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Relevant bibliographies by topics / Dual circularly polarized antennas

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Dissertations / Theses

Academic literature on the topic 'Dual circularly polarized antennas'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Dissertations / Theses on the topic "Dual circularly polarized antennas"

1

Dorsey, William Mark. "Low Profile, Printed Circuit, Dual-Band, Dual-Polarized Antenna Elements and Arrays." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/26683.

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Dual-band antenna elements that support dual-polarization provide ideal performance for applications including space-based platforms, multifunction radar, wireless communications, and personal electronic devices. In many communications and radar applications, a dual-band, dual-polarization antenna array becomes a requirement in order to produce an electronically steerable, directional beam capable of supporting multiple functions. The multiple polarizations and frequency bands allow the array to generate multiple simultaneous beams to support true multifunction radar. Many of the applications

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2

Maki, Pamela Ruth. "A dual circularly polarized single element microstrip patch antenna." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/49818.

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Thesis (MScEng)--University of Stellenbosch, 2004.<br>ENGLISH ABSTRACT: This thesis discusses the design of a dual circularly polarized single element antenna with special emphasis on achieving a wide bandwidth and high polarization isolation. The aim of the study is to produce an antenna for transmission of colour video signals between a ground station and a low earth orbit satellite. Microstrip patch antennas are suitable for satellite applications because they are light weight, conformal and have a thin profile. However, the antennas' inherent naITOW bandwidth is one of their major d

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3

Ferrando, Rocher Miguel. "Gap Waveguide Array Antennas and Corporate-Feed Networks for mm-Wave band Applications." Doctoral thesis, Universitat Politècnica de València, 2019. http://hdl.handle.net/10251/115933.

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[ES] Esta tesis aborda temas de especial interés en el diseño de antenas en la banda de milimétricas. Hui en dia, implementar components passius per a operar en la banda de mil·limètriques i assegurar el contacte i l'alineament metàl·lic apropiat entre peces, resulta un desafiament complex. Habitualment les línies de transmissió i les guies d'ones metàl·liques són les solucions adoptades, però en el primer cas es presenten pèrdues al ser solucions impreses i en el segon cas un mal contacte metàl·lic comporta fugues de camp. Per tant, s'estan explorant nous conceptes que solucionen estos proble

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4

Morin, Matthew Robertson. "Design and Analysis of Receiver Systems in Satellite Communications and UAV Navigation Radar." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4210.

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The design of a low cost electronically steered array feed (ESAF) is implemented and tested. The ESAF demonstrated satellite tracking capabilities over four degrees. The system was compared to a commercial low-noise block downconverter (LNBF) and was able to receive the signal over a wider angle than the commercial system. Its signal-to-noise ratio (SNR) performance was poor, but a proof of concept for a low cost ESAF used for tracking is demonstrated. Two compact low profile dual circularly polarized (CP) reflector feed antenna designs are also analyzed. One of the designs is a passive antenn

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5

Eck, James Arthur. "Compact Antennas and Arrays for Unmanned Air Systems." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4297.

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A simple and novel dual-CP printed antenna is modelled and measured. The patch antennais small and achieves a low axial ratio without quadrature feeding. The measured pattern showsaxial ratio pattern squinting over frequency. Possible methods of improving the individual element are discussed, as well as an array technique for improving the axial ratio bandwidth. Three endfire printed antenna structures are designed, analyzed, and compared. The comparison includes an analysis of costs of production for the antenna structures in addition to their performance parameters. This analysis concludes t

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6

Holek, Karel. "Mikropásková anténa s kruhovou polarizací s možnosti výběru typu polarizace." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217464.

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The thesis is focused at the design and the execution of a dual-port microstrip circularly-polarized antenna for the frequency of 2.4 GHz. The first part describes general knowledge about microstrip antennas, circularly-polarized, options of power supply, used medium etc. The second part of the thesis deals with the design and simulation of antennas with the use of software called CST Microwave Studio and Zeland IE3D. In the last part, confrontation of simulation and measurement results is provided.

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7

Villegas, Rhonessa I. "Dual polarized miniaturized antennas." Honors in the Major Thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1336.

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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Engineering and Computer Science<br>Electrical Engineering

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8

Edling, Thomas. "Design of circular polarized dual band patch antenna." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-174672.

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At the moment Swedish Transport Administration uses a monitor system that candetect urgent errors as warm ball-bearings and flat wheels etc. with stationarydetectors. To avoid these errors Swedish Transport Administration, UPWIS AB andUppsala University work with a system that will continuously monitoring the train todetect the errors as fast as possible. This will save money in the future for SwedishTransport Administration and all other partners that use the rails.Swedish Transport Administration has already RFID readers beside the rail to detecttrains position. The new monitoring system wil

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9

Dombowsky, P. N. "Circularly polarized rectangular dielectric resonator antennas for personal communications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq22761.pdf.

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10

Allawati, Hassan M. M. "Design and analysis of low profile circularly polarized antennas." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/7093/.

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In the last decade, mobile communication has spread widely and become an essential tool in every day’s life. A tremendous increase in the demand of small Personal Mobile Devices (PMD) has been observed with wide model ranges and applications. This necessitates the design of low profile and compact antennas that can be accommodated in the smaller PMD sizes. This thesis focuses on designing low profile Circularly Polarised (CP) antennas that can be incorporated with these devices. Two types of circularly polarised antennas have been considered; Dielectric Resonator Antennas (DRA) and planar open

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