{"id":"https://openalex.org/W2169059324","doi":"https://doi.org/10.1109/tsp.2009.2020363","title":"Time-Frequency Characterization and Receiver Waveform Design for Shallow Water Environments","display_name":"Time-Frequency Characterization and Receiver Waveform Design for Shallow Water Environments","publication_year":2009,"publication_date":"2009-04-08","ids":{"openalex":"https://openalex.org/W2169059324","doi":"https://doi.org/10.1109/tsp.2009.2020363","mag":"2169059324"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2009.2020363","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2009.2020363","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hal.science/hal-00349535","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084690147","display_name":"J.J. Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210113034","display_name":"Sensor Electronics (United States)","ror":"https://ror.org/01ynheb59","country_code":"US","type":"company","lineage":["https://openalex.org/I4210113034"]},{"id":"https://openalex.org/I55732556","display_name":"Arizona State University","ror":"https://ror.org/03efmqc40","country_code":"US","type":"education","lineage":["https://openalex.org/I55732556"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J.J. Zhang","raw_affiliation_strings":["Department of Electrical Engineering, Arizona State University, Tempe, AZ, USA","SenSIP - Sensor, Signal & Image Processing Center (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Arizona State University, Tempe, AZ, USA","institution_ids":["https://openalex.org/I55732556"]},{"raw_affiliation_string":"SenSIP - Sensor, Signal & Image Processing Center (United States)","institution_ids":["https://openalex.org/I4210113034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069246416","display_name":"Antonia Papandreou\u2010Suppappola","orcid":"https://orcid.org/0000-0002-5223-6256"},"institutions":[{"id":"https://openalex.org/I4210113034","display_name":"Sensor Electronics (United States)","ror":"https://ror.org/01ynheb59","country_code":"US","type":"company","lineage":["https://openalex.org/I4210113034"]},{"id":"https://openalex.org/I55732556","display_name":"Arizona State University","ror":"https://ror.org/03efmqc40","country_code":"US","type":"education","lineage":["https://openalex.org/I55732556"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Papandreou-Suppappola","raw_affiliation_strings":["Department of Electrical Engineering, Arizona State University, Tempe, AZ, USA","SenSIP - Sensor, Signal & Image Processing Center (United States)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Arizona State University, Tempe, AZ, USA","institution_ids":["https://openalex.org/I55732556"]},{"raw_affiliation_string":"SenSIP - Sensor, Signal & Image Processing Center (United States)","institution_ids":["https://openalex.org/I4210113034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048329458","display_name":"Bertrand Gottin","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124956","display_name":"GIPSA-Lab","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"B. Gottin","raw_affiliation_strings":["GIPSA-Laboratory, E. N. S. Ing\u00e9nieurs Electriciens de Grenoble, Saint-Martin d'Heres, France","GIPSA-SIGMAPHY - GIPSA - Signal Images Physique (GIPSA-lab, 11 rue des Math\u00e9matiques, Grenoble Campus BP46, F-38402 SAINT MARTIN D'HERES CEDEX - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GIPSA-Laboratory, E. N. S. Ing\u00e9nieurs Electriciens de Grenoble, Saint-Martin d'Heres, France","institution_ids":["https://openalex.org/I4210124956"]},{"raw_affiliation_string":"GIPSA-SIGMAPHY - GIPSA - Signal Images Physique (GIPSA-lab, 11 rue des Math\u00e9matiques, Grenoble Campus BP46, F-38402 SAINT MARTIN D'HERES CEDEX - France)","institution_ids":["https://openalex.org/I4210124956"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040820453","display_name":"Cornel Ioana","orcid":"https://orcid.org/0000-0001-6581-3000"},"institutions":[{"id":"https://openalex.org/I4210124956","display_name":"GIPSA-Lab","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"C. Ioana","raw_affiliation_strings":["GIPSA-Laboratory, E. N. S. Ing\u00e9nieurs Electriciens de Grenoble, Saint-Martin d'Heres, France","GIPSA-SIGMAPHY - GIPSA - Signal Images Physique (GIPSA-lab, 11 rue des Math\u00e9matiques, Grenoble Campus BP46, F-38402 SAINT MARTIN D'HERES CEDEX - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GIPSA-Laboratory, E. N. S. Ing\u00e9nieurs Electriciens de Grenoble, Saint-Martin d'Heres, France","institution_ids":["https://openalex.org/I4210124956"]},{"raw_affiliation_string":"GIPSA-SIGMAPHY - GIPSA - Signal Images Physique (GIPSA-lab, 11 rue des Math\u00e9matiques, Grenoble Campus BP46, F-38402 SAINT MARTIN D'HERES CEDEX - France)","institution_ids":["https://openalex.org/I4210124956"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.5835,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.95349704,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"57","issue":"8","first_page":"2973","last_page":"2985"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9998999834060669,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9998999834060669,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/superposition-principle","display_name":"Superposition principle","score":0.6527125835418701},{"id":"https://openalex.org/keywords/waves-and-shallow-water","display_name":"Waves and shallow water","score":0.6455760598182678},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.6136325597763062},{"id":"https://openalex.org/keywords/underwater","display_name":"Underwater","score":0.5924849510192871},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5661539435386658},{"id":"https://openalex.org/keywords/waveform","display_name":"Waveform","score":0.5483648180961609},{"id":"https://openalex.org/keywords/impulse-response","display_name":"Impulse response","score":0.5233792066574097},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5127633213996887},{"id":"https://openalex.org/keywords/underwater-acoustic-communication","display_name":"Underwater acoustic communication","score":0.49231231212615967},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.47524476051330566},{"id":"https://openalex.org/keywords/impulse","display_name":"Impulse (physics)","score":0.4580511152744293},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.4560721516609192},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4378962814807892},{"id":"https://openalex.org/keywords/characterization","display_name":"Characterization (materials science)","score":0.43155378103256226},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.4312566816806793},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3459905982017517},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23670002818107605},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23408368229866028},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20468497276306152},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.12433922290802002},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09073105454444885},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08822599053382874},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07943281531333923},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.07273325324058533}],"concepts":[{"id":"https://openalex.org/C27753989","wikidata":"https://www.wikidata.org/wiki/Q284885","display_name":"Superposition principle","level":2,"score":0.6527125835418701},{"id":"https://openalex.org/C186348155","wikidata":"https://www.wikidata.org/wiki/Q7975538","display_name":"Waves and shallow water","level":2,"score":0.6455760598182678},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.6136325597763062},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.5924849510192871},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5661539435386658},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.5483648180961609},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.5233792066574097},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5127633213996887},{"id":"https://openalex.org/C169111936","wikidata":"https://www.wikidata.org/wiki/Q424098","display_name":"Underwater acoustic communication","level":3,"score":0.49231231212615967},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.47524476051330566},{"id":"https://openalex.org/C70836080","wikidata":"https://www.wikidata.org/wiki/Q837940","display_name":"Impulse (physics)","level":2,"score":0.4580511152744293},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.4560721516609192},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4378962814807892},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.43155378103256226},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.4312566816806793},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3459905982017517},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23670002818107605},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23408368229866028},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20468497276306152},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12433922290802002},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09073105454444885},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08822599053382874},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07943281531333923},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.07273325324058533},{"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/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tsp.2009.2020363","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2009.2020363","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.661.3341","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.661.3341","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://hal.archives-ouvertes.fr/file/index/docid/349535/filename/UW_Sig_Proc.pdf?origin%3Dpublication_detail","raw_type":"text"},{"id":"pmh:oai:HAL:hal-00349535v1","is_oa":true,"landing_page_url":"https://hal.science/hal-00349535","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Signal Processing, 2009, 57 (8), pp.2973-2985. ⟨10.1109/TSP.2009.2020363⟩","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:HAL:hal-00349535v1","is_oa":true,"landing_page_url":"https://hal.science/hal-00349535","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Signal Processing, 2009, 57 (8), pp.2973-2985. ⟨10.1109/TSP.2009.2020363⟩","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":0.7799999713897705,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W634575154","https://openalex.org/W1598517079","https://openalex.org/W1965392255","https://openalex.org/W1976691231","https://openalex.org/W1990639371","https://openalex.org/W2000864567","https://openalex.org/W2015699912","https://openalex.org/W2021227737","https://openalex.org/W2029612999","https://openalex.org/W2047909736","https://openalex.org/W2051740952","https://openalex.org/W2061799407","https://openalex.org/W2061936327","https://openalex.org/W2075453535","https://openalex.org/W2086011963","https://openalex.org/W2092110891","https://openalex.org/W2100866919","https://openalex.org/W2105794125","https://openalex.org/W2113249605","https://openalex.org/W2116533902","https://openalex.org/W2117042950","https://openalex.org/W2123256993","https://openalex.org/W2126574792","https://openalex.org/W2132691375","https://openalex.org/W2139725931","https://openalex.org/W2150450487","https://openalex.org/W2150480096","https://openalex.org/W2157571493","https://openalex.org/W2160104380","https://openalex.org/W2161574425","https://openalex.org/W2164374427","https://openalex.org/W2166397853","https://openalex.org/W2166845986","https://openalex.org/W2544889500","https://openalex.org/W2985852815","https://openalex.org/W4240785135","https://openalex.org/W6679047048"],"related_works":["https://openalex.org/W2284083282","https://openalex.org/W2482730279","https://openalex.org/W1877894942","https://openalex.org/W2331300579","https://openalex.org/W1889865591","https://openalex.org/W2133509944","https://openalex.org/W2281416914","https://openalex.org/W3008929766","https://openalex.org/W2378163306","https://openalex.org/W3124693952"],"abstract_inverted_index":{"We":[0],"investigate":[1],"a":[2,24,35,48],"frequency-domain":[3],"characterization":[4,122],"of":[5,13,37,62,76,97,128],"shallow":[6,17,106],"water":[7,18,107],"environments":[8],"based":[9,69,86],"on":[10,70,87],"normal-mode":[11,58],"models":[12],"acoustic":[14],"mediums.":[15],"The":[16],"environment":[19,64,108],"can":[20,31],"be":[21,32],"considered":[22],"as":[23,34],"time-dispersive":[25],"system":[26,121],"whose":[27],"time-varying":[28],"impulse":[29],"response":[30],"expressed":[33],"superposition":[36],"time-frequency":[38,50,74,83],"components":[39,59],"with":[40],"dispersive":[41,46,120],"characteristics.":[42],"After":[43],"studying":[44],"the":[45,57,63,73,77,101,105,119,124,129],"characteristics,":[47],"blind":[49],"processing":[51,126],"technique":[52,67],"is":[53,68],"employed":[54],"to":[55,99,111],"separate":[56],"without":[60],"knowledge":[61],"parameters.":[65],"This":[66],"first":[71],"approximating":[72],"structure":[75],"received":[78],"signal":[79],"and":[80,110,123],"then":[81],"designing":[82],"separation":[84],"filters":[85],"warping":[88],"techniques.":[89],"Following":[90],"this":[91],"method,":[92],"we":[93],"develop":[94],"two":[95],"types":[96],"receivers":[98],"exploit":[100],"diversity":[102],"inherent":[103],"in":[104],"model":[109],"improve":[112],"underwater":[113],"communication":[114],"performance.":[115],"Numerical":[116],"results":[117],"demonstrate":[118],"improved":[125],"performance":[127],"receiver":[130],"structures.":[131]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}