{"id":"https://openalex.org/W2170973749","doi":"https://doi.org/10.1109/igarss.2011.6050011","title":"First results of the PAU-SA synthetic aperture radiometer","display_name":"First results of the PAU-SA synthetic aperture radiometer","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2170973749","doi":"https://doi.org/10.1109/igarss.2011.6050011","mag":"2170973749"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2011.6050011","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6050011","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-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/A5071026107","display_name":"I. Ramos\u2010Perez","orcid":"https://orcid.org/0000-0002-5490-5505"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"I. Ramos-Perez","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004251536","display_name":"Giuseppe Forte","orcid":"https://orcid.org/0000-0002-6607-6038"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Forte","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071403178","display_name":"Xavier Bosch-Lluis","orcid":"https://orcid.org/0000-0002-7608-0559"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"X. Bosch-Lluis","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073492252","display_name":"Adriano Camps","orcid":"https://orcid.org/0000-0002-9514-4992"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"A. Camps","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018755444","display_name":"E. Valencia","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"E. Valencia","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036058658","display_name":"Nereida Rodriguez-Alvarez","orcid":"https://orcid.org/0000-0002-9382-0686"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"N. Rodriguez-Alvarez","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069057625","display_name":"Hyuk Park","orcid":"https://orcid.org/0000-0003-0031-0802"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"H. Park","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5010431685","display_name":"M. Vall\u2010llossera","orcid":"https://orcid.org/0000-0003-1357-7098"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"M. Vall-llossera","raw_affiliation_strings":["Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratory, Department Signal Theory and Communications & IEEC/CRAE, Universitat Polit\u00e8cnica de Catalunya UPC, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5771,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.72878382,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3633","last_page":"3636"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.996399998664856,"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"}},"topics":[{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.996399998664856,"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/T13200","display_name":"Spacecraft and Cryogenic Technologies","score":0.9908000230789185,"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/T11325","display_name":"Inertial Sensor and Navigation","score":0.9886999726295471,"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/remote-sensing","display_name":"Remote sensing","score":0.6801433563232422},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6284390091896057},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.6245281100273132},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.6160156726837158},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5947356224060059},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.5864342451095581},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.5115190744400024},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5040687322616577},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49196240305900574},{"id":"https://openalex.org/keywords/aperture","display_name":"Aperture (computer memory)","score":0.4606736898422241},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.28049588203430176},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.21045589447021484},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.20275241136550903},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19871801137924194},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15701690316200256},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1436501145362854},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.0832720398902893}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6801433563232422},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6284390091896057},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.6245281100273132},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.6160156726837158},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5947356224060059},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.5864342451095581},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.5115190744400024},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5040687322616577},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49196240305900574},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.4606736898422241},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.28049588203430176},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.21045589447021484},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.20275241136550903},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19871801137924194},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15701690316200256},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1436501145362854},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0832720398902893},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2011.6050011","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6050011","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1965870175","https://openalex.org/W1969273771","https://openalex.org/W2053332233","https://openalex.org/W2158210630","https://openalex.org/W2159185012"],"related_works":["https://openalex.org/W2801080295","https://openalex.org/W2502457263","https://openalex.org/W2901245944","https://openalex.org/W2113351631","https://openalex.org/W2103831930","https://openalex.org/W1971795288","https://openalex.org/W2078292672","https://openalex.org/W2382519356","https://openalex.org/W4377967113","https://openalex.org/W2153884633"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"the":[3,14,18,34,43,49,62,66,74],"Passive":[4],"Advanced":[5],"Unit":[6],"Synthetic":[7],"Aperture":[8],"instrument":[9],"(PAU-SA),":[10],"and":[11,29,59],"some":[12],"of":[13,20,36,51,65,77],"first":[15,63],"experimental":[16],"results:":[17],"use":[19,35],"pseudo-random":[21],"noise":[22],"signals":[23],"for":[24],"a":[25,37],"complete":[26],"baseline":[27],"calibration":[28],"receivers'":[30,44],"frequency":[31],"response":[32],"characterization,":[33],"Kalman":[38],"filter":[39],"to":[40],"better":[41],"estimate":[42],"phase":[45],"between":[46],"internal":[47],"calibrations,":[48],"imaging":[50],"an":[52],"artificial":[53],"point":[54],"source":[55],"at":[56],"different":[57],"angles":[58],"polarizations":[60],"and,":[61],"images":[64],"GPS":[67],"constellation":[68],"satellites":[69],"as":[70],"they":[71],"move":[72],"in":[73],"instrument's":[75],"field":[76],"view.":[78]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}