{"id":"https://openalex.org/W2168691705","doi":"https://doi.org/10.1109/igarss.2007.4424005","title":"Status of GNSS reflectometry related receiver developments and feasibility studies within the German Indonesian Tsunami Early Warning System","display_name":"Status of GNSS reflectometry related receiver developments and feasibility studies within the German Indonesian Tsunami Early Warning System","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2168691705","doi":"https://doi.org/10.1109/igarss.2007.4424005","mag":"2168691705"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2007.4424005","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2007.4424005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5112502659","display_name":"Achim Helm","orcid":null},"institutions":[{"id":"https://openalex.org/I4210152878","display_name":"GFZ Helmholtz Centre for Geosciences","ror":"https://ror.org/04z8jg394","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I4210152878"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Achim Helm","raw_affiliation_strings":["Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany","institution_ids":["https://openalex.org/I4210152878"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023497468","display_name":"Ralf Stosius","orcid":null},"institutions":[{"id":"https://openalex.org/I4210152878","display_name":"GFZ Helmholtz Centre for Geosciences","ror":"https://ror.org/04z8jg394","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I4210152878"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ralf Stosius","raw_affiliation_strings":["Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany","institution_ids":["https://openalex.org/I4210152878"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037582238","display_name":"G. Beyerle","orcid":"https://orcid.org/0000-0003-1215-2418"},"institutions":[{"id":"https://openalex.org/I4210152878","display_name":"GFZ Helmholtz Centre for Geosciences","ror":"https://ror.org/04z8jg394","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I4210152878"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Georg Beyerle","raw_affiliation_strings":["Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany","institution_ids":["https://openalex.org/I4210152878"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043626547","display_name":"Oliver Montenbruck","orcid":"https://orcid.org/0000-0003-4783-745X"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Oliver Montenbruck","raw_affiliation_strings":["German Aerospace Center DLR, German Space Operation Center, Wessling, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"German Aerospace Center DLR, German Space Operation Center, Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004202455","display_name":"Markus Rothacher","orcid":"https://orcid.org/0000-0002-7993-8573"},"institutions":[{"id":"https://openalex.org/I4210152878","display_name":"GFZ Helmholtz Centre for Geosciences","ror":"https://ror.org/04z8jg394","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I4210152878"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Markus Rothacher","raw_affiliation_strings":["Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department Geodesy and Remote Sensing, GeoForschungsZentrum Potsdam (GFZ), Potsdam, Germany","institution_ids":["https://openalex.org/I4210152878"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.3605,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.97573993,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"5084","last_page":"5087"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9997000098228455,"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":0.9997000098228455,"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/T11061","display_name":"Ocean Waves and Remote Sensing","score":0.9980999827384949,"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/T10655","display_name":"GNSS positioning and interference","score":0.996999979019165,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/reflectometry","display_name":"Reflectometry","score":0.7951343059539795},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.7800768613815308},{"id":"https://openalex.org/keywords/indonesian","display_name":"Indonesian","score":0.5930029153823853},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5702189207077026},{"id":"https://openalex.org/keywords/warning-system","display_name":"Warning system","score":0.5564144253730774},{"id":"https://openalex.org/keywords/german","display_name":"German","score":0.5189523696899414},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.36482420563697815},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.34499943256378174},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2552366852760315},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.24242031574249268},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2332596778869629},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.18341860175132751},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.05787152051925659}],"concepts":[{"id":"https://openalex.org/C2778925768","wikidata":"https://www.wikidata.org/wiki/Q3454718","display_name":"Reflectometry","level":3,"score":0.7951343059539795},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.7800768613815308},{"id":"https://openalex.org/C2779207338","wikidata":"https://www.wikidata.org/wiki/Q9240","display_name":"Indonesian","level":2,"score":0.5930029153823853},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5702189207077026},{"id":"https://openalex.org/C29825287","wikidata":"https://www.wikidata.org/wiki/Q1427940","display_name":"Warning system","level":2,"score":0.5564144253730774},{"id":"https://openalex.org/C154775046","wikidata":"https://www.wikidata.org/wiki/Q188","display_name":"German","level":2,"score":0.5189523696899414},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.36482420563697815},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.34499943256378174},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2552366852760315},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.24242031574249268},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2332596778869629},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.18341860175132751},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.05787152051925659},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/igarss.2007.4424005","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2007.4424005","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:gfz-potsdam.de:escidoc:236166","is_oa":false,"landing_page_url":"http://gfzpublic.gfz-potsdam.de/pubman/item/escidoc:236166","pdf_url":null,"source":{"id":"https://openalex.org/S4306401313","display_name":"Publication Database GFZ (GFZ German Research Centre for Geosciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210152878","host_organization_name":"GFZ Helmholtz Centre for Geosciences","host_organization_lineage":["https://openalex.org/I4210152878"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Geoscience and Remote Sensing Symposium - IGARSS 2007 (Barcelona, Spain 2007)","raw_type":"http://purl.org/eprint/type/ConferencePaper"},{"id":"pmh:oai:gfzpublic.gfz-potsdam.de:item_236166","is_oa":false,"landing_page_url":"https://gfzpublic.gfz-potsdam.de/pubman/item/item_236166","pdf_url":null,"source":{"id":"https://openalex.org/S4306401313","display_name":"Publication Database GFZ (GFZ German Research Centre for Geosciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210152878","host_organization_name":"GFZ Helmholtz Centre for Geosciences","host_organization_lineage":["https://openalex.org/I4210152878"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Geoscience and Remote Sensing Symposium - IGARSS 2007 (Barcelona, Spain 2007)","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:gfzpublic.gfz.de:item_236166","is_oa":false,"landing_page_url":"https://gfzpublic.gfz.de/pubman/item/item_236166","pdf_url":null,"source":{"id":"https://openalex.org/S4306401313","display_name":"Publication Database GFZ (GFZ German Research Centre for Geosciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210152878","host_organization_name":"GFZ Helmholtz Centre for Geosciences","host_organization_lineage":["https://openalex.org/I4210152878"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Geoscience and Remote Sensing Symposium - IGARSS 2007 (Barcelona, Spain 2007)","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.5899999737739563}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321114","display_name":"Bundesministerium f\u00fcr Bildung und Forschung","ror":"https://ror.org/04pz7b180"},{"id":"https://openalex.org/F4320337907","display_name":"Integrated Electronics Engineering Center, Binghamton University","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1632855070","https://openalex.org/W1641514922","https://openalex.org/W2059279594","https://openalex.org/W2073536295","https://openalex.org/W2100807107","https://openalex.org/W2104461599","https://openalex.org/W2107580583","https://openalex.org/W2125691760","https://openalex.org/W2138313725","https://openalex.org/W2169299925","https://openalex.org/W6636628389","https://openalex.org/W6678872092"],"related_works":["https://openalex.org/W4242621793","https://openalex.org/W648807974","https://openalex.org/W4229837155","https://openalex.org/W4236086937","https://openalex.org/W2294302573","https://openalex.org/W2140036717","https://openalex.org/W2091193607","https://openalex.org/W4386936491","https://openalex.org/W4312419881","https://openalex.org/W3007931018"],"abstract_inverted_index":{"In":[0,246],"the":[1,4,41,74,88,92,126,129,133,154,182,188,193,199,211,221,225,229,232,240,251,287],"frame":[2],"of":[3,50,73,102,128,135,145,159,187,192,198,213,250,286],"German":[5],"Indonesian":[6],"Tsunami":[7],"Early":[8],"Warning":[9],"System":[10,18],"(GITEWS)":[11],"project":[12,94],"a":[13,45,82,99,173,214,256,267,274],"multi-frequency":[14],"Global":[15],"Navigation":[16],"Satellite":[17],"(GNSS)":[19],"Occultation":[20],"&":[21,23],"Reflectometry":[22],"Scatterometry":[24],"(GORS)":[25],"space":[26,121,180],"receiver":[27,38,76,89,156,184],"is":[28,31,202,218,290],"developed.":[29],"It":[30],"based":[32],"on":[33],"commercial":[34],"off-the-shelf":[35],"(COTS)":[36],"GNSS":[37,75,107,116,252],"technology,":[39],"as":[40,65,67],"core":[42],"instrument":[43],"for":[44,118,143,227,239],"future":[46],"tsunami":[47,215,244],"detection":[48,216],"constellation":[49,222],"small":[51],"low":[52],"Earth":[53],"orbit":[54],"(LEO)":[55],"satellites.":[56],"For":[57],"use":[58],"in":[59],"reflectometry,":[60],"scatterometry":[61],"and":[62,87,105,111,140,151,162,204,231,269,292],"radio-occultation":[63],"measurements":[64],"well":[66],"high-precision":[68],"navigation":[69],"applications,":[70],"specific":[71],"adaptations":[72,124],"firmware":[77],"are":[78,207,259,295],"desirable,":[79],"which":[80],"require":[81],"close":[83],"interaction":[84],"between":[85],"scientists":[86],"manufacturer.":[90],"Within":[91,209],"GITEWS":[93,210],"GFZ":[95],"has":[96],"set":[97],"up":[98],"team":[100],"consisting":[101],"GFZ,":[103],"DLR":[104],"JAVAD":[106],"(JAVAD)":[108],"to":[109,178,234,243,255],"adapt":[110],"extend":[112],"their":[113],"new":[114,183],"generation":[115],"receivers":[117],"advanced":[119],"scientific":[120],"applications.":[122],"Specific":[123],"address":[125],"improvement":[127],"cold":[130],"start":[131],"time-to-first-fix,":[132],"selection":[134],"optimal":[136],"tracking":[137,186],"loop":[138],"parameters":[139],"channel":[141],"slaving":[142],"monitoring":[144],"reflected":[146,254],"signals.":[147],"Besides":[148],"pseudorange,":[149],"phase":[150],"signal-to-noise":[152],"measurements,":[153],"modified":[155],"allows":[157],"output":[158],"in-phase":[160],"(I)":[161],"quadrature-phase":[163],"(Q)":[164],"accumulations":[165],"at":[166],"5":[167],"msec":[168],"intervals":[169],"(200":[170],"Hz).":[171],"As":[172],"major":[174],"step":[175],"forward":[176],"compared":[177],"current":[179,200,288],"receivers,":[181],"supports":[185],"civil":[189],"L2C":[190],"signal":[191],"GPS":[194],"constellation.":[195],"An":[196,284],"overview":[197,285],"status":[201],"given":[203,291],"first":[205,293],"results":[206,294],"discussed.":[208,296],"feasibility":[212],"mission":[217,223],"studied,":[219],"including":[220],"design,":[224],"options":[226],"operating":[228],"system":[230,238],"ways":[233],"develop":[235],"an":[236,279],"end-to-end":[237],"quick":[241],"response":[242],"events.":[245],"parallel":[247],"simulation":[248],"studies":[249],"signals":[253],"LEO":[257],"satellite":[258],"carried":[260],"out.":[261],"This":[262],"will":[263],"be":[264],"realised":[265],"by":[266],"Zavorotny":[268],"Voronovich":[270],"scattering":[271],"model":[272,276],"with":[273],"two-scale":[275],"approach":[277],"using":[278],"Elfouhaily":[280],"sea":[281],"wave":[282],"spectrum.":[283],"activities":[289]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}