{"id":"https://openalex.org/W1939101162","doi":"https://doi.org/10.1109/igarss.2005.1525649","title":"Very high resolution sar images over dense urban area","display_name":"Very high resolution sar images over dense urban area","publication_year":2005,"publication_date":"2005-11-15","ids":{"openalex":"https://openalex.org/W1939101162","doi":"https://doi.org/10.1109/igarss.2005.1525649","mag":"1939101162"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2005.1525649","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2005.1525649","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05.","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/A5020711782","display_name":"Hubert Cantalloube","orcid":null},"institutions":[{"id":"https://openalex.org/I2801658355","display_name":"Office National d'\u00c9tudes et de Recherches A\u00e9rospatiales","ror":"https://ror.org/005y2ap84","country_code":"FR","type":"facility","lineage":["https://openalex.org/I2801658355"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"H.-M.J. Cantalloube","raw_affiliation_strings":["Electromagnetics and RADAR division, office National d''\u00c9tude et de Recherches A\u00e9rospatiales, Palaiseau, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electromagnetics and RADAR division, office National d''\u00c9tude et de Recherches A\u00e9rospatiales, Palaiseau, France","institution_ids":["https://openalex.org/I2801658355"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015523625","display_name":"Pascale Dubois-Fernandez","orcid":null},"institutions":[{"id":"https://openalex.org/I2801658355","display_name":"Office National d'\u00c9tudes et de Recherches A\u00e9rospatiales","ror":"https://ror.org/005y2ap84","country_code":"FR","type":"facility","lineage":["https://openalex.org/I2801658355"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"P. Dubois-Fernandez","raw_affiliation_strings":["Electromagnetics and RADAR division, office National d''\u00c9tude et de Recherches A\u00e9rospatiales, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electromagnetics and RADAR division, office National d''\u00c9tude et de Recherches A\u00e9rospatiales, France","institution_ids":["https://openalex.org/I2801658355"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023173747","display_name":"Xavier Dupuis","orcid":"https://orcid.org/0000-0002-5521-4028"},"institutions":[{"id":"https://openalex.org/I2801658355","display_name":"Office National d'\u00c9tudes et de Recherches A\u00e9rospatiales","ror":"https://ror.org/005y2ap84","country_code":"FR","type":"facility","lineage":["https://openalex.org/I2801658355"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"X. Dupuis","raw_affiliation_strings":["Electromagnetics and RADAR division, office National d''\u00c9tude et de Recherches A\u00e9rospatiales, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electromagnetics and RADAR division, office National d''\u00c9tude et de Recherches A\u00e9rospatiales, France","institution_ids":["https://openalex.org/I2801658355"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2801658355"],"apc_list":null,"apc_paid":null,"fwci":10.3444,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.97925746,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"2799","last_page":"2802"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9990000128746033,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9986000061035156,"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/T12983","display_name":"Satellite Image Processing and Photogrammetry","score":0.9097999930381775,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.662315845489502},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5658055543899536},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5227927565574646},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5191280245780945},{"id":"https://openalex.org/keywords/radio-spectrum","display_name":"Radio spectrum","score":0.5038456320762634},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4820000231266022},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.4676719903945923},{"id":"https://openalex.org/keywords/frequency-band","display_name":"Frequency band","score":0.4543421268463135},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44960126280784607},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.44073018431663513},{"id":"https://openalex.org/keywords/data-acquisition","display_name":"Data acquisition","score":0.4257740378379822},{"id":"https://openalex.org/keywords/aperture","display_name":"Aperture (computer memory)","score":0.42236271500587463},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.39431461691856384},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.36116737127304077},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.27132636308670044},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.24653956294059753},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22765642404556274},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2159450352191925},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.1415419578552246}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.662315845489502},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5658055543899536},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5227927565574646},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5191280245780945},{"id":"https://openalex.org/C92545706","wikidata":"https://www.wikidata.org/wiki/Q902174","display_name":"Radio spectrum","level":2,"score":0.5038456320762634},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4820000231266022},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.4676719903945923},{"id":"https://openalex.org/C2778116611","wikidata":"https://www.wikidata.org/wiki/Q25110567","display_name":"Frequency band","level":3,"score":0.4543421268463135},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44960126280784607},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.44073018431663513},{"id":"https://openalex.org/C163985040","wikidata":"https://www.wikidata.org/wiki/Q1172399","display_name":"Data acquisition","level":2,"score":0.4257740378379822},{"id":"https://openalex.org/C78336883","wikidata":"https://www.wikidata.org/wiki/Q4779385","display_name":"Aperture (computer memory)","level":2,"score":0.42236271500587463},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.39431461691856384},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.36116737127304077},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27132636308670044},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.24653956294059753},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22765642404556274},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2159450352191925},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.1415419578552246},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"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":1,"locations":[{"id":"doi:10.1109/igarss.2005.1525649","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2005.1525649","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W1581490604","https://openalex.org/W2101764142"],"related_works":["https://openalex.org/W2540450177","https://openalex.org/W2170580735","https://openalex.org/W1552305638","https://openalex.org/W2112228652","https://openalex.org/W1994788526","https://openalex.org/W1915418828","https://openalex.org/W2613451563","https://openalex.org/W1966299760","https://openalex.org/W2150075356","https://openalex.org/W2007886977"],"abstract_inverted_index":{"The":[0,98],"ONERA":[1,99],"RAMSES":[2,100],"system":[3,8,101,108,327],"is":[4,36,102,128,208,261,292],"a":[5,15,39,42,116,133,283,330],"flexible":[6],"SAR":[7,68,93],"in":[9,79,136,168,178,190,210,251,271],"constant":[10],"evolution":[11],"developed":[12],"mainly":[13],"as":[14,218,242],"test":[16],"bench":[17],"for":[18,26,110,132,278,323,338,345],"new":[19],"technologies":[20],"and":[21,30,67,70,87,113,121,125,139,172,181,212,247,282,289,297,309,326,329],"to":[22,157,225,227],"provide":[23],"specific":[24],"data":[25,236],"target":[27],"detection,":[28],"recognition":[29],"identification":[31],"(TDRI)":[32],"algorithm":[33],"evaluation.":[34],"It":[35],"flown":[37],"on":[38,235],"Transall":[40],"C160,":[41],"twin":[43],"engine":[44],"transport":[45],"aircraft,":[46],"operated":[47],"by":[48],"the":[49,60,63,88,137,252,262,265,269,305,342,350,355],"French":[50],"test-flight":[51],"centre":[52],"(CEV).":[53],"This":[54,255],"paper":[55],"gives":[56],"an":[57,76,103,300,317],"overview":[58],"of":[59,91,119,258,264,268,304,341],"system,":[61,270],"lists":[62],"latest":[64],"upgrading":[65],"(electronic":[66],"processor)":[69],"presents":[71],"recent":[72],"acquisition":[73,112,315],"campaign":[74],"over":[75],"urban":[77],"area":[78],"very":[80],"high":[81,273],"(around":[82],"10":[83],"cm)":[84],"resolution":[85,176],"mode":[86,260],"first":[89],"analysis":[90],"these":[92],"images.":[94],"I.":[95],"SYSTEM":[96],"OVERVIEW":[97],"experimental":[104],"synthetic":[105],"aperture":[106],"radar":[107],"designed":[109],"signal":[111,285],"recording":[114],"under":[115],"wide":[117],"spectrum":[118],"modes":[120,141,165],"frequencies.":[122],"Signal":[123,238],"processing":[124,143],"image":[126,346],"synthesis":[127,325],"done":[129],"off-line":[130,339],"allowing":[131],"large":[134],"flexibility":[135],"waveforms":[138],"operating":[140],"(no":[142],"hardware":[144],"constraints).":[145],"At":[146],"present,":[147],"available":[148,167,209],"frequency":[149,220,245,274,280,288],"bands":[150,254],"range":[151],"from":[152],"400":[153],"MHz":[154],"(P-band)":[155],"up":[156],"95":[158],"GHz":[159],"(W-band).":[160],"Full":[161],"polarimetric":[162],"(switched":[163],"transmit)":[164],"are":[166,222,276,295],"P,":[169],"L,":[170],"C":[171],"X":[173,211],"bands.":[174,184,214],"High":[175],"(10cm)":[177],"X,":[179],"Ka":[180,213],"soon":[182],"Ku":[183],"Along-track":[185],"interferometry":[186],"have":[187],"been":[188],"demonstrated":[189],"P-":[191],"band":[192],"(2":[193],"channels),":[194,197],"L-band":[195],"(3":[196],"X-band":[198],"(4":[199],"channels).":[200],"Across-track":[201],"(with":[202],"passive":[203],"or":[204,366],"alternatively":[205],"transmitting":[206],"channels)":[207],"Simultaneous":[215],"acquisitions":[216],"(such":[217],"dual":[219],"bands)":[221],"possible":[223],"(up":[224],"4":[226],"8":[228],"channel":[229],"\u00d7":[230],"2":[231],"alternating":[232],"recording,":[233],"depending":[234],"rates)":[237],"can":[239],"be":[240],"recorded":[241],"ramp":[243],"demodulated,":[244],"shifted":[246],"even":[248],"direct":[249],"digitising":[250],"lower":[253],"impressive":[256],"choice":[257],"operation":[259],"consequence":[263],"modular":[266],"design":[267],"which":[272],"front-ends":[275],"made":[277],"each":[279],"band,":[281],"common":[284],"generator,":[286],"intermediate":[287],"digitising/recording":[290],"back-end":[291],"used.":[293],"Antennae":[294],"stacked":[296],"positioned":[298],"at":[299],"open":[301],"side":[302],"door":[303],"aircraft":[306],"after":[307],"take-off,":[308],"pulled":[310],"back":[311],"before":[312],"landing.":[313],"Trajectory":[314],"involves":[316],"inertial":[318,334],"navigation":[319],"unit":[320,336],"(INU)":[321],"used":[322],"quicklook":[324],"guidance":[328],"differential":[331],"GPS":[332,351],"hybridized":[333],"measurement":[335],"(IMU)used":[337],"post-processing":[340],"final":[343],"trajectory":[344],"synthesis.":[347],"Along":[348],"with":[349],"ground":[352,356],"reference":[353],"station,":[354],"team":[357],"also":[358],"deploys":[359],"calibrating":[360],"targets":[361],"(corner":[362],"reflectors,":[363],"dihedrals,":[364],"transponders":[365],"Luenberg":[367],"lenses).":[368]},"counts_by_year":[{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}