{"id":"https://openalex.org/W3105048860","doi":"https://doi.org/10.3390/s20226431","title":"The Sensitivity Improvement Characterization of Distributed Strain Sensors Due to Weak Fiber Bragg Gratings","display_name":"The Sensitivity Improvement Characterization of Distributed Strain Sensors Due to Weak Fiber Bragg Gratings","publication_year":2020,"publication_date":"2020-11-11","ids":{"openalex":"https://openalex.org/W3105048860","doi":"https://doi.org/10.3390/s20226431","mag":"3105048860","pmid":"https://pubmed.ncbi.nlm.nih.gov/33187136"},"language":"en","primary_location":{"id":"doi:10.3390/s20226431","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20226431","pdf_url":"https://www.mdpi.com/1424-8220/20/22/6431/pdf?version=1605185272","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/1424-8220/20/22/6431/pdf?version=1605185272","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080781738","display_name":"Konstantin V. Stepanov","orcid":"https://orcid.org/0000-0002-4805-197X"},"institutions":[{"id":"https://openalex.org/I177537411","display_name":"Bauman Moscow State Technical University","ror":"https://ror.org/00pb8h375","country_code":"RU","type":"education","lineage":["https://openalex.org/I177537411"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"Konstantin V. Stepanov","raw_affiliation_strings":["Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia","institution_ids":["https://openalex.org/I177537411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035520232","display_name":"A. A. Zhirnov","orcid":"https://orcid.org/0000-0001-6772-1572"},"institutions":[{"id":"https://openalex.org/I177537411","display_name":"Bauman Moscow State Technical University","ror":"https://ror.org/00pb8h375","country_code":"RU","type":"education","lineage":["https://openalex.org/I177537411"]},{"id":"https://openalex.org/I4210152187","display_name":"Institute of Radio-Engineering and Electronics","ror":"https://ror.org/05gbyky62","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210096333","https://openalex.org/I4210152187"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Andrey A. Zhirnov","raw_affiliation_strings":["Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia","Kotelnikov Institute of Radioengineering and Electronics of RAS, Mokhovaya 11-7, 125009 Moscow, Russia"],"raw_orcid":"https://orcid.org/0000-0001-6772-1572","affiliations":[{"raw_affiliation_string":"Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia","institution_ids":["https://openalex.org/I177537411"]},{"raw_affiliation_string":"Kotelnikov Institute of Radioengineering and Electronics of RAS, Mokhovaya 11-7, 125009 Moscow, Russia","institution_ids":["https://openalex.org/I4210152187"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065097670","display_name":"Anton O. Chernutsky","orcid":"https://orcid.org/0000-0003-0302-5687"},"institutions":[{"id":"https://openalex.org/I177537411","display_name":"Bauman Moscow State Technical University","ror":"https://ror.org/00pb8h375","country_code":"RU","type":"education","lineage":["https://openalex.org/I177537411"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Anton O. Chernutsky","raw_affiliation_strings":["Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia"],"raw_orcid":"https://orcid.org/0000-0003-0302-5687","affiliations":[{"raw_affiliation_string":"Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia","institution_ids":["https://openalex.org/I177537411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109622983","display_name":"Kirill I. Koshelev","orcid":null},"institutions":[{"id":"https://openalex.org/I177537411","display_name":"Bauman Moscow State Technical University","ror":"https://ror.org/00pb8h375","country_code":"RU","type":"education","lineage":["https://openalex.org/I177537411"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Kirill I. Koshelev","raw_affiliation_strings":["Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia","institution_ids":["https://openalex.org/I177537411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045445187","display_name":"Alexey B. Pnev","orcid":"https://orcid.org/0000-0002-7790-2796"},"institutions":[{"id":"https://openalex.org/I177537411","display_name":"Bauman Moscow State Technical University","ror":"https://ror.org/00pb8h375","country_code":"RU","type":"education","lineage":["https://openalex.org/I177537411"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Alexey B. Pnev","raw_affiliation_strings":["Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bauman Moscow State Technical University, 2-nd Baumanskaya 5-1, 105005 Moscow, Russia","institution_ids":["https://openalex.org/I177537411"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027307875","display_name":"A.I. Lopunov","orcid":null},"institutions":[{"id":"https://openalex.org/I4210152187","display_name":"Institute of Radio-Engineering and Electronics","ror":"https://ror.org/05gbyky62","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210096333","https://openalex.org/I4210152187"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Alexey I. Lopunov","raw_affiliation_strings":["Kotelnikov Institute of Radioengineering and Electronics of RAS, Mokhovaya 11-7, 125009 Moscow, Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kotelnikov Institute of Radioengineering and Electronics of RAS, Mokhovaya 11-7, 125009 Moscow, Russia","institution_ids":["https://openalex.org/I4210152187"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004360108","display_name":"Oleg V. Butov","orcid":"https://orcid.org/0000-0002-5464-4034"},"institutions":[{"id":"https://openalex.org/I4210152187","display_name":"Institute of Radio-Engineering and Electronics","ror":"https://ror.org/05gbyky62","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210096333","https://openalex.org/I4210152187"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Oleg V. Butov","raw_affiliation_strings":["Kotelnikov Institute of Radioengineering and Electronics of RAS, Mokhovaya 11-7, 125009 Moscow, Russia"],"raw_orcid":"https://orcid.org/0000-0002-5464-4034","affiliations":[{"raw_affiliation_string":"Kotelnikov Institute of Radioengineering and Electronics of RAS, Mokhovaya 11-7, 125009 Moscow, Russia","institution_ids":["https://openalex.org/I4210152187"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5080781738"],"corresponding_institution_ids":["https://openalex.org/I177537411"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":2.1848,"has_fulltext":true,"cited_by_count":27,"citation_normalized_percentile":{"value":0.88218364,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"20","issue":"22","first_page":"6431","last_page":"6431"},"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9915000200271606,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9871000051498413,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fiber-bragg-grating","display_name":"Fiber Bragg grating","score":0.788489043712616},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.59527587890625},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.592064380645752},{"id":"https://openalex.org/keywords/characterization","display_name":"Characterization (materials science)","score":0.5836652517318726},{"id":"https://openalex.org/keywords/strain","display_name":"Strain (injury)","score":0.5506691932678223},{"id":"https://openalex.org/keywords/phosfos","display_name":"PHOSFOS","score":0.5290241241455078},{"id":"https://openalex.org/keywords/fiber","display_name":"Fiber","score":0.4541685879230499},{"id":"https://openalex.org/keywords/optical-fiber","display_name":"Optical fiber","score":0.43780800700187683},{"id":"https://openalex.org/keywords/fiber-optic-sensor","display_name":"Fiber optic sensor","score":0.4284769892692566},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.37839066982269287},{"id":"https://openalex.org/keywords/composite-material","display_name":"Composite material","score":0.35832542181015015},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.325019896030426},{"id":"https://openalex.org/keywords/plastic-optical-fiber","display_name":"Plastic optical fiber","score":0.2855952978134155},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.2548339366912842},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.19549313187599182},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18407410383224487},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1252015233039856},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.09240856766700745}],"concepts":[{"id":"https://openalex.org/C43091971","wikidata":"https://www.wikidata.org/wiki/Q1397391","display_name":"Fiber Bragg grating","level":3,"score":0.788489043712616},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.59527587890625},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.592064380645752},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.5836652517318726},{"id":"https://openalex.org/C2778022156","wikidata":"https://www.wikidata.org/wiki/Q576145","display_name":"Strain (injury)","level":2,"score":0.5506691932678223},{"id":"https://openalex.org/C78634431","wikidata":"https://www.wikidata.org/wiki/Q7119254","display_name":"PHOSFOS","level":5,"score":0.5290241241455078},{"id":"https://openalex.org/C519885992","wikidata":"https://www.wikidata.org/wiki/Q161","display_name":"Fiber","level":2,"score":0.4541685879230499},{"id":"https://openalex.org/C194232370","wikidata":"https://www.wikidata.org/wiki/Q162","display_name":"Optical fiber","level":2,"score":0.43780800700187683},{"id":"https://openalex.org/C21651689","wikidata":"https://www.wikidata.org/wiki/Q1397427","display_name":"Fiber optic sensor","level":3,"score":0.4284769892692566},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.37839066982269287},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.35832542181015015},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.325019896030426},{"id":"https://openalex.org/C203637571","wikidata":"https://www.wikidata.org/wiki/Q812875","display_name":"Plastic optical fiber","level":4,"score":0.2855952978134155},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.2548339366912842},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.19549313187599182},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18407410383224487},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1252015233039856},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.09240856766700745},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.0},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s20226431","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20226431","pdf_url":"https://www.mdpi.com/1424-8220/20/22/6431/pdf?version=1605185272","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:33187136","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33187136","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:mdpi.com:/1424-8220/20/22/6431/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s20226431","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 20; Issue 22; Pages: 6431","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7698298","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7698298","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/s20226431","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s20226431","pdf_url":"https://www.mdpi.com/1424-8220/20/22/6431/pdf?version=1605185272","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/7","score":0.7900000214576721,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G5305073185","display_name":null,"funder_award_id":"19-32-90185","funder_id":"https://openalex.org/F4320321079","funder_display_name":"Russian Foundation for Basic Research"}],"funders":[{"id":"https://openalex.org/F4320321079","display_name":"Russian Foundation for Basic Research","ror":"https://ror.org/02mh1ke95"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3105048860.pdf","grobid_xml":"https://content.openalex.org/works/W3105048860.grobid-xml"},"referenced_works_count":60,"referenced_works":["https://openalex.org/W1200411865","https://openalex.org/W1491384143","https://openalex.org/W1599594741","https://openalex.org/W1663685266","https://openalex.org/W1846254199","https://openalex.org/W1892892396","https://openalex.org/W1932652995","https://openalex.org/W1968467120","https://openalex.org/W1984310971","https://openalex.org/W1986120968","https://openalex.org/W1999325657","https://openalex.org/W2003731484","https://openalex.org/W2006700257","https://openalex.org/W2012138453","https://openalex.org/W2028588444","https://openalex.org/W2036602632","https://openalex.org/W2039758822","https://openalex.org/W2058003462","https://openalex.org/W2058472895","https://openalex.org/W2078105685","https://openalex.org/W2087174294","https://openalex.org/W2093314884","https://openalex.org/W2097988347","https://openalex.org/W2126321128","https://openalex.org/W2131389030","https://openalex.org/W2133544230","https://openalex.org/W2146552068","https://openalex.org/W2232017622","https://openalex.org/W2238034695","https://openalex.org/W2347057484","https://openalex.org/W2412512993","https://openalex.org/W2462522610","https://openalex.org/W2587817050","https://openalex.org/W2609552338","https://openalex.org/W2609572257","https://openalex.org/W2757368722","https://openalex.org/W2772587047","https://openalex.org/W2779640060","https://openalex.org/W2783235229","https://openalex.org/W2790573752","https://openalex.org/W2791777564","https://openalex.org/W2809307328","https://openalex.org/W2809442059","https://openalex.org/W2905607274","https://openalex.org/W2917534170","https://openalex.org/W2944544017","https://openalex.org/W2966209250","https://openalex.org/W2967779158","https://openalex.org/W2972364906","https://openalex.org/W2974674392","https://openalex.org/W2990321630","https://openalex.org/W2991565888","https://openalex.org/W3000509843","https://openalex.org/W3036393052","https://openalex.org/W3092063128","https://openalex.org/W3100253262","https://openalex.org/W6646823113","https://openalex.org/W6678620876","https://openalex.org/W6737131473","https://openalex.org/W7008111427"],"related_works":["https://openalex.org/W2045037654","https://openalex.org/W2377366345","https://openalex.org/W2157296347","https://openalex.org/W2054819528","https://openalex.org/W3205454610","https://openalex.org/W2096440838","https://openalex.org/W2365148668","https://openalex.org/W3207640841","https://openalex.org/W1482916081","https://openalex.org/W2065887225"],"abstract_inverted_index":{"Weak":[0],"fiber":[1,124,134],"Bragg":[2],"gratings":[3],"(WFBGs)":[4],"in":[5,39,57,86],"a":[6,44,49],"phase-sensitive":[7],"optical":[8,63],"time-domain":[9],"reflectometer":[10],"(phi-OTDR)":[11],"sensor":[12],"offer":[13],"opportunities":[14],"to":[15,125],"significantly":[16],"improve":[17],"the":[18,25,30,33,40,55,61,68,87,104,109],"signal-to-noise":[19],"ratio":[20],"(SNR)":[21],"and":[22,35,48,64,98],"sensitivity":[23],"of":[24,32,95,123,133],"device.":[26],"Here,":[27],"we":[28],"demonstrate":[29],"process":[31],"signal":[34],"noise":[36],"components'":[37],"formation":[38],"device":[41],"reflectograms":[42],"for":[43,72],"Rayleigh":[45],"scattering":[46],"phi-OTDR":[47],"WFBG-based":[50],"OTDR.":[51],"We":[52],"theoretically":[53],"calculated":[54],"increase":[56],"SNR":[58,88,111],"when":[59],"using":[60],"same":[62,69],"electrical":[65],"components":[66],"under":[67],"external":[70],"impacts":[71],"both":[73],"setups.":[74],"The":[75],"obtained":[76],"values":[77],"are":[78],"confirmed":[79],"on":[80],"experimental":[81],"installations,":[82],"demonstrating":[83],"an":[84],"improvement":[85],"by":[89],"about":[90],"19":[91],"dB":[92],"at":[93],"frequencies":[94],"20,":[96],"100,":[97],"400":[99],"Hz.":[100],"In":[101],"this":[102],"way,":[103],"minimum":[105],"recorded":[106],"impact":[107],"(at":[108],"threshold":[110],"=":[112],"10)":[113],"can":[114],"be":[115],"reduced":[116],"from":[117],"100":[118],"nm":[119,129],"per":[120,130],"20":[121,131],"m":[122,132],"less":[126],"than":[127],"5":[128],"sensor.":[135]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
