Literatura académica sobre el tema "Characteristic mode theory"
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Artículos de revistas sobre el tema "Characteristic mode theory"
Ren, Wenhua, Fan Wang y Guobin Ren. "Mode Coupling Analysis for a Mode Selective Coupler Using the Supermode Theory". Photonics 9, n.º 2 (25 de enero de 2022): 63. http://dx.doi.org/10.3390/photonics9020063.
Texto completoGhalib, Asim y Mohammad S. Sharawi. "New antenna mode generation based on theory of characteristic modes". International Journal of RF and Microwave Computer-Aided Engineering 29, n.º 6 (31 de diciembre de 2018): e21686. http://dx.doi.org/10.1002/mmce.21686.
Texto completoLi, Weiwen, Yongcong Liu, Jie Li, Longfang Ye y Qing Huo Liu. "Modal Proportion Analysis in Antenna Characteristic Mode Theory". International Journal of Antennas and Propagation 2019 (13 de febrero de 2019): 1–10. http://dx.doi.org/10.1155/2019/7069230.
Texto completoparvin, Mostafa, Javad Ahmadi-Shokouh y Hamideh Dashti. "Systematic feed locating in multi-mode MIMO antennas using characteristic mode theory". AEU - International Journal of Electronics and Communications 126 (noviembre de 2020): 153399. http://dx.doi.org/10.1016/j.aeue.2020.153399.
Texto completoDai, Qi I., Qin S. Liu, Hui U. I. Gan y Weng Cho Chew. "Combined Field Integral Equation-Based Theory of Characteristic Mode". IEEE Transactions on Antennas and Propagation 63, n.º 9 (septiembre de 2015): 3973–81. http://dx.doi.org/10.1109/tap.2015.2452938.
Texto completoKovtun, Andrei, Emin Nugaev y Andrey Shkerin. "Characteristic modes of vibration of Q-balls". EPJ Web of Conferences 191 (2018): 06018. http://dx.doi.org/10.1051/epjconf/201819106018.
Texto completoYan, Sen y Guy A. E. Vandenbosch. "Design of Wideband Button Antenna Based on Characteristic Mode Theory". IEEE Transactions on Biomedical Circuits and Systems 12, n.º 6 (diciembre de 2018): 1383–91. http://dx.doi.org/10.1109/tbcas.2018.2857466.
Texto completoLv, Hai Wei, Ying Hui Li y Liang Li. "Dynamic Characteristic of Axially Moving Soft Sandwich Beam". Advanced Materials Research 702 (mayo de 2013): 275–79. http://dx.doi.org/10.4028/www.scientific.net/amr.702.275.
Texto completoHaykir, Y. y O. A. Civi. "Characteristic Mode Analysis of Unit Cells of Metal-Only Infinite Arrays". Advanced Electromagnetics 8, n.º 2 (5 de septiembre de 2019): 134–42. http://dx.doi.org/10.7716/aem.v8i2.1014.
Texto completoZhong, Hua, Junhong Yu y Hanzheng Ran. "Characteristic Model-Based Discrete Adaptive Sliding Mode Control for System with Time Delay". International Journal of Automation Technology 10, n.º 2 (4 de marzo de 2016): 282–87. http://dx.doi.org/10.20965/ijat.2016.p0282.
Texto completoTesis sobre el tema "Characteristic mode theory"
Chukwuka, Ozuem Anthony. "Performance enhancement of integrated antennas using metamaterials and characteristic mode theory". Thesis, Lille 1, 2020. http://www.theses.fr/2020LIL1I039.
Texto completoThe demand for miniaturized mobile wireless systems have increased the need to integrate electrically small antennas which are generally characterized by poor performances and low efficiency. Methods such as the use of dielectric, slots, parasitic components, … have been applied over the years to enhance the performance of such antennas. However they are empirical and based on time-consuming optimisations. Other methods like antenna current optimization based on modal analysis are systematic methods which have been proposed. It has also been shown that the use of artificial materials known as metamaterial inclusions as parasitic element help to improve antenna performance at lower cost. The choice of the right inclusion for an antenna design is complicated especially when the antenna is non-canonical and arbitrary.In this thesis, we propose a systematic method for enhancing the performance of antenna using metamaterial inclusion as a parasitic element. The method is used for designing parasitic metamaterial antenna with the potential to analyse both the radiation and scattering properties of the parasitic metamaterial design. It uses the characteristic modal method to evaluate the quantitative stored energy of metamaterial inclusions which provide quantitative information on the near-field behaviour of the inclusion. The modal stored energy method is compared to the effective parameter method for describing inclusions and they both show good qualitative agreement. In the parasitic metamaterial antenna design process, characteristic mode is applied to get an insight into the radiation properties of the structure and an inclusion is chosen to compensate the stored energy of the antenna element based on the quantity of its modal stored energy. The coupling between the antenna and the inclusion is analysed using the inter-modal coupling co-efficient. It represents the scattering between the antenna and the inclusion and defines how the positioning and separation distance between the two elements affect the overall performance of the metamaterial-inspired system. The proposed methodology is validated with a prototype that show a good agreement between the simulated and measured result. The method is further applied in investigating the enhancement of integrated antenna using electromagnetic cloaking. The cloak couples to the passive element in its vicinity and allow the active antenna element to operate with a better radiation efficiency. The proposed method show usefulness for future design of parasitic metamaterial systems with enhanced performance
Kari, Nadia. "Design methodology and modal analysis of electricallysmall antennas integrated in lossy dielectric media". Electronic Thesis or Diss., Université Gustave Eiffel, 2023. http://www.theses.fr/2023UEFL2024.
Texto completoThe demand for miniaturized wireless and autonomous communication system has climbed thanks to the wide need of wireless technologies for the monitoring of infrastructures health of our cities, in marine or in the bio-medical field … However, miniaturized antennas are generally characterized by low efficiencies and poor performances and with the presence of lossy media in the vicinity, enhancing its efficiencies becomes not straightforward task. Methods developed to enhance the performance of electrically small antennas ESAs are generally focused on one of the antenna key parameters since there is a compromise trade-off between the size, bandwidth, impedance matching and radiation efficiency. Most of these methods require trial and error and rely on understanding the physical mechanism of the ESA. Moreover, they are limited to canonical structures. On the other hand, there are methods based on the evaluation of the net energy stored in the near field region. By minimizing this stored energy, the quality factor can be enhanced and the radiation mechanism can be improved. These methods are principally based on the use of modal analysis that decompose the surface current response into modes and to extract the eigenvalues and eigenvectors of each mode. It has also been shown that the use of the artificial materials known as metamaterials can play a key role in energy compensation (magnetic coupled to electrical energy and vice versa). It could enhance efficiency, thus mitigating power effects. To date, these methods have been proposed for ESAs radiating in free space.The aim of this thesis is therefore to propose a general method for designing, analyzing andimproving ESAs radiating into lossy media. This work is based on the evaluation of the netstored energy method and the use of the metamaterials for mitigating the effects of losses.Modal methods are also investigated thanks to their useful and powerful metrics for analyzing the electromagnetic response of the structure in the near and far-field regions. The Expansion Eigen Method EEM is used to evaluate the different metrics such as the eigenmodes, eigencurrents and net stored energy to have a full information about the electromagnetic response of the antenna when it is placed in lossy media. The multi-layer substrate model is used to design the surrounding environment and each layer has the dielectric properties that correspond to the host bodies while keeping the 3D radiating structure. The use of the multi-layer substrate model is to avoid the time consuming issue of classical 3D methods. The proposed generic method show usefulness for designing and analyzing of parasitic metamaterials systems to enhance electrically small antennas in complex and lossy media
Cabedo, Fabrés Marta. "Systematic design of antennas using the theory of characteristic modes". Doctoral thesis, Universitat Politècnica de València, 2008. http://hdl.handle.net/10251/1883.
Texto completoCabedo Fabrés, M. (2007). Systematic design of antennas using the theory of characteristic modes [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/1883
Palancia
Elghannai, Ezdeen Ahmed. "NOVEL METHOD TO CONTROL ANTENNA CURRENTS BASED ON THEORY OF CHARACTERISTIC MODES". The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471871173.
Texto completoWright, Seth. "Competence, Warmth, And Expectations: An Integration Of Status Characteristics Theory And The Stereotype Content Model". Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/556454.
Texto completoStrojny, Brandan Thomas. "EXCITATION AND ANALYSIS OF CHARACTERISTIC MODES ON COMPLEX ANTENNA STRUCTURES". The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1301006813.
Texto completoLiu, Duixian. "Some relationships between characteristic modes and Inagaki modes for use in scattering and radiation problems". Connect to resource, 1986. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1144430762.
Texto completoObeidat, Khaled Ahmad. "Design Methodology for Wideband Electrically Small Antennas (ESA) Based on the Theory of Characteristic Modes (CM)". The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1274730653.
Texto completoBuhr, Dianne C. "Variability in the estimation of item option characteristic curves for the multiple-category scoring model". Gainesville, FL, 1989. http://www.archive.org/details/variabilityinest00buhr.
Texto completoRabah, Mhamad Hassanein. "Design methodology of antennas based on metamaterials and the theory of characteristic modes : application to cognitive radio". Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10141.
Texto completoThe rise of wireless communication systems and the big demand of high bit rate links have entailed researches to lie over new communications systems. With this diversity of wireless systems, flexibility for operating between different standards is strongly needed. Cognitive radio (CR) consist the future system that can offer this flexibility. The new features of CRs remains many challenges to their antennas. Miniaturization, isolation and bandwidth improvement, are all real needs and effective challenges. Especially when the geometry of the antenna become more complex in order to fit the terminal chassis. The use of metamaterials (MTM) has been introduced to overcome physics limitations in order to undertake these needs. The analysis of MTM in presence of radiating elements such antennas prove to be a challenge. In this thesis, an new approach to address these challenges is proposed. It is based on a modal concept using the theory of characteristic modes (TCM). It proves to be useful to analyse and design of electrically small antenna (ESA), metamaterial-inspired antennas and metamaterial-based antennas. Furthermore, the same approach is used to evaluate the antenna performances when surrounded by complex artificial materials by proposing closed formulas for the quality factor. This remains into a huge advantage in the antenna shape optimisation in the antenna industry. As a proof of concept, an extremely-wide-band antenna for underlay CR (sensing antenna) is developed using the proposed approach in order to have stable radiation pattern an high efficiency in the electrically small regime. An experimental validation of the performances of all the presented designs is also provided
Libros sobre el tema "Characteristic mode theory"
Chen, Yikai. Characteristics modes: Theory and applications in antenna engineering. Hoboken, New Jersey: John Wiley and Sons, Inc., 2015.
Buscar texto completoCaractérisation et les modes de la narration dans le roman moderne: Théorie de narratologie caractérologique. New York: P. Lang, 1994.
Buscar texto completoFranklin, James A. Revised simulation model of the control system, displays, and propulsion system for an ASTOVL lift fan aircraft. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1997.
Buscar texto completoShishkin, Aleksey. Methods of digital processing and speech recognition. ru: INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1904325.
Texto completoYudaev, Vasiliy. Hydraulics. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/996354.
Texto completoSitnova, Irina, Vladimir Yadov y Svetlana Kirdina-Chendler. Institutional changes in modern Russia: activist-activity approach. ru: INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1871442.
Texto completoMistrorigo, Alessandro. Phonodia. Venice: Edizioni Ca' Foscari, 2018. http://dx.doi.org/10.30687/978-88-6969-236-9.
Texto completoChen, Yikai y Chao-Fu Wang. Characteristic Modes: Theory and Applications in Antenna Engineering. Wiley & Sons, Incorporated, John, 2015.
Buscar texto completoChen, Yikai y Chao-Fu Wang. Characteristic Modes: Theory and Applications in Antenna Engineering. Wiley & Sons, Incorporated, John, 2015.
Buscar texto completoChen, Yikai y Chao-Fu Wang. Characteristic Modes: Theory and Applications in Antenna Engineering. Wiley & Sons, Limited, John, 2015.
Buscar texto completoCapítulos de libros sobre el tema "Characteristic mode theory"
Wu, Borui, Lubin Hang, Jiyou Peng, Renhui Peng y Xiaobo Huang. "Multi-mode Motion Analysis of Sideward Opening Aircraft Door Based on Position and Orientation Characteristic Theory". En Advances in Asian Mechanism and Machine Science, 335–41. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-91892-7_31.
Texto completoDhara, Reshmi. "Circular Polarized Octal Band CPW-Fed Antenna Using Theory of Characteristic Mode for Wireless Communication Applications". En Lecture Notes in Electrical Engineering, 193–210. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0289-4_15.
Texto completoSelten, Reinhard. "A Noncooperative Model of Characteristic-Function Bargaining". En Theory and Decision Library C, 247–67. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-015-7774-8_9.
Texto completoVeshkurtsev, Yury. "COMPUTER SIMULATION OF THE MODEM". En THE FOUNDATIONS OF THE THEORY OF CONSTRUCTION OF NEW-GENERATION MODEMS, 142–55. au: AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_628a89252ca618.76723701.
Texto completoShuai, Zhikang. "Time-Scale Model Reduction of Microgrid Based on Singular Perturbation Theory". En Transient Characteristics, Modelling and Stability Analysis of Microgird, 133–60. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8403-9_6.
Texto completoShuai, Zhikang. "Spatial-Scale Model Reduction of Multi-Microgrid Based on Dynamic Equivalent Theory". En Transient Characteristics, Modelling and Stability Analysis of Microgird, 161–84. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8403-9_7.
Texto completoVeshkurtsev, Yury. "NOISE IMMUNITY OF THE MODEM IN THE CHANNEL WITH "WHITE" NOISE". En THE FOUNDATIONS OF THE THEORY OF CONSTRUCTION OF NEW-GENERATION MODEMS, 48–98. au: AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_628a89252a3fa2.30236651.
Texto completoVeshkurtsev, Yury. "NOISE IMMUNITY OF THE MODEM IN THE CHANNEL WITH "NON- WHITE" NOISE". En THE FOUNDATIONS OF THE THEORY OF CONSTRUCTION OF NEW-GENERATION MODEMS, 99–141. au: AUS PUBLISHERS, 2022. http://dx.doi.org/10.26526/chapter_628a89252b5337.85338589.
Texto completoKlinkenberg, Edwin L. "A Logistic IRT Model for Decreasing and Increasing Item Characteristic Curves". En Essays on Item Response Theory, 173–92. New York, NY: Springer New York, 2001. http://dx.doi.org/10.1007/978-1-4613-0169-1_10.
Texto completoDavison, Edward J. y Amir G. Aghdam. "Characterization and Calculation of Approximate Decentralized Fixed Modes (ADFMs)". En Advances in Statistical Control, Algebraic Systems Theory, and Dynamic Systems Characteristics, 223–44. Boston, MA: Birkhäuser Boston, 2008. http://dx.doi.org/10.1007/978-0-8176-4795-7_11.
Texto completoActas de conferencias sobre el tema "Characteristic mode theory"
Pang, Hui, Juan Xu y Jianping Zhao. "Wideband Slot Antenna with Characteristic Mode Theory". En 2022 International Applied Computational Electromagnetics Society Symposium (ACES-China). IEEE, 2022. http://dx.doi.org/10.1109/aces-china56081.2022.10064748.
Texto completoDai, Qi I. y Weng Cho Chew. "On the low frequency theory of characteristic mode". En 2015 IEEE 24th Electrical Performance of Electronic Packaging and Systems (EPEPS). IEEE, 2015. http://dx.doi.org/10.1109/epeps.2015.7347124.
Texto completoChen, Yikai y Shiwen Yang. "Characteristic mode theory for antennas with multilayered media". En 2016 Progress in Electromagnetic Research Symposium (PIERS). IEEE, 2016. http://dx.doi.org/10.1109/piers.2016.7734504.
Texto completoSai Ho Yeung y Chao-Fu Wang. "Characteristic Mode Theory for Practical HF Antenna Design". En 12th European Conference on Antennas and Propagation (EuCAP 2018). Institution of Engineering and Technology, 2018. http://dx.doi.org/10.1049/cp.2018.0752.
Texto completoDai, Qi I. y Weng Cho Chew. "On the low frequency theory of characteristic mode". En 2016 IEEE Electrical Design of Advanced Packaging and Systems (EDAPS). IEEE, 2016. http://dx.doi.org/10.1109/edaps.2016.7874403.
Texto completoWang, Chao-Fu. "Recent development of characteristic mode theory and its applications". En 2016 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM). IEEE, 2016. http://dx.doi.org/10.1109/iwem.2016.7505012.
Texto completoBeni, Takaaki y Hiroyuki Arai. "Selective Excitation of Platform Eigenmodes Using Characteristic Mode Theory". En 2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM). IEEE, 2020. http://dx.doi.org/10.1109/iwem49354.2020.9237445.
Texto completoDai, Qi I., Hui Gan, Weng Cho Chew, Qin S. Liu y Sheng Sun. "Characteristic mode theory based on combined field integral equation". En 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2015. http://dx.doi.org/10.1109/aps.2015.7304970.
Texto completoLi, H., S. Sun y B. Wang. "Automatic feeding arrangement based on theory of characteristic mode". En 2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP). IEEE, 2017. http://dx.doi.org/10.1109/apcap.2017.8420519.
Texto completoMiao, Liu, Lu Zhong Liang y Peng Qiang. "Metasurface Broadband Circularly Polarized Antenna with Characteristic Mode Theory". En 2021 International Conference on Communications, Information System and Computer Engineering (CISCE). IEEE, 2021. http://dx.doi.org/10.1109/cisce52179.2021.9446009.
Texto completoInformes sobre el tema "Characteristic mode theory"
Handa, Sudhanshu, Zhiyuan Liu, Gelson Tembo, Clement Adamba y Peter Mvula. An empirically driven theory of poverty reduction. Centre for Excellence and Development Impact and Learning (CEDIL), febrero de 2023. http://dx.doi.org/10.51744/crpp4.
Texto completoForero-Alvarado, Santiago, Nicolás Moreno-Arias y Juan J. Ospina-Tejeiro. Humans Against Virus or Humans Against Humans: A Game Theory Approach to the COVID-19 Pandemic. Banco de la República, mayo de 2021. http://dx.doi.org/10.32468/be.1160.
Texto completoClark, Andrew E. Demography and well-being. Verlag der Österreichischen Akademie der Wissenschaften, enero de 2021. http://dx.doi.org/10.1553/populationyearbook2021.deb02.
Texto completoTanny, Josef, Gabriel Katul, Shabtai Cohen y Meir Teitel. Application of Turbulent Transport Techniques for Quantifying Whole Canopy Evapotranspiration in Large Agricultural Structures: Measurement and Theory. United States Department of Agriculture, enero de 2011. http://dx.doi.org/10.32747/2011.7592121.bard.
Texto completoO’Reilly, Jacqueline y Rachel Verdin. Measuring the size, characteristics and consequences of digital work. Digital Futures at Work Research Centre, febrero de 2022. http://dx.doi.org/10.20919/whfq8202.
Texto completoPasimeni, Francesco y Tommaso Ciarli. Reducing environmental impact through shared ownership: A model of consumer behaviour. UNU-MERIT, mayo de 2023. http://dx.doi.org/10.53330/bxen6934.
Texto completoSchultz, Timothy, Michael Zhou, Jodi Gray, Jackie Roseleur, Richard Clark, Dylan Mordaunt y Peter Hibbert. Patient characteristics and interventions associated with complaints and medico-legal claims. The Sax Institute, noviembre de 2022. http://dx.doi.org/10.57022/lioq6047.
Texto completoGlennie, Alex, Nyangala Zolho y Hugo Cuello. A Comparison of the Characteristics of TAFTIE and RELAI Innovation Agencies. Inter-American Development Bank, noviembre de 2022. http://dx.doi.org/10.18235/0004551.
Texto completoSabogal-Cardona, Orlando, Lynn Scholl, Daniel Oviedo, Amado Crotte y Felipe Bedoya. Not My Usual Trip: Ride-hailing Characterization in Mexico City. Inter-American Development Bank, agosto de 2021. http://dx.doi.org/10.18235/0003516.
Texto completoRoux, Anne M., Paul T. Shattuck, Jessica E. Rast y Kristy A. Anderson. National Autism Indicators Report: Developmental Disability Services and Outcomes in Adult. A.J. Drexel Autism Institute, mayo de 2017. http://dx.doi.org/10.17918/nairdevelopdisability2017.
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