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Relevant bibliographies by topics / Characteristic mode theory

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Journal articles

Academic literature on the topic 'Characteristic mode theory'

Author: Grafiati

Published: 19 July 2023

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Journal articles on the topic "Characteristic mode theory"

1

Ren, Wenhua, Fan Wang, and Guobin Ren. "Mode Coupling Analysis for a Mode Selective Coupler Using the Supermode Theory." Photonics 9, no. 2 (2022): 63. http://dx.doi.org/10.3390/photonics9020063.

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In this paper, the mode selective coupler (MSC) is analyzed using the supermode theory. It is shown that all characteristic parameters of the MSC can be obtained using the propagation constants of the supermodes supported by the MSC structure. Simulation results show that the characteristic parameters calculated by the supermode theory match well with those calculated by the traditional coupled mode theory (CMT) near the phase matching point of the MSC structure. In practice, the propagation constants of the supermodes can be obtained using common finite element software directly, avoiding the

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2

Ghalib, Asim, and Mohammad S. Sharawi. "New antenna mode generation based on theory of characteristic modes." International Journal of RF and Microwave Computer-Aided Engineering 29, no. 6 (2018): e21686. http://dx.doi.org/10.1002/mmce.21686.

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3

Li, Weiwen, Yongcong Liu, Jie Li, Longfang Ye, and Qing Huo Liu. "Modal Proportion Analysis in Antenna Characteristic Mode Theory." International Journal of Antennas and Propagation 2019 (February 13, 2019): 1–10. http://dx.doi.org/10.1155/2019/7069230.

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The characteristic mode theory (CMT) can provide physically intuitive guidance for the analysis and design of antenna structures. In CMT applications, the antenna current distribution is decomposed into the superposition of multiple characteristic modes, and the proportion of each current mode is characterized by the modal weighting coefficient (MWC). However, different characteristic currents themselves have different radiation efficiencies reflected by the eigenvalues. Therefore, from the perspective of the contribution to the radiation field, the modal proportion should be more accurately d

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4

parvin, Mostafa, Javad Ahmadi-Shokouh, and Hamideh Dashti. "Systematic feed locating in multi-mode MIMO antennas using characteristic mode theory." AEU - International Journal of Electronics and Communications 126 (November 2020): 153399. http://dx.doi.org/10.1016/j.aeue.2020.153399.

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5

Dai, Qi I., Qin S. Liu, Hui U. I. Gan, and Weng Cho Chew. "Combined Field Integral Equation-Based Theory of Characteristic Mode." IEEE Transactions on Antennas and Propagation 63, no. 9 (2015): 3973–81. http://dx.doi.org/10.1109/tap.2015.2452938.

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6

Kovtun, Andrei, Emin Nugaev, and Andrey Shkerin. "Characteristic modes of vibration of Q-balls." EPJ Web of Conferences 191 (2018): 06018. http://dx.doi.org/10.1051/epjconf/201819106018.

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In this report, based on [1], we study analytically small perturbations of classically stable Q-balls in 3+1 dimensions. Models with flat and polynomial potentials are considered. We find that large Q-balls in the model with the flat potential possess soft modes. We also find a specific mode for Q-balls near the stability bound, which is related to the decay mode of Q-clouds. For these modes, the perturbation theory is applicable with respect to the relative frequency of an excitation.

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7

Yan, Sen, and Guy A. E. Vandenbosch. "Design of Wideband Button Antenna Based on Characteristic Mode Theory." IEEE Transactions on Biomedical Circuits and Systems 12, no. 6 (2018): 1383–91. http://dx.doi.org/10.1109/tbcas.2018.2857466.

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8

Lv, Hai Wei, Ying Hui Li, and Liang Li. "Dynamic Characteristic of Axially Moving Soft Sandwich Beam." Advanced Materials Research 702 (May 2013): 275–79. http://dx.doi.org/10.4028/www.scientific.net/amr.702.275.

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A new sandwich beam theory is proposed by introducing independent variables of the displacements of face sheets, middle plane of soft core according to the incompression in transverse direction of traditional sandwich beam theory. Based on Hamilton principal, the governing equation of the system is established. Galerkin truncation method was used to solve the governing equation. It was found that (1) the first mode of the system displays that it is consistent with the traditional sandwich beam theory; (2) the second mode of the system shows that the soft core is in the state of tension or in c

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9

Haykir, Y., and O. A. Civi. "Characteristic Mode Analysis of Unit Cells of Metal-Only Infinite Arrays." Advanced Electromagnetics 8, no. 2 (2019): 134–42. http://dx.doi.org/10.7716/aem.v8i2.1014.

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Characteristic mode analysis of metal only unit cells of periodic structures is performed using Method of Moments based formulation. Ewald’s transformation is incorporated for a fast and cost efficient solution and the advantages over spatial Green’s function are discussed. The influence of the unit cell size on the characteristic modes is demonstrated. Various metal-only reflectarray elements are compared and their radiation characteristics are interpreted using the theory of characteristic modes. It is shown that characteristic modes of the unit cell can help us to understand the radiation a

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10

Zhong, Hua, Junhong Yu, and Hanzheng Ran. "Characteristic Model-Based Discrete Adaptive Sliding Mode Control for System with Time Delay." International Journal of Automation Technology 10, no. 2 (2016): 282–87. http://dx.doi.org/10.20965/ijat.2016.p0282.

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A novel characteristic model-based discrete sliding mode control (CMDSMC) for time delay system is presented in this paper. Firstly, to solve the challenge of establishing a accurate and simple model for time delay system, characteristic theory is applied to establish characteristic mode with time delay. Secondly, due to the uncertainties of time delay system, discrete sliding mode control based on characteristic model is proposed and stability analysis is done. At last, two illustrative examples taken from literatures are included to indicate the simplicity and superiority of the proposed met

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