{"id":"https://openalex.org/W2145324368","doi":"https://doi.org/10.1109/igarss.2003.1293831","title":"Potential of digital beamforming in bi- and multistatic SAR","display_name":"Potential of digital beamforming in bi- and multistatic SAR","publication_year":2004,"publication_date":"2004-05-13","ids":{"openalex":"https://openalex.org/W2145324368","doi":"https://doi.org/10.1109/igarss.2003.1293831","mag":"2145324368"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2003.1293831","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2003.1293831","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)","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/A5038360917","display_name":"Gerhard Krieger","orcid":"https://orcid.org/0000-0002-4548-0285"},"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":true,"raw_author_name":"G. Krieger","raw_affiliation_strings":["Institut f\u00fcr Hochfrequenztechnik und Radarsysteme Deutsches Zentrum f\u00fcr Luft-und Raumfahrt (DLR), Oberpfaffenhofen, Germany","Inst. fur Hochfrequenztechnik und Radarsysteme, Deutsches Zentrum fur Luftund Raumfahrt, Oberpfaffenhofen, Germany"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Hochfrequenztechnik und Radarsysteme Deutsches Zentrum f\u00fcr Luft-und Raumfahrt (DLR), Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Inst. fur Hochfrequenztechnik und Radarsysteme, Deutsches Zentrum fur Luftund Raumfahrt, Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014119546","display_name":"Alberto Moreira","orcid":"https://orcid.org/0000-0002-3436-9653"},"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":"A. Moreira","raw_affiliation_strings":["Institut f\u00fcr Hochfrequenztechnik und Radarsysteme Deutsches Zentrum f\u00fcr Luft-und Raumfahrt (DLR), Oberpfaffenhofen, Germany","Inst. fur Hochfrequenztechnik und Radarsysteme, Deutsches Zentrum fur Luftund Raumfahrt, Oberpfaffenhofen, Germany"],"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Hochfrequenztechnik und Radarsysteme Deutsches Zentrum f\u00fcr Luft-und Raumfahrt (DLR), Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"Inst. fur Hochfrequenztechnik und Radarsysteme, Deutsches Zentrum fur Luftund Raumfahrt, Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5038360917"],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":null,"apc_paid":null,"fwci":13.0904,"has_fulltext":false,"cited_by_count":61,"citation_normalized_percentile":{"value":0.98924562,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"1","issue":null,"first_page":"527","last_page":"529"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":1.0,"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":1.0,"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/T11946","display_name":"Antenna Design and Optimization","score":0.9995999932289124,"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":0.9994999766349792,"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/beamforming","display_name":"Beamforming","score":0.7739962339401245},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.7477956414222717},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7187686562538147},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.5923529863357544},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.5909440517425537},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5787362456321716},{"id":"https://openalex.org/keywords/side-looking-airborne-radar","display_name":"Side looking airborne radar","score":0.5056164264678955},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5040180087089539},{"id":"https://openalex.org/keywords/multistatic-radar","display_name":"Multistatic radar","score":0.4915543496608734},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.47836488485336304},{"id":"https://openalex.org/keywords/inverse-synthetic-aperture-radar","display_name":"Inverse synthetic aperture radar","score":0.4440561830997467},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.3934858441352844},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.35094451904296875},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.24754467606544495},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.24480000138282776},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2210787832736969},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1483067274093628},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09189403057098389},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06330710649490356}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7739962339401245},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.7477956414222717},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7187686562538147},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.5923529863357544},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.5909440517425537},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5787362456321716},{"id":"https://openalex.org/C62282787","wikidata":"https://www.wikidata.org/wiki/Q831483","display_name":"Side looking airborne radar","level":5,"score":0.5056164264678955},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5040180087089539},{"id":"https://openalex.org/C2777585438","wikidata":"https://www.wikidata.org/wiki/Q6935105","display_name":"Multistatic radar","level":5,"score":0.4915543496608734},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.47836488485336304},{"id":"https://openalex.org/C109094680","wikidata":"https://www.wikidata.org/wiki/Q6060432","display_name":"Inverse synthetic aperture radar","level":4,"score":0.4440561830997467},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.3934858441352844},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.35094451904296875},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.24754467606544495},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24480000138282776},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2210787832736969},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1483067274093628},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09189403057098389},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06330710649490356}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2003.1293831","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2003.1293831","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)","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":10,"referenced_works":["https://openalex.org/W13576848","https://openalex.org/W1985053641","https://openalex.org/W2092158277","https://openalex.org/W2108669041","https://openalex.org/W2115018473","https://openalex.org/W2127065135","https://openalex.org/W2131227606","https://openalex.org/W2137570770","https://openalex.org/W6600547917","https://openalex.org/W6812021019"],"related_works":["https://openalex.org/W2135924691","https://openalex.org/W2113162338","https://openalex.org/W2766192666","https://openalex.org/W4245917453","https://openalex.org/W2142179688","https://openalex.org/W2944875443","https://openalex.org/W2385030184","https://openalex.org/W2502249732","https://openalex.org/W1989152044","https://openalex.org/W4239842166"],"abstract_inverted_index":{"Digital":[0],"beamforming":[1,70,86],"on":[2,71],"receive":[3,73],"is":[4,54,59],"an":[5,82],"innovative":[6],"concept":[7],"to":[8,34,40,47,87],"gather":[9],"additional":[10,29],"information":[11,30],"about":[12],"the":[13,20,49,72,112],"direction":[14],"of":[15,22,84],"scattered":[16],"radar":[17,25],"echoes":[18],"during":[19],"acquisition":[21],"synthetic":[23],"aperture":[24,96],"(SAR)":[26],"images.":[27],"This":[28],"can":[31],"be":[32],"used":[33],"suppress":[35],"range":[36],"and":[37,46,103],"azimuth":[38],"ambiguities,":[39],"improve":[41],"geometric":[42],"and/or":[43],"radiometric":[44],"resolution,":[45],"increase":[48],"unambiguous":[50],"swath":[51,109],"width.":[52],"It":[53],"shown":[55],"that":[56],"this":[57],"technique":[58],"especially":[60],"promising":[61],"in":[62,111],"combination":[63],"with":[64,107],"bistatic":[65],"SAR":[66,89,105],"constellations,":[67],"where":[68],"digital":[69,85],"will":[74,91],"allow":[75],"for":[76,97],"more":[77],"compact":[78],"antenna":[79,95],"structures.":[80],"Furthermore,":[81],"extension":[83],"multistatic":[88],"formations":[90],"enable":[92],"a":[93],"reduced":[94],"each":[98],"receiver,":[99],"thereby":[100],"allowing":[101],"cost-effective":[102],"powerful":[104],"missions":[106],"wide":[108],"coverage":[110],"future.":[113]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}