A Compact Sinusoidally Tapered slot Vivaldi Linear Antenna Array for X and Ku band Applications

A Compact Sinusoidally Tapered slot Vivaldi Linear Antenna Array for X and Ku band Applications | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article A Compact Sinusoidally Tapered slot Vivaldi Linear Antenna Array for X and Ku band Applications munagoti bhagya lakshmi, D Vakula This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-2333172/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 23 Jul, 2024 Read the published version in Wireless Personal Communications → Version 1 posted 4 You are reading this latest preprint version Abstract A compact sinusoidal tapered slot Vivaldi antenna is designed for X and Ku band applications. The bandwidth of the antenna is improved with two circular stubs before the tapering. A rectangular slot is included before the two stubs to reduce the aperture width of the antenna. The feed line is then terminated with sectorial stub to have better coupling to the slot. The profile of the tapering of slot is designed as sinusoidal variation to have good end fire radiation for the entire frequency range. The simulated single antenna has return loss less than -10 dB in between the frequencies 8.2-20 GHz. A five-element linear array is designed, simulated and prototype model is fabricated. The simulated and experimental results show return loss is less than -7.5 dB for the frequency range of 8.1-20 GHz. The maximum gain of single element and array is 4.6 dBi & 7 dBi respectively. The Co and cross polarization radiation patterns are measured. The designed Vivaldi antenna array is used in electronic warfare and phased array applications. Sinusoidally Tapered Vivaldi Modified slotted structure Bandwidth Cross polarization Gain Electronic warfare applications. Full Text Supplementary Files Author.pdf Cite Share Download PDF Status: Published Journal Publication published 23 Jul, 2024 Read the published version in Wireless Personal Communications → Version 1 posted Reviewers agreed at journal 17 Aug, 2023 Reviewers invited by journal 03 Dec, 2022 Editor assigned by journal 01 Dec, 2022 First submitted to journal 01 Dec, 2022 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-2333172","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":157170934,"identity":"1962119e-9b12-4721-b53e-6d31785fefd7","order_by":0,"name":"munagoti bhagya lakshmi","email":"data:image/png;base64,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","orcid":"https://orcid.org/0000-0001-6228-6751","institution":"VNR Vignana Jyothi Institute of Engineering and Technology","correspondingAuthor":true,"prefix":"","firstName":"munagoti","middleName":"bhagya","lastName":"lakshmi","suffix":""},{"id":157170935,"identity":"2e7e9fc7-adce-4459-889b-9f02bc051b2b","order_by":1,"name":"D Vakula","email":"","orcid":"","institution":"National Institute of Technology Warangal","correspondingAuthor":false,"prefix":"","firstName":"D","middleName":"","lastName":"Vakula","suffix":""}],"badges":[],"createdAt":"2022-12-01 10:27:36","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-2333172/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-2333172/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1007/s11277-024-11497-2","type":"published","date":"2024-07-23T16:15:51+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":61596360,"identity":"f0cbb93c-e386-4b35-920a-9cc0f16b69f9","added_by":"auto","created_at":"2024-08-01 17:26:49","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":919322,"visible":true,"origin":"","legend":"","description":"","filename":"wpcjournalpaper11222.pdf","url":"https://assets-eu.researchsquare.com/files/rs-2333172/v1_covered_958ebff5-b838-422a-8854-1ef582131c94.pdf"},{"id":29950809,"identity":"6787dfa4-6dd0-4f4b-9b16-4beec4e3a3d3","added_by":"auto","created_at":"2022-12-06 09:40:21","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"supplement","size":112085,"visible":true,"origin":"","legend":"","description":"","filename":"Author.pdf","url":"https://assets-eu.researchsquare.com/files/rs-2333172/v1/894e8fbb874372dcf1da4821.pdf"}],"financialInterests":"","formattedTitle":"A Compact Sinusoidally Tapered slot Vivaldi Linear Antenna Array for X and Ku band Applications","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"wireless-personal-communications","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"wire","sideBox":"Learn more about [Wireless Personal Communications](https://www.springer.com/journal/11277)","snPcode":"11277","submissionUrl":"https://submission.nature.com/new-submission/11277/3","title":"Wireless Personal Communications","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"Springer Hybrid","inReviewEnabled":true,"inReviewRevisionsEnabled":false},"keywords":"Sinusoidally Tapered Vivaldi, Modified slotted structure, Bandwidth, Cross polarization, Gain, Electronic warfare applications.","lastPublishedDoi":"10.21203/rs.3.rs-2333172/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-2333172/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"A compact sinusoidal tapered slot Vivaldi antenna is designed for X and Ku band applications. The bandwidth of the antenna is improved with two circular stubs before the tapering. A rectangular slot is included before the two stubs to reduce the aperture width of the antenna. The feed line is then terminated with sectorial stub to have better coupling to the slot. The profile of the tapering of slot is designed as sinusoidal variation to have good end fire radiation for the entire frequency range. The simulated single antenna has return loss less than -10 dB in between the frequencies 8.2-20 GHz. A five-element linear array is designed, simulated and prototype model is fabricated. The simulated and experimental results show return loss is less than -7.5 dB for the frequency range of 8.1-20 GHz. The maximum gain of single element and array is 4.6 dBi \u0026amp; 7 dBi respectively. The Co and cross polarization radiation patterns are measured. 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