Optical communication","score":0.43127375841140747},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.38256508111953735},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37821730971336365},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.36204689741134644},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.35319310426712036},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3435494899749756},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.32708871364593506},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2711171507835388},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.15984418988227844},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08700820803642273},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.07349026203155518}],"concepts":[{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.7789101600646973},{"id":"https://openalex.org/C60798267","wikidata":"https://www.wikidata.org/wiki/Q1226939","display_name":"Division (mathematics)","level":2,"score":0.6421092748641968},{"id":"https://openalex.org/C160724564","wikidata":"https://www.wikidata.org/wiki/Q1620670","display_name":"Wavelength-division multiplexing","level":3,"score":0.6209402084350586},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.6143813133239746},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.6104210615158081},{"id":"https://openalex.org/C194232370","wikidata":"https://www.wikidata.org/wiki/Q162","display_name":"Optical fiber","level":2,"score":0.6048740148544312},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5573985576629639},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.5306947231292725},{"id":"https://openalex.org/C89061704","wikidata":"https://www.wikidata.org/wiki/Q5555726","display_name":"Frequency-division multiplexing","level":4,"score":0.4983389377593994},{"id":"https://openalex.org/C31872934","wikidata":"https://www.wikidata.org/wiki/Q1417028","display_name":"Optical path","level":2,"score":0.483360230922699},{"id":"https://openalex.org/C21651689","wikidata":"https://www.wikidata.org/wiki/Q1397427","display_name":"Fiber optic sensor","level":3,"score":0.45530053973197937},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.43127375841140747},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.38256508111953735},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37821730971336365},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.36204689741134644},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.35319310426712036},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3435494899749756},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.32708871364593506},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2711171507835388},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.15984418988227844},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08700820803642273},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.07349026203155518},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s23104985","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23104985","pdf_url":"https://www.mdpi.com/1424-8220/23/10/4985/pdf?version=1684822362","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:37430899","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/37430899","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:pubmedcentral.nih.gov:10221302","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/10221302","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10221302/pdf/sensors-23-04985.pdf","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"},{"id":"pmh:oai:doaj.org/article:8abb600f26e9499486ea0a228f668bf8","is_oa":true,"landing_page_url":"https://doaj.org/article/8abb600f26e9499486ea0a228f668bf8","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 23, Iss 10, p 4985 (2023)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/23/10/4985/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s23104985","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; Volume 23; Issue 10; Pages: 4985","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s23104985","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23104985","pdf_url":"https://www.mdpi.com/1424-8220/23/10/4985/pdf?version=1684822362","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":[{"score":0.6100000143051147,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G4231284117","display_name":null,"funder_award_id":"No. T201907","funder_id":"https://openalex.org/F4320330031","funder_display_name":"Science and Technology Department of Hubei Province"},{"id":"https://openalex.org/G8028354947","display_name":null,"funder_award_id":"No. 2021EHB018","funder_id":"https://openalex.org/F4320330031","funder_display_name":"Science and Technology Department of Hubei Province"}],"funders":[{"id":"https://openalex.org/F4320330031","display_name":"Science and Technology Department of Hubei Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4378084990.pdf"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1830083645","https://openalex.org/W1999159965","https://openalex.org/W2000434264","https://openalex.org/W2047586281","https://openalex.org/W2093573458","https://openalex.org/W2097932275","https://openalex.org/W2109208320","https://openalex.org/W2296914276","https://openalex.org/W2360680719","https://openalex.org/W2516691585","https://openalex.org/W2762055467","https://openalex.org/W2766719589","https://openalex.org/W2911465154","https://openalex.org/W2959391500","https://openalex.org/W2959690112","https://openalex.org/W3002818502","https://openalex.org/W4306398726","https://openalex.org/W4328119940","https://openalex.org/W4361276482","https://openalex.org/W6667846523"],"related_works":["https://openalex.org/W1996543123","https://openalex.org/W4388516297","https://openalex.org/W2010761432","https://openalex.org/W4389302182","https://openalex.org/W4229074657","https://openalex.org/W2089955640","https://openalex.org/W1978322239","https://openalex.org/W851224104","https://openalex.org/W2092925842","https://openalex.org/W1963869402"],"abstract_inverted_index":{"This":[0,61],"paper":[1],"presents":[2],"a":[3,12,46,67,105,114,122,150,158],"novel":[4],"improvement":[5,62],"in":[6,38,186],"the":[7,35,39,51,64,78,83,93,99,130,136,170,180],"optical":[8,101,139,172,183],"path":[9,102,140,173,184],"structure":[10,103,141,174,185],"of":[11,30,66,82,109,116,126,145,152,162,188],"three-wavelength":[13],"symmetric":[14,40,52,84,94,131],"demodulation":[15,41,53,85,95,132],"method":[16,42],"applied":[17],"to":[18,33],"extrinsic":[19],"Fabry-Perot":[20],"interferometer":[21],"(EFPI)":[22],"fiber":[23],"optic":[24],"acoustic":[25],"sensors.":[26],"The":[27,164],"traditional":[28,137,181],"approach":[29,48],"using":[31],"couplers":[32],"construct":[34],"phase":[36,73],"difference":[37],"is":[43],"replaced":[44],"with":[45,55,98,135],"new":[47],"that":[49,169],"combines":[50],"algorithm":[54,96,133],"wavelength":[56],"division":[57],"multiplexing":[58],"(WDM)":[59],"technology.":[60],"addresses":[63],"issue":[65],"suboptimal":[68],"coupler":[69],"split":[70],"ratio":[71,107],"and":[72,80,121,157,191],"difference,":[74],"which":[75],"can":[76],"affect":[77],"accuracy":[79],"performance":[81],"method.":[86],"In":[87,128],"an":[88,143],"anechoic":[89],"chamber":[90],"test":[91,165],"environment,":[92],"implemented":[97,134],"WDM":[100,177],"achieved":[104,142],"signal-to-noise":[106],"(SNR)":[108],"75.5":[110],"dB":[111,147],"(1":[112,119,148,155],"kHz),":[113,120,149,156],"sensitivity":[115,151],"1104.9":[117],"mV/Pa":[118,154],"linear":[123,159],"fitting":[124,160],"coefficient":[125,161],"0.9946.":[127],"contrast,":[129],"coupler-based":[138,182],"SNR":[144],"65.1":[146],"891.75":[153],"0.9905.":[163],"results":[166],"clearly":[167],"indicate":[168],"improved":[171],"based":[175],"on":[176],"technology":[178],"outperforms":[179],"terms":[187],"sensitivity,":[189],"SNR,":[190],"linearity.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2}],"updated_date":"2026-01-20T23:28:44.954186","created_date":"2025-10-10T00:00:00"}
