{"id":"https://openalex.org/W2763409038","doi":"https://doi.org/10.1109/tgrs.2017.2754946","title":"Analysis of Cross-Borehole Pulse Radar Signatures on a Terminated Tunnel With Various Penetration Lengths","display_name":"Analysis of Cross-Borehole Pulse Radar Signatures on a Terminated Tunnel With Various Penetration Lengths","publication_year":2017,"publication_date":"2017-10-05","ids":{"openalex":"https://openalex.org/W2763409038","doi":"https://doi.org/10.1109/tgrs.2017.2754946","mag":"2763409038"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2017.2754946","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2017.2754946","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-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/A5048942122","display_name":"Jae\u2010Hyoung Cho","orcid":"https://orcid.org/0000-0002-8555-7945"},"institutions":[{"id":"https://openalex.org/I4210143937","display_name":"Hanwha Solutions (South Korea)","ror":"https://ror.org/05dmq6f22","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210143937","https://openalex.org/I4403386467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jae-Hyoung Cho","raw_affiliation_strings":["Hanwha Systems, Gyeonggi-do, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-8555-7945","affiliations":[{"raw_affiliation_string":"Hanwha Systems, Gyeonggi-do, South Korea","institution_ids":["https://openalex.org/I4210143937"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101815432","display_name":"Ji-Hyun Jung","orcid":"https://orcid.org/0000-0001-7410-6033"},"institutions":[{"id":"https://openalex.org/I4210143937","display_name":"Hanwha Solutions (South Korea)","ror":"https://ror.org/05dmq6f22","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210143937","https://openalex.org/I4403386467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ji-Hyun Jung","raw_affiliation_strings":["Hanwha Systems, Gyeonggi-do, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hanwha Systems, Gyeonggi-do, South Korea","institution_ids":["https://openalex.org/I4210143937"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101520304","display_name":"Se-Yun Kim","orcid":"https://orcid.org/0000-0001-8234-4621"},"institutions":[{"id":"https://openalex.org/I4210140519","display_name":"Korean Association Of Science and Technology Studies","ror":"https://ror.org/04qh86j58","country_code":"KR","type":"other","lineage":["https://openalex.org/I4210140519"]},{"id":"https://openalex.org/I58716616","display_name":"Korea Institute of Science and Technology","ror":"https://ror.org/05kzfa883","country_code":"KR","type":"facility","lineage":["https://openalex.org/I27494661","https://openalex.org/I2801339556","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098","https://openalex.org/I4387152098","https://openalex.org/I58716616"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Se-Yun Kim","raw_affiliation_strings":["Imaging Media Research Center, Korea Institute of Science and Technology, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imaging Media Research Center, Korea Institute of Science and Technology, Seoul, South Korea","institution_ids":["https://openalex.org/I4210140519","https://openalex.org/I58716616"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9585,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.76346188,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"56","issue":"2","first_page":"799","last_page":"807"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":1.0,"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"}},{"id":"https://openalex.org/T11757","display_name":"Seismic Waves and Analysis","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.998199999332428,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/borehole","display_name":"Borehole","score":0.901573657989502},{"id":"https://openalex.org/keywords/finite-difference-time-domain-method","display_name":"Finite-difference time-domain method","score":0.6040264964103699},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.5923149585723877},{"id":"https://openalex.org/keywords/time-of-arrival","display_name":"Time of arrival","score":0.5541644096374512},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4499286115169525},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.44344767928123474},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.4321307837963104},{"id":"https://openalex.org/keywords/drilling","display_name":"Drilling","score":0.42129790782928467},{"id":"https://openalex.org/keywords/penetration","display_name":"Penetration (warfare)","score":0.41704657673835754},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.4008522033691406},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.31113818287849426},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.29220837354660034},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.2681114077568054},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1540820598602295},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14210453629493713},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.1216178834438324},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.11074447631835938},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09958600997924805}],"concepts":[{"id":"https://openalex.org/C150560799","wikidata":"https://www.wikidata.org/wiki/Q502102","display_name":"Borehole","level":2,"score":0.901573657989502},{"id":"https://openalex.org/C184880428","wikidata":"https://www.wikidata.org/wiki/Q1417308","display_name":"Finite-difference time-domain method","level":2,"score":0.6040264964103699},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5923149585723877},{"id":"https://openalex.org/C163150518","wikidata":"https://www.wikidata.org/wiki/Q4135208","display_name":"Time of arrival","level":3,"score":0.5541644096374512},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4499286115169525},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.44344767928123474},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.4321307837963104},{"id":"https://openalex.org/C25197100","wikidata":"https://www.wikidata.org/wiki/Q890886","display_name":"Drilling","level":2,"score":0.42129790782928467},{"id":"https://openalex.org/C80107235","wikidata":"https://www.wikidata.org/wiki/Q7162625","display_name":"Penetration (warfare)","level":2,"score":0.41704657673835754},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.4008522033691406},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.31113818287849426},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.29220837354660034},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2681114077568054},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1540820598602295},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14210453629493713},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.1216178834438324},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.11074447631835938},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09958600997924805},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","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},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2017.2754946","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2017.2754946","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G6712180552","display_name":null,"funder_award_id":"2E27190","funder_id":"https://openalex.org/F4320322091","funder_display_name":"Korea Institute of Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320322091","display_name":"Korea Institute of Science and Technology","ror":"https://ror.org/05kzfa883"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1536953025","https://openalex.org/W1570895503","https://openalex.org/W1634130616","https://openalex.org/W1932836039","https://openalex.org/W1963714378","https://openalex.org/W1969755133","https://openalex.org/W1990091624","https://openalex.org/W1990132688","https://openalex.org/W2023079891","https://openalex.org/W2033452812","https://openalex.org/W2038187899","https://openalex.org/W2084543890","https://openalex.org/W2090843874","https://openalex.org/W2092630675","https://openalex.org/W2099546428","https://openalex.org/W2102915934","https://openalex.org/W2115675130","https://openalex.org/W2115988742","https://openalex.org/W2127272874","https://openalex.org/W2143423823","https://openalex.org/W2156673609","https://openalex.org/W2162650201","https://openalex.org/W2169340698","https://openalex.org/W2238895314","https://openalex.org/W2264988019","https://openalex.org/W2331510424","https://openalex.org/W2483039448","https://openalex.org/W2512728438","https://openalex.org/W2554466441","https://openalex.org/W2995705919","https://openalex.org/W3030504956","https://openalex.org/W3124897756","https://openalex.org/W4240464597"],"related_works":["https://openalex.org/W2044904198","https://openalex.org/W3006474185","https://openalex.org/W2119478278","https://openalex.org/W2382164616","https://openalex.org/W2375236835","https://openalex.org/W2388470518","https://openalex.org/W2965679811","https://openalex.org/W1972422314","https://openalex.org/W2534908930","https://openalex.org/W2124484787"],"abstract_inverted_index":{"A":[0],"cross-borehole":[1],"pulse":[2],"radar":[3,36],"system":[4],"was":[5,54],"operated":[6],"to":[7],"detect":[8],"an":[9,159],"intrusive":[10],"man-made":[11],"tunnel":[12,31,72,94,116,153,208],"terminated":[13,62,71,93,115,182,207],"just":[14],"1.2":[15],"m":[16],"away":[17],"from":[18],"the":[19,44,49,58,61,66,86,92,102,106,110,114,120,133,140,146,152,171,186],"line":[20],"of":[21,60,113,125,128,135,145,177,205],"sight":[22],"between":[23,101],"a":[24,30,39,70,78,200,206],"newly":[25],"drilled":[26],"borehole":[27,76,96,183],"pair":[28],"at":[29,57,69,151],"test":[32,154,187],"site.":[33,188,210],"Unlike":[34],"conventional":[35],"signatures":[37],"on":[38,91,203],"fully":[40,178],"penetrated":[41,179],"air-filled":[42],"tunnel,":[43],"relatively":[45],"fast":[46],"arrival":[47],"in":[48,105,119,174,185,209],"measured":[50,88,157,172],"time-of-arrival":[51],"(TOA)":[52],"profile":[53,108],"highly":[55],"suppressed":[56],"depth":[59],"tunnel.":[63],"To":[64,131],"analyze":[65],"TOA":[67,107],"contraction":[68],"without":[73],"drilling":[74],"additional":[75],"pairs,":[77],"finite-difference":[79],"time-domain":[80],"(FDTD)":[81],"simulator":[82],"is":[83],"implemented":[84],"using":[85,158],"accurately":[87],"location":[89],"information":[90],"and":[95,109,122,180],"pair.":[97],"The":[98,164,189],"relation":[99],"curves":[100,193],"time":[103,166,191],"advance":[104,192],"penetration":[111,196],"length":[112],"are":[117,156],"plotted":[118],"high":[121],"low":[123],"limits":[124],"electrical":[126],"properties":[127],"background":[129],"rock.":[130],"verify":[132],"accuracy":[134],"our":[136],"FDTD":[137],"simulated":[138],"results,":[139],"wideband":[141],"complex":[142],"permittivity":[143],"profiles":[144],"core":[147],"rock":[148],"samples\u2019":[149],"boring":[150],"site":[155],"open-ended":[160],"coaxial":[161],"probe":[162],"method.":[163],"calculated":[165],"advances":[167],"agree":[168],"well":[169],"with":[170],"values":[173],"both":[175],"cases":[176],"closely":[181],"pairs":[184],"presented":[190],"for":[194],"various":[195],"lengths":[197],"will":[198],"be":[199],"valuable":[201],"guideline":[202],"detection":[204]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}