{"id":"https://openalex.org/W4407949523","doi":"https://doi.org/10.1109/access.2025.3545917","title":"Design of a Horizontal and Vertical Polarized Slotted Waveguide Antenna Array for an Airborne Ka-Band Polarimetric Interferometric SAR System","display_name":"Design of a Horizontal and Vertical Polarized Slotted Waveguide Antenna Array for an Airborne Ka-Band Polarimetric Interferometric SAR System","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4407949523","doi":"https://doi.org/10.1109/access.2025.3545917"},"language":"en","primary_location":{"id":"doi:10.1109/access.2025.3545917","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3545917","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2025.3545917","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057735659","display_name":"A Schreiber","orcid":null},"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":"Alicja Schreiber","raw_affiliation_strings":["German Aerospace Center, Microwave and Radar Institute, Oberpfaffenhofen, Germany"],"raw_orcid":"https://orcid.org/0000-0002-9837-7417","affiliations":[{"raw_affiliation_string":"German Aerospace Center, Microwave and Radar Institute, Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089973927","display_name":"Markus Limbach","orcid":"https://orcid.org/0000-0003-3686-5535"},"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":"Markus Limbach","raw_affiliation_strings":["German Aerospace Center, Microwave and Radar Institute, Oberpfaffenhofen, Germany"],"raw_orcid":"https://orcid.org/0000-0003-3686-5535","affiliations":[{"raw_affiliation_string":"German Aerospace Center, Microwave and Radar Institute, Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075608812","display_name":"Bernd Gabler","orcid":"https://orcid.org/0000-0003-1477-1829"},"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":"Bernd Gabler","raw_affiliation_strings":["German Aerospace Center, Microwave and Radar Institute, Oberpfaffenhofen, Germany"],"raw_orcid":"https://orcid.org/0000-0003-1477-1829","affiliations":[{"raw_affiliation_string":"German Aerospace Center, Microwave and Radar Institute, Oberpfaffenhofen, Germany","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2898391981"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":6.9599,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.95356542,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":97},"biblio":{"volume":"13","issue":null,"first_page":"40774","last_page":"40794"},"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":0.9958999752998352,"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":0.9958999752998352,"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":0.9936000108718872,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9657999873161316,"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/interferometry","display_name":"Interferometry","score":0.7641206979751587},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.656470537185669},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5506177544593811},{"id":"https://openalex.org/keywords/ka-band","display_name":"Ka band","score":0.5272608995437622},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5099421739578247},{"id":"https://openalex.org/keywords/waveguide","display_name":"Waveguide","score":0.4553752839565277},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.4376629590988159},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3845065236091614},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18297362327575684},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.16462528705596924},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16288381814956665},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.07476747035980225}],"concepts":[{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.7641206979751587},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.656470537185669},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5506177544593811},{"id":"https://openalex.org/C2777720951","wikidata":"https://www.wikidata.org/wiki/Q967772","display_name":"Ka band","level":2,"score":0.5272608995437622},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5099421739578247},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.4553752839565277},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4376629590988159},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3845065236091614},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18297362327575684},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.16462528705596924},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16288381814956665},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.07476747035980225}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2025.3545917","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3545917","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:elib.dlr.de:213591","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ACCESS.2025.3545917>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Zeitschriftenbeitrag"},{"id":"pmh:oai:doaj.org/article:cd3b2fdae84849e9b15c3496821e81fb","is_oa":true,"landing_page_url":"https://doaj.org/article/cd3b2fdae84849e9b15c3496821e81fb","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 13, Pp 40774-40794 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3545917","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3545917","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.5600000023841858,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1496417372","https://openalex.org/W1963560417","https://openalex.org/W1964266068","https://openalex.org/W1987181133","https://openalex.org/W2017301964","https://openalex.org/W2034492669","https://openalex.org/W2040623249","https://openalex.org/W2079299474","https://openalex.org/W2101437419","https://openalex.org/W2103033143","https://openalex.org/W2107951973","https://openalex.org/W2108981163","https://openalex.org/W2117973536","https://openalex.org/W2118904831","https://openalex.org/W2121730064","https://openalex.org/W2131033425","https://openalex.org/W2134146185","https://openalex.org/W2152427740","https://openalex.org/W2155618100","https://openalex.org/W2161178505","https://openalex.org/W2164813964","https://openalex.org/W2543933896","https://openalex.org/W2546231911","https://openalex.org/W2620831124","https://openalex.org/W2725978918","https://openalex.org/W2903150199","https://openalex.org/W2926850761","https://openalex.org/W2965768629","https://openalex.org/W3021444516","https://openalex.org/W3021850399","https://openalex.org/W3048792064","https://openalex.org/W3155350240","https://openalex.org/W4205717502","https://openalex.org/W4241513341","https://openalex.org/W4254199463","https://openalex.org/W4377009171","https://openalex.org/W4390204027","https://openalex.org/W4399332033","https://openalex.org/W6635387873","https://openalex.org/W6686764054","https://openalex.org/W6719706109","https://openalex.org/W6987101717","https://openalex.org/W7065407641"],"related_works":["https://openalex.org/W2325065740","https://openalex.org/W3191503318","https://openalex.org/W2771281804","https://openalex.org/W2035593284","https://openalex.org/W4401609558","https://openalex.org/W2026860918","https://openalex.org/W2091163199","https://openalex.org/W4285548414","https://openalex.org/W2890655501","https://openalex.org/W2389313026"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"the":[3,52,70,96,109,112,132,152,163,181,232],"design":[4,101,217],"of":[5,33,65,111,122,154],"a":[6,16,38,63,185,192,201,206,227],"fully":[7],"polarimetric":[8],"low-profile":[9],"antenna":[10,29,54,74,84,120,144],"array":[11],"intended":[12],"for":[13,86,212],"use":[14],"in":[15,62],"side-looking":[17],"airborne":[18],"synthetic":[19],"aperture":[20],"radar":[21],"(SAR)":[22],"sensor":[23],"operating":[24],"at":[25],"Ka-band.":[26],"The":[27,73,117,136,143,215],"proposed":[28,53,216],"provides":[30],"maximum":[31],"gain":[32],"up":[34],"to":[35,176],"23":[36],"dB,":[37],"low":[39],"side":[40,92,94],"lobe":[41],"level":[42],"and":[43,58,114,191],"high":[44],"cross-polarization":[45],"suppression":[46],"values":[47],"exceeding":[48],"38":[49],"dB.":[50],"Furthermore,":[51],"demonstrates":[55],"robust":[56],"behavior":[57],"stable":[59],"electrical":[60,113],"performance":[61],"variety":[64],"environmental":[66],"conditions":[67],"encountered":[68],"during":[69],"measurement":[71],"campaigns.":[72],"system":[75],"was":[76,102,210,218],"designed":[77,175],"using":[78],"slotted":[79],"waveguide":[80,134,165,195],"technology,":[81],"comprising":[82,126,157],"separate":[83],"arrays":[85],"each":[87,125],"polarization,":[88],"which":[89,225],"were":[90,174,197],"mounted":[91],"by":[93,220],"on":[95,105],"aircraft":[97],"platform.":[98],"An":[99],"appropriate":[100],"developed":[103],"based":[104],"theoretical":[106],"analysis,":[107],"considering":[108],"specifications":[110],"mechanical":[115],"systems.":[116],"horizontally":[118,182],"polarized":[119,147,183],"consists":[121],"four":[123,155],"subarrays,":[124,156],"22":[127],"transverse":[128],"slots":[129],"cut":[130],"into":[131],"narrow":[133],"wall.":[135,166],"alternately":[137],"placed":[138],"iris":[139],"pairs":[140],"enable":[141],"radiation.":[142],"with":[145,170,205,231],"vertically":[146],"radiation":[148],"is":[149],"realized":[150],"through":[151],"implementation":[153],"18":[158],"longitudinal":[159],"slots,":[160],"situated":[161],"within":[162],"broad":[164],"Appropriate":[167],"feeding":[168],"networks":[169],"unbalanced":[171],"amplitude":[172,208],"distributions":[173],"feed":[177],"both":[178],"arrays.":[179],"For":[180],"antenna,":[184],"conventional":[186],"H-plane":[187,203],"T-junction":[188,204],"power":[189],"divider":[190],"Bethe-hole":[193],"directional":[194],"coupler":[196],"used.":[198],"In":[199],"contrast,":[200],"two-stage":[202],"non-uniform":[207],"taper":[209],"applied":[211],"vertical":[213],"polarization.":[214],"validated":[219],"compact":[221],"test":[222],"range":[223],"measurements,":[224],"demonstrated":[226],"very":[228],"good":[229],"agreement":[230],"simulation":[233],"results.":[234]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}