{"id":"https://openalex.org/W2028328879","doi":"https://doi.org/10.1002/cta.4490060104","title":"Microwave bandpass filters consisting of rectangular waveguides with 1\u2010dimensional offsets","display_name":"Microwave bandpass filters consisting of rectangular waveguides with 1\u2010dimensional offsets","publication_year":1978,"publication_date":"1978-01-01","ids":{"openalex":"https://openalex.org/W2028328879","doi":"https://doi.org/10.1002/cta.4490060104","mag":"2028328879"},"language":"en","primary_location":{"id":"doi:10.1002/cta.4490060104","doi":"https://doi.org/10.1002/cta.4490060104","is_oa":false,"landing_page_url":"https://doi.org/10.1002/cta.4490060104","pdf_url":null,"source":{"id":"https://openalex.org/S92132303","display_name":"International Journal of Circuit Theory and Applications","issn_l":"0098-9886","issn":["0098-9886","1097-007X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Circuit Theory and Applications","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5108956213","display_name":"E. K\u00fchn","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802562207","display_name":"Deutsche Bundespost","ror":"https://ror.org/0150tj573","country_code":"DE","type":"government","lineage":["https://openalex.org/I2802562207"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"E. K\u00fchn","raw_affiliation_strings":["Forschungsinstitut der Deutschen Bundespost, Darmstadt, Federal Republic of Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Forschungsinstitut der Deutschen Bundespost, Darmstadt, Federal Republic of Germany","institution_ids":["https://openalex.org/I2802562207"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5108956213"],"corresponding_institution_ids":["https://openalex.org/I2802562207"],"apc_list":{"value":2780,"currency":"USD","value_usd":2780},"apc_paid":null,"fwci":1.284,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.79137056,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"6","issue":"1","first_page":"13","last_page":"29"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10262","display_name":"Microwave Engineering and Waveguides","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11034","display_name":"Digital Filter Design and Implementation","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/microwave-bandpass-filter","display_name":"microwave bandpass filter","score":0.9599999785423279},{"id":"https://openalex.org/keywords/rectangular-waveguide","display_name":"rectangular waveguide","score":0.9779999852180481},{"id":"https://openalex.org/keywords/equivalent-network-model","display_name":"equivalent network model","score":0.5709999799728394},{"id":"https://openalex.org/keywords/filter-design-formulas","display_name":"filter design formulas","score":0.6389999985694885},{"id":"https://openalex.org/keywords/x-band-filters","display_name":"X-band filters","score":0.7940000295639038}],"concepts":[{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.6894646883010864},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.6720282435417175},{"id":"https://openalex.org/C15627037","wikidata":"https://www.wikidata.org/wiki/Q541961","display_name":"Classification of discontinuities","level":2,"score":0.654323935508728},{"id":"https://openalex.org/C150935588","wikidata":"https://www.wikidata.org/wiki/Q7975356","display_name":"Waveguide filter","level":5,"score":0.4733317494392395},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.4392701983451843},{"id":"https://openalex.org/C33441834","wikidata":"https://www.wikidata.org/wiki/Q693004","display_name":"Transmission line","level":2,"score":0.43120312690734863},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4230788052082062},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.373298704624176},{"id":"https://openalex.org/C175742284","wikidata":"https://www.wikidata.org/wiki/Q1415537","display_name":"Prototype filter","level":4,"score":0.360562264919281},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.35229188203811646},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3462256193161011},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3352101445198059},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3320389986038208},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3081711232662201},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.30368542671203613},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.2934378981590271},{"id":"https://openalex.org/C22597639","wikidata":"https://www.wikidata.org/wiki/Q5449227","display_name":"Filter design","level":3,"score":0.2724820077419281},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.255392462015152},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.15587562322616577},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13927915692329407},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/cta.4490060104","doi":"https://doi.org/10.1002/cta.4490060104","is_oa":false,"landing_page_url":"https://doi.org/10.1002/cta.4490060104","pdf_url":null,"source":{"id":"https://openalex.org/S92132303","display_name":"International Journal of Circuit Theory and Applications","issn_l":"0098-9886","issn":["0098-9886","1097-007X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Circuit Theory and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1511016768","https://openalex.org/W1985007904","https://openalex.org/W1986299777","https://openalex.org/W2026463241","https://openalex.org/W2061479501","https://openalex.org/W2127165162","https://openalex.org/W2138194611"],"related_works":["https://openalex.org/W2022005248","https://openalex.org/W2070730586","https://openalex.org/W2999519962","https://openalex.org/W2364631679","https://openalex.org/W1573236100","https://openalex.org/W2246111572","https://openalex.org/W7036809623","https://openalex.org/W2593079479","https://openalex.org/W2779282293","https://openalex.org/W4306409713"],"abstract_inverted_index":{"Abstract":[0],"The":[1,22,103,118],"computer\u2010aided":[2],"analysis":[3],"and":[4,8,34,52,67],"design":[5,82],"of":[6,25,30,50,65,78,91,111,147],"direct\u2010coupled":[7],"quarter\u2010wave\u2010coupled":[9],"bandpass":[10],"filters":[11],"utilizing":[12],"monomode":[13],"rectangular":[14,56],"waveguides":[15],"with":[16,69,126],"1\u2010dimensional":[17],"offset":[18,149],"discontinuities":[19],"are":[20,61,95,98,116],"described.":[21],"equivalent":[23],"networks":[24],"these":[26],"discontinuities,":[27],"which":[28,97],"consist":[29],"a":[31,89,108],"shunt":[32],"reactance":[33],"additional":[35],"transmission":[36],"lines":[37],"connected":[38],"at":[39],"both":[40],"sides,":[41],"have":[42],"been":[43],"derived":[44],"from":[45],"the":[46,85,92,112,127,141,148],"rigorous":[47],"field\u2010theoretical":[48],"investigations":[49],"E\u2010plane":[51],"H\u2010plane":[53],"displacements":[54],"in":[55,63,140],"waveguide.":[57],"Both":[58],"network":[59],"elements":[60,139],"tabulated":[62],"terms":[64],"geometry":[66,87],"wavelength":[68],"fine":[70],"steps":[71],"to":[72,152],"allow":[73],"accurate":[74],"interpolation":[75],"by":[76],"means":[77],"computational":[79],"methods,":[80],"Simple":[81],"formulae":[83],"for":[84,107],"filter":[86,134],"as":[88],"function":[90],"electrical":[93],"specifications":[94],"given":[96],"based":[99],"upon":[100],"narrow\u2010band":[101],"approximations.":[102],"analytical":[104],"relationships":[105],"required":[106],"computer":[109],"simulation":[110],"filter's":[113],"wide\u2010band":[114],"performance":[115],"summarized.":[117],"predicted":[119],"frequency":[120],"characteristics":[121],"showed":[122],"such":[123],"close":[124],"agreement":[125],"experimental":[128],"results":[129],"obtained":[130],"on":[131],"two":[132],"X\u2010band":[133],"models":[135],"that":[136],"neither":[137],"tuning":[138],"waveguide":[142],"sections":[143],"nor":[144],"final":[145],"adjustments":[146],"widths":[150],"had":[151],"be":[153],"provided.":[154]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}