{"id":"https://openalex.org/W3126979104","doi":"https://doi.org/10.3390/rs13040570","title":"Evaluation of the Land GNSS-Reflected DDM Coherence on Soil Moisture Estimation from CYGNSS Data","display_name":"Evaluation of the Land GNSS-Reflected DDM Coherence on Soil Moisture Estimation from CYGNSS Data","publication_year":2021,"publication_date":"2021-02-05","ids":{"openalex":"https://openalex.org/W3126979104","doi":"https://doi.org/10.3390/rs13040570","mag":"3126979104"},"language":"en","primary_location":{"id":"doi:10.3390/rs13040570","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13040570","pdf_url":"https://www.mdpi.com/2072-4292/13/4/570/pdf?version=1612663026","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/4/570/pdf?version=1612663026","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5074931339","display_name":"Zhounan Dong","orcid":"https://orcid.org/0000-0002-0917-2912"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhounan Dong","raw_affiliation_strings":["School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China","Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China"],"affiliations":[{"raw_affiliation_string":"School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052926185","display_name":"Shuanggen Jin","orcid":"https://orcid.org/0000-0002-5108-4828"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shuanggen Jin","raw_affiliation_strings":["Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5052926185"],"corresponding_institution_ids":["https://openalex.org/I2799714274"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.1086,"has_fulltext":true,"cited_by_count":46,"citation_normalized_percentile":{"value":0.91433474,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"13","issue":"4","first_page":"570","last_page":"570"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9912999868392944,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9908000230789185,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7140156030654907},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.6727510690689087},{"id":"https://openalex.org/keywords/coherence","display_name":"Coherence (philosophical gambling strategy)","score":0.6438962817192078},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6271799802780151},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.49635082483291626},{"id":"https://openalex.org/keywords/satellite-system","display_name":"Satellite system","score":0.4631829261779785},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3465460538864136},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.29257893562316895},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.26689285039901733},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.26437339186668396},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14234766364097595},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13689666986465454},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.12916943430900574},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08459687232971191}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7140156030654907},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.6727510690689087},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.6438962817192078},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6271799802780151},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.49635082483291626},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.4631829261779785},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3465460538864136},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29257893562316895},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.26689285039901733},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.26437339186668396},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14234766364097595},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13689666986465454},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.12916943430900574},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08459687232971191},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13040570","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13040570","pdf_url":"https://www.mdpi.com/2072-4292/13/4/570/pdf?version=1612663026","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:12067e8ea45b47d3bc637d73502d56df","is_oa":true,"landing_page_url":"https://doaj.org/article/12067e8ea45b47d3bc637d73502d56df","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 4, p 570 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/4/570/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13040570","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":"Remote Sensing; Volume 13; Issue 4; Pages: 570","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13040570","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13040570","pdf_url":"https://www.mdpi.com/2072-4292/13/4/570/pdf?version=1612663026","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15","score":0.49000000953674316}],"awards":[{"id":"https://openalex.org/G6579775686","display_name":null,"funder_award_id":"XDA23040100","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3126979104.pdf","grobid_xml":"https://content.openalex.org/works/W3126979104.grobid-xml"},"referenced_works_count":37,"referenced_works":["https://openalex.org/W2022050692","https://openalex.org/W2023488014","https://openalex.org/W2030209988","https://openalex.org/W2044927495","https://openalex.org/W2067040941","https://openalex.org/W2107580583","https://openalex.org/W2144137496","https://openalex.org/W2308425384","https://openalex.org/W2486430858","https://openalex.org/W2625413745","https://openalex.org/W2768833776","https://openalex.org/W2802220396","https://openalex.org/W2807220393","https://openalex.org/W2886854197","https://openalex.org/W2889842608","https://openalex.org/W2900505804","https://openalex.org/W2900605310","https://openalex.org/W2912094294","https://openalex.org/W2916909768","https://openalex.org/W2959824742","https://openalex.org/W2972253584","https://openalex.org/W2977321108","https://openalex.org/W2987192344","https://openalex.org/W2995265070","https://openalex.org/W2996474469","https://openalex.org/W3011237512","https://openalex.org/W3015987273","https://openalex.org/W3020649642","https://openalex.org/W3020729433","https://openalex.org/W3024756036","https://openalex.org/W3048947513","https://openalex.org/W3095275538","https://openalex.org/W3099860989","https://openalex.org/W3107777305","https://openalex.org/W6667219370","https://openalex.org/W6754420787","https://openalex.org/W7071869634"],"related_works":["https://openalex.org/W2606296569","https://openalex.org/W2375040471","https://openalex.org/W2068158190","https://openalex.org/W2916802843","https://openalex.org/W2064660797","https://openalex.org/W4387714868","https://openalex.org/W2071552392","https://openalex.org/W20579766","https://openalex.org/W4396749081","https://openalex.org/W4392115504"],"abstract_inverted_index":{"With":[0],"the":[1,35,50,53,69,86,95,120,150,154,157,177,193],"development":[2],"of":[3,52,71,88,105,124,143,156,179,195],"spaceborne":[4],"global":[5,97],"navigation":[6,98],"satellite":[7,99],"system-reflectometry":[8],"(GNSS-R),":[9],"it":[10],"can":[11,38],"be":[12],"used":[13],"for":[14,187],"terrestrial":[15],"applications":[16],"as":[17,24],"a":[18,79,130],"promising":[19],"remote":[20],"sensing":[21],"tool,":[22],"such":[23],"soil":[25,63,163,189,198],"moisture":[26,64,164,190,199],"(SM)":[27],"retrieval.":[28],"The":[29,116,172],"reflected":[30],"L-band":[31],"GNSS":[32],"signal":[33],"from":[34,94,168],"land":[36,62,89,145,158],"surface":[37,47],"simultaneously":[39],"generate":[40],"coherent":[41,135,151],"and":[42,136,182,192],"incoherent":[43,54,137,180,183],"scattering,":[44],"depending":[45],"on":[46,162],"roughness.":[48],"However,":[49],"contribution":[51],"component":[55,181],"was":[56],"directly":[57],"ignored":[58],"in":[59,103],"previous":[60],"GNSS-R":[61,90,196],"content":[65],"retrieval":[66,165],"due":[67],"to":[68,84,133],"hypothesis":[70],"its":[72],"relatively":[73],"small":[74],"proportion.":[75],"In":[76],"this":[77],"paper,":[78],"detection":[80],"method":[81],"is":[82,166,185],"proposed":[83],"distinguish":[85],"coherence":[87,161],"delay-Doppler":[91],"map":[92],"(DDM)":[93],"cyclone":[96],"system":[100],"(CYGNSS)":[101],"mission":[102],"terms":[104],"DDM":[106,160],"power-spreading":[107],"features,":[108],"which":[109],"are":[110,147],"characterized":[111],"by":[112,149],"different":[113],"classification":[114],"estimators.":[115],"results":[117,174],"show":[118,175],"that":[119,141,176],"trailing":[121],"edge":[122],"slope":[123],"normalized":[125],"integrated":[126],"time-delay":[127],"waveform":[128],"presents":[129],"better":[131],"performance":[132],"recognize":[134],"dominated":[138,148],"observations,":[139],"indicating":[140],"89.6%":[142],"CYGNSS":[144,170,188],"observations":[146,184],"component.":[152],"Furthermore,":[153],"impact":[155],"GNSS-Reflected":[159],"evaluated":[167],"19-month":[169],"data.":[171],"experiment":[173],"influence":[178],"marginal":[186],"retrieval,":[191],"RMSE":[194],"derived":[197],"reaches":[200],"0.04":[201],"cm3/cm3.":[202]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":5}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}