Academic literature on the topic 'Microwave antenna element'
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Journal articles on the topic "Microwave antenna element"
ALAM, SYAH, INDRA SURJATI, LYDIA SARI, and JUSTIN TANUWIJAYA. "Antena Mikrostrip Array 8x2 Elemen untuk Aplikasi Radio Gelombang Mikro." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 9, no. 2 (April 4, 2021): 293. http://dx.doi.org/10.26760/elkomika.v9i2.293.
Full textMoradikordalivand, Alishir, Chee Yen Leow, Tharek Abd Rahman, Sepideh Ebrahimi, and Tien Han Chua. "Wideband MIMO antenna system with dual polarization for WiFi and LTE applications." International Journal of Microwave and Wireless Technologies 8, no. 3 (March 4, 2015): 643–50. http://dx.doi.org/10.1017/s175907871500032x.
Full textChoudhary, Vipin, Manoj Kumar Meshram, and Jan Hesselbarth. "Four Elements Reconfigurable MIMO Antenna for Dual Band Applications." International Journal of Advances in Microwave Technology 07, no. 01 (2022): 274–82. http://dx.doi.org/10.32452/ijamt.2022.274282.
Full textSyed, Avez, Nebras Sobahi, Muntasir Sheikh, Raj Mittra, and Hatem Rmili. "Modified 16-Quasi Log Periodic Antenna Array for Microwave Imaging of Breast Cancer Detection." Applied Sciences 12, no. 1 (December 24, 2021): 147. http://dx.doi.org/10.3390/app12010147.
Full textGas, Piotr. "Multi–Frequency Analysis For Interstitial Microwave Hyperthermia Using Multi–Slot Coaxial Antenna." Journal of Electrical Engineering 66, no. 1 (January 1, 2015): 26–33. http://dx.doi.org/10.1515/jee-2015-0004.
Full textWan, Chunfeng, Liyu Xie, Kangqian Xu, Songtao Xue, Can Jiang, Guochun Wan, and Tao Ding. "Transverse deformation effect on sensitivity of strain-sensing patch antenna." International Journal of Distributed Sensor Networks 16, no. 3 (February 29, 2020): 155014772090819. http://dx.doi.org/10.1177/1550147720908192.
Full textTiwari, Rovin, Raghavendra Sharma, and Rahul Dubey. "Microstrip Patch Antenna Array Design Anaylsis for 5G Communication Applications." SMART MOVES JOURNAL IJOSCIENCE 6, no. 5 (May 22, 2020): 1–5. http://dx.doi.org/10.24113/ijoscience.v6i5.287.
Full textVollbracht, D. "Understanding and optimizing microstrip patch antenna cross polarization radiation on element level for demanding phased array antennas in weather radar applications." Advances in Radio Science 13 (November 3, 2015): 251–68. http://dx.doi.org/10.5194/ars-13-251-2015.
Full textChen, Hangyu, Jingcheng Zhao, Tao Hong, Shuli Zheng, Haohui Hong, and Mohamed Cheriet. "A measurement method of fifth-generation multiple-input multiple-output antenna based on microwave imaging." International Journal of Distributed Sensor Networks 16, no. 6 (June 2020): 155014772093714. http://dx.doi.org/10.1177/1550147720937148.
Full textGoyal, Ravi Kumar, and Uma Shankar Modani. "The Four-Element MIMO Antenna Design with Low Mutual Coupling at 28 GHz for 5G Networks." International Journal of Engineering and Advanced Technology 11, no. 4 (April 30, 2022): 45–48. http://dx.doi.org/10.35940/ijeat.d3457.0411422.
Full textDissertations / Theses on the topic "Microwave antenna element"
Jiříček, Zbyněk. "Návrh anténního systému s kruhovou polarizací pro kmitočtové pásmo 2,4 GHz." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217470.
Full textSalah, Adham M. S. "Investigation of Integrated Decoupling Methods for MIMO Antenna Systems. Design, Modelling and Implementation of MIMO Antenna Systems for Different Spectrum Applications with High Port-to-Port Isolation Using Different Decoupling Techniques." Thesis, University of Bradford, 2019. http://hdl.handle.net/10454/18427.
Full textHigher Committee for Education Development in Iraq (HCED)
El, Kanfoud Ibtissam. "Résolution de problèmes de rayonnement électromagnétique appliqués à l’imagerie médicale avec FreeFEM++." Thesis, Université Côte d'Azur (ComUE), 2019. http://www.theses.fr/2019AZUR4000/document.
Full textThe use of microwaves for diagnosis is booming in the medical field. One of the latest applications is the detection of strokes by microwave imaging. The company EMTensor GmbH based in Vienna, Austria is currently studying such a system in collaboration with LEAT, the LJAD of the Côte d’Azur University and the LJLL of Sarbonne University, for the diagnosis and control of the treatement efficiency. The purpose of this work is to model the brain imaging measurement system developed by EMTensor GmbH. It is a transmission/ reception system consisting of 160 antennas arranged in 5 rings of 32 antennas distributed on a cylinder metal tank of semi-open circular section. One of the major issues of this work is the modeling and electromagnetic simulation (EM) of the complete system including a realistic brain model. The difficulty lies both in the size of the EM problem to be simulated beacause of the relationship between the considerable size of the system and the the very small size of certain inhomogeneities within the brain, and the great heterogeneity of the dielectric permittivities present inside the brain. We decided to use an open source software, FreeFem++ for this modelling because it is well adapted to high performance computing through domain decomposition methods, which is mandatory for the complexity of the EM problem. First, we compared the simulation results of the vacuum matching measurement system (without the brain) to the measurements and the results obtained by the FEM-based EM HFSS simulation software to those obtained by FreeFem++. We then simulated a virtual threedimensional head model, from brain imaging system cuts (CT scan and MRI), in partnership with EMTensor, looking for the position and type of stroke (ischemic and hemorragic). The influence of the measurement noise, the value of the adaptation gel used, the coupling between the sensors and the coupling between the head and the sensors are also studied. In order to validate these models, two simple cases have been studied. A large tube and a small plastic tube are fielld with adaptation liquid with the dielectric characteristic of a brain to find the shape of the tubes used by qualitative imaging. Finally, with the MEDIMAX project partners and the EMTensor company we applied a quantitative method to the detection of ischemic stroke by the microwave tomography. The direct problem has been solved with the help of FreeFem++, using hight order elements and parallel preconditioners for the domain decomposition method. We solved the inverse problem by a minimization algorithm, in order to reconstruct tomographic images of the brain in times compatible with medical imperatives defined by clinicians.”
Волошин, Антон Олександрович. "Мікромеханічно перелаштовувані антенні елементи НВЧ." Doctoral thesis, Київ, 2020. https://ela.kpi.ua/handle/123456789/36406.
Full textSmith, Brady Christopher. "MSM photodiode as the switching element in a photoswitch-based class E microwave power amplifier." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5672.
Full textThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 14, 2009) Includes bibliographical references.
Botha, Matthys Michiel. "Efficient finite element electromagnetic analysis of antennas and microwave devices : the FE-BI-FMM formulation and a posteriori error estimation for p adaptive analysis." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52818.
Full textENGLISH ABSTRACT: This document presents a Galerkin FE formulation for the full-wave, frequency domain, electromagnetic analysis of three dimensional structures relevant to microwave engineering, together with the investigation of two techniques to enhance the formulation's computational efficiency. The first technique considered is the fast multi pole method (FMM) and the second technique is adaptive refinement of the discretization, based on a posteriori error estimation. Thus, the motivation for the work presented in this document is to increase the computational efficiency of the FE formulation considered. The FE formulation considered is widely used within the microwave engineering, finite element community. Tetrahedral, rectilinear, curl-conforming, mixed- and full order, hierarchical vector elements are used. The formulation is extended to incorporate a cavity backed aperture employing the appropriate half-space Green function within a BI boundary condition, which represents a specific member of a large class of hybrid FE-BI formulations. The formulation is also extended to model coaxial ports via a Neumann boundary condition, using a priori knowledge of the dominant modal fields. Results are presented in support of the formulation and its extensions, including novel results on the coupling between microstrip patch antennas on a perforated substrate. The FMM is investigated first, with the purpose of optimizing the non-local BI component of the cavity FE-BI formulation, in light of its coupling with the differential equation based, sparse FEM. The FMM results in a partly sparse factorization of the BI contribution to the system matrix. Error control schemes for the FMM are thoroughly reviewed and an additional, novel scheme is empirically devised. The second technique investigated, which is more directly related to the FEM and larger in scope, is the use of a posteriori error estimation, in order to optimize the FE discretization through adaptive refinement. A overview of available a posteriori error estimation techniques in the general FE literature is given as well as a survey of available techniques that are specifically tailored to Maxwell's equations. Two known approaches within the applied mathematics literature are adapted to the FE formulation at hand, resulting in two novel, residual based error estimation procedures for this FE formulation - one explicit in nature and the other implicit. The two error estimators are then used to drive a single p adaptive analysis cycle of the FE formulation, experimentally demonstrating their effectiveness. A quasi-static condition is introduced and successfully used to enhance the adaptive algorithm's effectiveness, independently of the error estimation procedure employed. The novel error estimation schemes and adaptive results represent the main research contributions of this study.
AFRIKAANSE OPSOMMING: Hierdie dokument beskryf 'n Galerkin eindige element (EE) formulering vir die volgolf, frekwensiegebied, elektromagnetiese analise van driedimensionele strukture relevant vir mikrogolfingenieurwese, saam met die ondersoek van twee tegnieke om die numeriese effektiwiteit van die formulering te verbeter. Die eerste tegniek wat ondersoek word, is die vinnige multipooi metode (VMM) en die tweede is die aanpasbare verfyning van die EE diskretisering, gebaseer op a posteriori foutberaming. Dus, die motivering vir hierdie werk is om die numeriese effektiwiteit van die genoemde EE formulering te verbeter. Die bogenoemde EE formulering word algemeen gebruik deur die mikrogolfingenieurswese, eindige element-gemeenskap. Tetrahedriese, reglynige, curl-ondersteunende, hierargiese vektorelemente van gemengde- en volledige ordes word gebruik. Die formulering word uitgebrei om holtes in 'n oneindige grondvlak te kan hanteer, deur gebruik te maak van die toepaslike Green funksie binne 'n grensintegraal (GI) grensvoorwaarde, wat 'n spesifieke lid is van 'n groot klas, hibriede, EE-GI formulerings. Die formulering word ook uitgebrei om koaksiale poorte to modelleer via 'n Neumann grensvoorwaarde, deur die gebruik van a priori kennis van die koaksiale, dominante modus-velde. Resultate word gelewer om die formulering, saam met die uitbreidings daarvan, te ondersteun, insluitende oorspronklike resultate in verband met die koppeling tussen mikrostrook plakantennes op 'n geperforeerde substraat. Die VMM word eerste ondersoek, met die doelom die nie-lokale, GI komponent van die EEGI formulering vir holtes te optimeer, weens die koppeling daarvan met die yl, differensiaalvergelyking- gebaseerde, eindige element-metode. Die VMM lei tot 'n gedeeltelik-yl faktorisering van die GI bydrae tot die algehele matriksvergelyking. Skemas om die VMM fout te beheer word deeglik ondersoek en 'n addisionele, oorspronklike skema word empiries ontwikkel. Die tweede tegniek wat ondersoek word, wat meer direk verband hou met die eindige elementmetode, en van groter omvang is, is die gebruik van a posteriori foutberaming om die EE diskretisasie te optimeer deur middel van aanpasbare verfyning. 'n Oorsig van beskikbare, a posteriori foutberamingstegnieke in die algemene EE literatuur word gegee, asook 'n opname van beskikbare tegnieke wat spesifiek gerig is op Maxwell se vergelykings. Twee bekende benaderings binne die toegepaste wiskunde-literatuur word aangepas by die bogenoemde EE formulering, wat lei tot twee oorspronklike residu-gebaseerde foutberamingstegnieke vir hierdie formulering - een van 'n eksplisiete aard en die ander implisiet. Die twee foutberamingstegnieke word gebruik om 'n enkel, p-aanpasbare analisesiklus aan te dryf, wat die effektiwiteit van die foutberamingstegnieke eksperimenteel demonstreer. 'n Kwasi-statiese vereiste word beskryf en suksesvol gebruik om die aanpasbare algoritme se effektiwiteit te verhoog, onafhanklik van die foutberamingstegniek wat gebruik word. Die oorspronklike foutberamingstegnieke en aanpasbare algoritme-resultate verteenwoordig die hoof navorsingsbydraes van hierdie studie.
"Bandwidth enhancement of microstrip antenna with parasitic element." Chinese University of Hong Kong, 1991. http://library.cuhk.edu.hk/record=b5886993.
Full textThesis (M.Phil.)--Chinese University of Hong Kong, 1992.
Includes bibliographical references (leaves 100-101).
Acknowledgments
Chapter Chapter 1 --- Introduction --- p.1
Chapter Chapter 2 --- Analysis of Linearly Polarized Stacked Rectangular Microstrip Antenna
Chapter 2.1 --- Green's Function Formulation --- p.4
Chapter 2.1.1 --- Field Components --- p.5
Chapter 2.1.2 --- Boundary Conditions --- p.7
Chapter 2.2 --- Galerkin's Method --- p.22
Chapter 2.3 --- Numerical Computation --- p.27
Chapter 2.4 --- Illustrative Results --- p.40
Chapter Chapter 3 --- Analysis of Circularly Polarized Stacked Rectangular Microstrip Antenna
Chapter 3.1 --- The Range of Applications --- p.70
Chapter 3.2 --- Analyzed Results and Discussion --- p.71
Chapter Chapter 4 --- Conclusion --- p.98
Reference --- p.100
Appendix
Chapter A1 --- List of Symbols --- p.102
Chapter A2 --- Publication List of the studies --- p.106
"Finite element analysis of slotline-bowtie junction." 1997. http://library.cuhk.edu.hk/record=b5889131.
Full textThesis (M.Phil.)--Chinese University of Hong Kong, 1997.
Includes bibliographical references (leaves 125-128).
Dedication
Acknowledgements
List of Figure
List of Table
List of Appendix
Chapter 1. --- Introduction
Chapter 1.1 --- Background
Chapter 1.2 --- Ultra-Wide Band Antenna
Chapter 1.3 --- Finite Element Method (FEM)
Chapter 1.3.1 --- Domain Discretization
Chapter 1.3.2 --- Formulation of Variational Method
Chapter 2 --- Theory
Chapter 2.1 --- Variational principles for electromagnetics
Chapter 2.1.1 --- Construction of Functional
Chapter 2.2 --- Artificial Boundary
Chapter 2.2.1 --- Absorbing Boundary Conditions
Chapter 2.2.2 --- Perfectly Matched Layer (PML)
Chapter 2.3 --- Edge Basis Function
Chapter 2.4 --- Slotline Analysis
Chapter 3 --- Implementation of FEM
Chapter 3.1 --- Formulation of Element matrix
Chapter 3.2 --- Mesh Generation
Chapter 3.3 --- Assembly
Chapter 3.4 --- Incorporation of Boundary Conditions
Chapter 3.5 --- Code Implementation
Chapter 4 --- Finite Element Simulations
Chapter 4.1 --- Slotline
Chapter 4.2 --- Artificial Boundary of the domain
Chapter 4.3 --- Slotline Taper Junction
Chapter 4.4 --- Slotline Bowtie Junction
Chapter 5 --- Conclusion
Appendix A1
Appendix A2
Appendix A3
Bibliography
Books on the topic "Microwave antenna element"
A, Chatterjee, and Kempel Leo C, eds. Finite element method for electromagnetics: Antennas, microwave circuits, and scattering applications. New York: IEEE Press, 1998.
Find full text1958-, Lu Yilong, ed. Microwave and optical waveguide analysis by the finite element method. Taunton, Somerset, England: Research Studies Press, 1996.
Find full textOptical control of an 8-element Ka-band phased array using a high-speed optoelectronic interconnect. [Cleveland, Ohio: NASA Lewis Research Center, 1990.
Find full textRobust hybrid finite element methods for antennas and microwave circuits. Ann Arbor, Mich: University of Michigan, Radiation Laboratory, Dept. of Electrical Engineering and Computer Science, 1996.
Find full textUnited States. National Aeronautics and Space Administration., ed. Reconfigurable array of radiating elements (RARE) controlled by light: Interim technical progress report, reporting period 01/14/94 to 04/14/94. [Washington, D.C: National Aeronautics and Space Administration, 1994.
Find full textReconfigurable array of radiating elements (RARE) controlled by light: Interim technical progress report, reporting period 01/14/94 to 04/14/94. [Washington, D.C: National Aeronautics and Space Administration, 1994.
Find full textBook chapters on the topic "Microwave antenna element"
Aluf, Ofer. "Microwave Elements Description and Stability Analysis." In Microwave RF Antennas and Circuits, 155–277. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45427-6_2.
Full textS., Sandhiya, Harini K., Vikas Yatnalli, Devashree Marotkar, and Ganesh Babu T. R. "Design of Bow Tie Antenna for Industrial IoT Application." In Antenna Design for Narrowband IoT, 92–104. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-9315-8.ch007.
Full textKobayashi, Hirokazu. "Horn Antenna." In Advances in Environmental Engineering and Green Technologies, 144–77. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2381-0.ch008.
Full textGoswami, Sivaranjan, Kumaresh Sarmah, Angana Sarma, Kandarpa Kumar Sarma, and Sunandan Baruah. "Design Considerations Pertaining to the Application of Complementary Split Ring Resonators in Microstrip Antennas." In Advances in Computer and Electrical Engineering, 25–56. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7539-9.ch002.
Full textRam, Gopi, Rajib Kar, Durbadal Mandal, and Sakti Prasad Ghoshal. "Collective-Animal-Behaviour-Based Optimized Null Placement in Time-Modulated Linear Antenna Arrays." In Recent Developments in Intelligent Nature-Inspired Computing, 115–32. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2322-2.ch005.
Full textJoel Nounga Njanda, Ange, and Paul Samuel Mandeng. "Co-Design Block PA (Power Amplifier)-Antenna for 5G Application at 28 GHz Frequency Band." In Antenna Systems [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98653.
Full textRamadhan Mohammed, Jafar, and Karam Mudhafar Younus. "Radiation Pattern Synthesis of Planar Arrays Using Parasitic Patches Fed by a Small Number of Active Elements." In Modern Printed-Circuit Antennas. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.88836.
Full textBulashenko, Andrew, and Stepan Piltyay. "MODELLING AND OPTIMIZATION OF WAVEGUIDE POLARIZERS WITH THE ACCOUNT OF IRISES THICKNESS." In Integration of traditional and innovation processes of development of modern science. Publishing House “Baltija Publishing”, 2020. http://dx.doi.org/10.30525/978-9934-26-021-6-34.
Full textConference papers on the topic "Microwave antenna element"
Hsieh, Sung-Nien, and Tah-Hsiung Chu. "A four-element reflecto-nulling antenna array." In 2006 Asia-Pacific Microwave Conference. IEEE, 2006. http://dx.doi.org/10.1109/apmc.2006.4429822.
Full textTeimoori, Khashayar, Ferri Hassani, Agus Pulung Sasmito, and Ali Ghoreishi Madiseh. "Numerical Investigations of the Single-Mode Microwave Treatment Effects on Rock Breakage." In Ampere 2019. Valencia: Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9646.
Full textDu, Jie, Ping Li, and Xiaowei Shi. "A New CTS Antenna Element." In 2019 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2019. http://dx.doi.org/10.1109/icmmt45702.2019.8992377.
Full textMorita, Masanori, and Isao Ohtomo. "LMS adaptive array antenna using circular element arrangement." In 26th European Microwave Conference, 1996. IEEE, 1996. http://dx.doi.org/10.1109/euma.1996.337556.
Full textWincza, Krzysztof, and Slawomir Gruszczynski. "Four-element series-fed antenna subarray for high-frequency antenna applications." In 2007 Asia-Pacific Microwave Conference - (APMC 2007). IEEE, 2007. http://dx.doi.org/10.1109/apmc.2007.4555026.
Full textHuss, L. G., R. Gunnarsson, P. Andersson, and R. Erickson. "A wideband, wide angle scan, microstrip array antenna element." In 2005 European Microwave Conference. IEEE, 2005. http://dx.doi.org/10.1109/eumc.2005.1610360.
Full textSherar, M. D., L. Chin, M. C. Kolios, and A. S. Gladman. "The Effect of Heat Induced Changes in Microwave Tissue Properties on Microwave Thermal Therapy for Prostate Cancer." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0590.
Full textBondarik, A., Dong Suk Jun, Joung Myoun Kim, and Je Hoon Yun. "60 GHz system-on-package antenna array with parasitic microstrip antenna single element." In 2008 Asia Pacific Microwave Conference. IEEE, 2008. http://dx.doi.org/10.1109/apmc.2008.4958125.
Full textMenudier, C., M. Thevenot, E. Arnaud, A. Oueslati, F. Fezai, T. Monediere, N. Chevalier, and S. Reynaud. "Synthesis of a 2D reconfigurable parasitic element antenna." In 2016 46th European Microwave Conference (EuMC). IEEE, 2016. http://dx.doi.org/10.1109/eumc.2016.7824484.
Full textYakimov, A. N., and A. V. Nerobeev. "Optimization of Microwave Antenna Designs Using Finite Element Models." In 2019 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF). IEEE, 2019. http://dx.doi.org/10.1109/weconf.2019.8840598.
Full text