{"id":"https://openalex.org/W2244987135","doi":"https://doi.org/10.1109/jstars.2015.2507878","title":"Foreword to the Special Issue on Multichannel Space-Based SAR","display_name":"Foreword to the Special Issue on Multichannel Space-Based SAR","publication_year":2015,"publication_date":"2015-11-01","ids":{"openalex":"https://openalex.org/W2244987135","doi":"https://doi.org/10.1109/jstars.2015.2507878","mag":"2244987135"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2015.2507878","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2507878","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/7384408/07384577.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://ieeexplore.ieee.org/ielx7/4609443/7384408/07384577.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059672946","display_name":"Christoph H. Gierull","orcid":"https://orcid.org/0000-0001-5413-1418"},"institutions":[{"id":"https://openalex.org/I1297460800","display_name":"Defence Research and Development Canada","ror":"https://ror.org/00hgy8d33","country_code":"CA","type":"government","lineage":["https://openalex.org/I1297460800","https://openalex.org/I1336338359","https://openalex.org/I2802286613"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Christoph H. Gierull","raw_affiliation_strings":["Defence Research and Development Canada\u2014Ottawa Research Center, Ottawa, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Defence Research and Development Canada\u2014Ottawa Research Center, Ottawa, Canada","institution_ids":["https://openalex.org/I1297460800"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060061713","display_name":"P.W. Vachon","orcid":null},"institutions":[{"id":"https://openalex.org/I1297460800","display_name":"Defence Research and Development Canada","ror":"https://ror.org/00hgy8d33","country_code":"CA","type":"government","lineage":["https://openalex.org/I1297460800","https://openalex.org/I1336338359","https://openalex.org/I2802286613"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Paris W. Vachon","raw_affiliation_strings":["Defence Research and Development Canada\u2014Ottawa Research Center, Ottawa, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Defence Research and Development Canada\u2014Ottawa Research Center, Ottawa, Canada","institution_ids":["https://openalex.org/I1297460800"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1297460800"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":25.6874,"has_fulltext":true,"cited_by_count":16,"citation_normalized_percentile":{"value":0.99024452,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"8","issue":"11","first_page":"4995","last_page":"4997"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9998999834060669,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998000264167786,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9911999702453613,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7748129367828369},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.702497124671936},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5512939691543579},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5081050395965576},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.48593106865882874},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4644235670566559},{"id":"https://openalex.org/keywords/phased-array","display_name":"Phased array","score":0.45538994669914246},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4388814866542816},{"id":"https://openalex.org/keywords/space-based-radar","display_name":"Space-based radar","score":0.43361955881118774},{"id":"https://openalex.org/keywords/special-section","display_name":"Special section","score":0.4140594005584717},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.413012832403183},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.3825222849845886},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3041462302207947},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2761303186416626},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22745457291603088},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16762927174568176}],"concepts":[{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7748129367828369},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.702497124671936},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5512939691543579},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5081050395965576},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.48593106865882874},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4644235670566559},{"id":"https://openalex.org/C55494473","wikidata":"https://www.wikidata.org/wiki/Q727898","display_name":"Phased array","level":3,"score":0.45538994669914246},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4388814866542816},{"id":"https://openalex.org/C36067731","wikidata":"https://www.wikidata.org/wiki/Q7572176","display_name":"Space-based radar","level":5,"score":0.43361955881118774},{"id":"https://openalex.org/C2993458768","wikidata":"https://www.wikidata.org/wiki/Q3477549","display_name":"Special section","level":2,"score":0.4140594005584717},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.413012832403183},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.3825222849845886},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3041462302207947},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2761303186416626},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22745457291603088},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16762927174568176},{"id":"https://openalex.org/C61696701","wikidata":"https://www.wikidata.org/wiki/Q770766","display_name":"Engineering physics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstars.2015.2507878","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2507878","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/7384408/07384577.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/jstars.2015.2507878","is_oa":true,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2507878","pdf_url":"https://ieeexplore.ieee.org/ielx7/4609443/7384408/07384577.pdf","source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.5799999833106995}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2244987135.pdf","grobid_xml":"https://content.openalex.org/works/W2244987135.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W7489460","https://openalex.org/W1993643171","https://openalex.org/W2072800914","https://openalex.org/W2243578182","https://openalex.org/W2244389649","https://openalex.org/W2244612736","https://openalex.org/W2244932757","https://openalex.org/W2245022685","https://openalex.org/W2245174207","https://openalex.org/W2245506015","https://openalex.org/W2246635478","https://openalex.org/W2770350086","https://openalex.org/W6746211881"],"related_works":["https://openalex.org/W2113162338","https://openalex.org/W2135924691","https://openalex.org/W2766192666","https://openalex.org/W2142179688","https://openalex.org/W4245917453","https://openalex.org/W2385030184","https://openalex.org/W2502249732","https://openalex.org/W1989152044","https://openalex.org/W2382300681","https://openalex.org/W4388207922"],"abstract_inverted_index":{"The":[0,64,104],"papers":[1],"in":[2,128],"this":[3,108],"special":[4],"section":[5],"focus":[6],"on":[7,33],"space-based":[8],"synthetic":[9],"aperture":[10],"radar":[11,139],"(SAR)technology.":[12],"With":[13],"the":[14,34,82,87,91,97,123],"advent":[15],"of":[16,38,67,90,107,111],"active":[17],"electronically":[18],"steerable":[19],"phased-array":[20],"SAR":[21,53,62,112],"antennas":[22],"equipped":[23],"with":[24,130],"more":[25],"than":[26],"one":[27],"receive":[28,70],"channel":[29],"(i.e.,":[30],"analog-/digital":[31],"converter)":[32],"most":[35],"recent":[36],"generation":[37,110],"commercial/civilian":[39],"spacecraft,":[40],"such":[41],"as":[42],"RADARSAT-2,":[43],"TerraSAR-X":[44],"&":[45],"TanDEM-X,":[46],"PAZ,":[47],"and":[48,141],"ALOS-2,":[49],"relatively":[50],"mature":[51],"singlechannel":[52],"imaging":[54],"is":[55],"now":[56],"rapidly":[57],"evolving":[58],"into":[59],"advanced,":[60],"multiaperture":[61],"concepts.":[63],"spatial":[65],"diversity":[66],"multiple":[68],"parallel":[69],"channels":[71],"can,":[72],"for":[73],"instance,":[74],"be":[75],"used":[76],"to":[77,85,95,122],"discriminate":[78],"moving":[79],"objects":[80],"from":[81],"stationary":[83],"background,":[84],"determine":[86],"underlying":[88],"topography":[89],"backscattering":[92],"terrain,":[93],"or":[94],"measure":[96],"large-scale":[98],"surface":[99],"motion":[100],"using":[101],"single-pass":[102],"interferometry.":[103],"flexible":[105],"programmability":[106],"newest":[109],"satellites":[113],"offers":[114],"quasi-seamless":[115],"antenna":[116],"beamsteering":[117],"at":[118],"a":[119],"rate":[120],"equivalent":[121],"pulse":[124],"repetition":[125],"frequency":[126],"and,":[127],"conjunction":[129],"sophisticated":[131],"array":[132],"signal":[133],"processing":[134],"algorithms,":[135],"opens":[136],"up":[137],"novel":[138],"concepts":[140],"capabilities":[142],"that":[143],"were":[144],"not":[145],"previously":[146],"possible.":[147]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}