{"id":"https://openalex.org/W4224862026","doi":"https://doi.org/10.3390/s22093293","title":"Pulse Broadening Effects on Ranging Performance of a Laser Altimeter with Return-to-Zero Pseudorandom Noise Code Modulation","display_name":"Pulse Broadening Effects on Ranging Performance of a Laser Altimeter with Return-to-Zero Pseudorandom Noise Code Modulation","publication_year":2022,"publication_date":"2022-04-25","ids":{"openalex":"https://openalex.org/W4224862026","doi":"https://doi.org/10.3390/s22093293","pmid":"https://pubmed.ncbi.nlm.nih.gov/35590983"},"language":"en","primary_location":{"id":"doi:10.3390/s22093293","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22093293","pdf_url":"https://www.mdpi.com/1424-8220/22/9/3293/pdf?version=1650952715","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/1424-8220/22/9/3293/pdf?version=1650952715","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002699412","display_name":"Hyung-Chul Lim","orcid":"https://orcid.org/0000-0001-5266-1335"},"institutions":[{"id":"https://openalex.org/I2800676788","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2800676788","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Hyung-Chul Lim","raw_affiliation_strings":["Korea Astronomy and Space Science Institute, Daejeon 34055, Korea"],"raw_orcid":"https://orcid.org/0000-0001-5266-1335","affiliations":[{"raw_affiliation_string":"Korea Astronomy and Space Science Institute, Daejeon 34055, Korea","institution_ids":["https://openalex.org/I2800676788"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024705453","display_name":"Jong Uk Park","orcid":"https://orcid.org/0000-0001-8060-6050"},"institutions":[{"id":"https://openalex.org/I2800676788","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2800676788","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jong Uk Park","raw_affiliation_strings":["Korea Astronomy and Space Science Institute, Daejeon 34055, Korea"],"raw_orcid":"https://orcid.org/0000-0001-8060-6050","affiliations":[{"raw_affiliation_string":"Korea Astronomy and Space Science Institute, Daejeon 34055, Korea","institution_ids":["https://openalex.org/I2800676788"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025854196","display_name":"Mansoo Choi","orcid":"https://orcid.org/0000-0003-2019-3615"},"institutions":[{"id":"https://openalex.org/I2800676788","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2800676788","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Mansoo Choi","raw_affiliation_strings":["Korea Astronomy and Space Science Institute, Daejeon 34055, Korea"],"raw_orcid":"https://orcid.org/0000-0003-2019-3615","affiliations":[{"raw_affiliation_string":"Korea Astronomy and Space Science Institute, Daejeon 34055, Korea","institution_ids":["https://openalex.org/I2800676788"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102940974","display_name":"Eun-Seo Park","orcid":"https://orcid.org/0000-0001-6017-3024"},"institutions":[{"id":"https://openalex.org/I2800676788","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2800676788","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Eunseo Park","raw_affiliation_strings":["Korea Astronomy and Space Science Institute, Daejeon 34055, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea Astronomy and Space Science Institute, Daejeon 34055, Korea","institution_ids":["https://openalex.org/I2800676788"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041676618","display_name":"Ki-Pyoung Sung","orcid":"https://orcid.org/0000-0003-2639-4127"},"institutions":[{"id":"https://openalex.org/I2800676788","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2800676788","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ki-Pyoung Sung","raw_affiliation_strings":["Korea Astronomy and Space Science Institute, Daejeon 34055, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Korea Astronomy and Space Science Institute, Daejeon 34055, Korea","institution_ids":["https://openalex.org/I2800676788"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071743667","display_name":"Jung Hyun Jo","orcid":"https://orcid.org/0000-0003-1906-8075"},"institutions":[{"id":"https://openalex.org/I2800676788","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2800676788","https://openalex.org/I2801339556","https://openalex.org/I4387152098","https://openalex.org/I4405260336"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jung Hyun Jo","raw_affiliation_strings":["Korea Astronomy and Space Science Institute, Daejeon 34055, Korea"],"raw_orcid":"https://orcid.org/0000-0003-1906-8075","affiliations":[{"raw_affiliation_string":"Korea Astronomy and Space Science Institute, Daejeon 34055, Korea","institution_ids":["https://openalex.org/I2800676788"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5002699412"],"corresponding_institution_ids":["https://openalex.org/I2800676788"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.3768,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.76244813,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"22","issue":"9","first_page":"3293","last_page":"3293"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10638","display_name":"Optical measurement and interference techniques","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ranging","display_name":"Ranging","score":0.852715253829956},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.540371298789978},{"id":"https://openalex.org/keywords/pseudorandom-number-generator","display_name":"Pseudorandom number generator","score":0.5290181636810303},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5125446319580078},{"id":"https://openalex.org/keywords/pulse","display_name":"Pulse (music)","score":0.46847596764564514},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.46139997243881226},{"id":"https://openalex.org/keywords/pseudorandom-noise","display_name":"Pseudorandom noise","score":0.45993709564208984},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.4118736982345581},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3911319971084595},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3661215305328369},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3462459444999695},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.23845234513282776},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20079419016838074},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.13176846504211426}],"concepts":[{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.852715253829956},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.540371298789978},{"id":"https://openalex.org/C140642157","wikidata":"https://www.wikidata.org/wiki/Q1623338","display_name":"Pseudorandom number generator","level":2,"score":0.5290181636810303},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5125446319580078},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.46847596764564514},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.46139997243881226},{"id":"https://openalex.org/C151881341","wikidata":"https://www.wikidata.org/wiki/Q910571","display_name":"Pseudorandom noise","level":4,"score":0.45993709564208984},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.4118736982345581},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3911319971084595},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3661215305328369},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3462459444999695},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.23845234513282776},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20079419016838074},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.13176846504211426},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"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/s22093293","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22093293","pdf_url":"https://www.mdpi.com/1424-8220/22/9/3293/pdf?version=1650952715","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:35590983","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35590983","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:doaj.org/article:1f4955c0b23c44bebb6c22ad12797fdb","is_oa":true,"landing_page_url":"https://doaj.org/article/1f4955c0b23c44bebb6c22ad12797fdb","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":"Sensors, Vol 22, Iss 9, p 3293 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/9/3293/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22093293","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 22; Issue 9; Pages: 3293","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:9104090","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9104090","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/s22093293","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22093293","pdf_url":"https://www.mdpi.com/1424-8220/22/9/3293/pdf?version=1650952715","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":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322112","display_name":"Korea Astronomy and Space Science Institute","ror":"https://ror.org/04g2pxh42"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4224862026.pdf","grobid_xml":"https://content.openalex.org/works/W4224862026.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W1983406239","https://openalex.org/W1986260860","https://openalex.org/W1990077509","https://openalex.org/W1991128904","https://openalex.org/W1994466578","https://openalex.org/W1999174820","https://openalex.org/W2003021330","https://openalex.org/W2013482564","https://openalex.org/W2029705611","https://openalex.org/W2033386807","https://openalex.org/W2052105365","https://openalex.org/W2052553134","https://openalex.org/W2059197027","https://openalex.org/W2065094813","https://openalex.org/W2069496598","https://openalex.org/W2076857926","https://openalex.org/W2081773611","https://openalex.org/W2087481785","https://openalex.org/W2088559239","https://openalex.org/W2090220653","https://openalex.org/W2092369214","https://openalex.org/W2094605604","https://openalex.org/W2112167868","https://openalex.org/W2115584741","https://openalex.org/W2122582912","https://openalex.org/W2130407211","https://openalex.org/W2155604614","https://openalex.org/W2169951244","https://openalex.org/W2172233005","https://openalex.org/W2527409164","https://openalex.org/W2538425072","https://openalex.org/W2728830720","https://openalex.org/W2803040398","https://openalex.org/W2963465534","https://openalex.org/W2967703853","https://openalex.org/W2972541075","https://openalex.org/W3028335939","https://openalex.org/W3117736004","https://openalex.org/W3157292735","https://openalex.org/W3172573099","https://openalex.org/W3199795343","https://openalex.org/W6673061847"],"related_works":["https://openalex.org/W2168932789","https://openalex.org/W2369519053","https://openalex.org/W2093045832","https://openalex.org/W2122354587","https://openalex.org/W2014752053","https://openalex.org/W2533327410","https://openalex.org/W3011298913","https://openalex.org/W2348496033","https://openalex.org/W2361283722","https://openalex.org/W2365124319"],"abstract_inverted_index":{"A":[0],"laser":[1,82,192],"altimeter":[2,193],"using":[3,101,194],"code":[4,56,197],"modulation":[5,57,198],"techniques":[6],"receives":[7],"a":[8,19,77,93,102,117,135,191],"backscattered":[9],"pulse":[10,16,51,69,128,165],"wider":[11],"than":[12],"the":[13,29,42,50,55,68,73,86,96,127,132,145,153,164,170,176,195],"transmitted":[14],"rectangular":[15],"when":[17],"scanning":[18],"rough":[20],"or":[21],"sloped":[22],"target":[23],"surface.":[24],"This":[25],"leads":[26],"to":[27,66,152],"degrading":[28],"ranging":[30,74,177,204],"performance":[31,75],"in":[32,124,187],"terms":[33,125],"of":[34,54,76,126,134,138],"signal-to-noise":[35],"ratio":[36],"(SNR)":[37],"and":[38,121,173],"detection":[39,122],"probability.":[40],"Unlike":[41],"pulsed":[43],"techniques,":[44],"little":[45],"work":[46],"has":[47],"focused":[48],"on":[49,72],"broadening":[52,70,129,166],"effect":[53,71,167],"techniques.":[58],"In":[59],"this":[60],"study,":[61],"mathematical":[62],"models":[63],"were":[64,112,148],"derived":[65,100,115],"investigate":[67],"return-to-zero":[78],"pseudorandom":[79],"noise":[80],"(RZPN)":[81],"altimeter.":[83],"Considering":[84],"that":[85,163],"impulse":[87],"response":[88],"can":[89],"be":[90],"approximated":[91],"by":[92,150],"Gaussian":[94],"function,":[95],"analytical":[97,146,180],"waveform":[98],"was":[99,160],"new":[103],"flat-topped":[104],"multi-Gaussian":[105],"beam":[106],"(FMGB)":[107],"model.":[108],"The":[109],"closed-form":[110],"expressions":[111,147,181],"also":[113,161,201],"analytically":[114],"for":[116,141],"peak":[118,171],"cross-correlation,":[119],"SNR,":[120],"probability":[123],"effect.":[130],"With":[131],"use":[133],"three-dimensional":[136],"model":[137],"asteroid":[139],"Itokawa":[140],"practical":[142],"surface":[143],"profiles,":[144],"validated":[149],"comparing":[151],"results":[154],"obtained":[155],"from":[156],"numerical":[157],"simulations.":[158],"It":[159],"demonstrated":[162],"dropped":[168],"down":[169],"cross-correlation":[172],"then":[174],"deteriorated":[175],"performance.":[178,205],"These":[179],"will":[182],"play":[183],"an":[184],"important":[185],"role":[186],"not":[188],"only":[189],"designing":[190],"RZPN":[196],"technique":[199],"but":[200],"analyzing":[202],"its":[203]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-05-26T13:28:51.108037","created_date":"2025-10-10T00:00:00"}