Letteratura scientifica selezionata sul tema "Conversion de modes"
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Articoli di riviste sul tema "Conversion de modes":
Zhong, Yanan, Chuxuan Lin, Juncheng Fang, Ting Lei e Xiaocong Yuan. "LP modes exchange based on multiplane light conversion". Chinese Optics Letters 22, n. 3 (2024): 030602. http://dx.doi.org/10.3788/col202422.030602.
Nikitin, A. Yu, David Artigas, Lluis Torner, F. J. García-Vidal e L. Martín-Moreno. "Polarization conversion spectroscopy of hybrid modes". Optics Letters 34, n. 24 (15 dicembre 2009): 3911. http://dx.doi.org/10.1364/ol.34.003911.
Zheng, L. J., e M. Furukawa. "Current-interchange tearing modes: Conversion of interchange-type modes to tearing modes". Physics of Plasmas 17, n. 5 (maggio 2010): 052508. http://dx.doi.org/10.1063/1.3425857.
Vu, Alex, Leonard J. Bond e Sunil K. Chakrapani. "Numerical Study of Mode Conversion between Fundamental Lamb and Rayleigh Waves". Applied Sciences 13, n. 9 (1 maggio 2023): 5613. http://dx.doi.org/10.3390/app13095613.
Huang, Wanxia, Chaogang Li, Maosheng Wang, Yong Zhou, Cunyuan Zhu, Kuanguo Li, Xinyan Yang e Fabao Zhang. "Modes conversion due to plasmons induced transparency". Physics Letters A 383, n. 13 (aprile 2019): 1520–25. http://dx.doi.org/10.1016/j.physleta.2019.02.003.
Freedman, A. "Conversion modes in a free elastic plate". Journal of Sound and Vibration 145, n. 3 (marzo 1991): 391–407. http://dx.doi.org/10.1016/0022-460x(91)90110-6.
Xu, Jun Jun, Hao Chi Zhang, Qian Zhang e Tie Jun Cui. "Efficient conversion of surface-plasmon-like modes to spatial radiated modes". Applied Physics Letters 106, n. 2 (12 gennaio 2015): 021102. http://dx.doi.org/10.1063/1.4905580.
Wang, Shixiong, Yilin Zhang e Jianjia Yi. "Design and Test of Embedded Reconfigurable Mode Converter Based on Spontaneous Deformable Materials". Materials 16, n. 19 (27 settembre 2023): 6420. http://dx.doi.org/10.3390/ma16196420.
Xu, Shibo, e Alexey Stovas. "Estimation of the conversion point position in elastic orthorhombic media". GEOPHYSICS 84, n. 1 (1 gennaio 2019): C15—C25. http://dx.doi.org/10.1190/geo2018-0375.1.
Nikitov, S. A., e Ph Tailhades. "Optical modes conversion in magneto-photonic crystal waveguides". Optics Communications 199, n. 5-6 (dicembre 2001): 389–97. http://dx.doi.org/10.1016/s0030-4018(01)01583-8.
Tesi sul tema "Conversion de modes":
Girel, Etienne. "Modes de stabilisation innovants de catalyseurs pour la conversion de la biomasse". Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1214.
Biomass transformation reactions are carried under very different conditions from those used in petroleum industry. Some bio-products are transformed in aqueous phase underhigh temperatures (hydrothermal conditions). Heterogeneous catalysts are most likely made with a porous oxide like alumina witch is not suited for such conditions. Its textural and structural properties are modified during the treatment making the material incompatible with any process. The aim of the thesis is to develop new catalytic materials with hydrothermal stability properties adapted to the treatment of biomass products. The strategy is to modify alumina surface in order to make it insensitive to water during a hydrothermal treatment. The surface modification is done with inorganic (silicon) and organic (carbon, polyols) additives.We show here that alumina is stable only if some specific hydroxyls located in basal surfaces of crystallites are saturated. We develop strategy to selectively cover those sites with carbon or silica. A very good hydrothermal stability is obtained with a surface coverage close to 20% only. Then, a metal phase is deposited on the stabilized supports and catalytic performances of the materials are evaluated through the glycerol hydrogenolysis reaction
Skinner, Jacob Charles. "Energy Down-Conversion Between Classical Electromagnetic Modes via a Quantum Mechanical RF-SQUID". Thesis, University of Sussex, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487564.
Chihani, Omar. "Etude de la fiabilité de composants GaN en conversion d'énergie". Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0148/document.
The aeronautical and terrestrial transport industries know a steady increase in the electrification of their functions. In fact, the mechanical or hydraulic actuators are gradually replaced by electric ones.The components dominating the market today seem unable to follow the trend anymore. In fact, silicon-based power components still prevail in the current market, thanks to their low cost. However, this material begins to reach its theoretical limits in terms of performance. In this context, different wide bandgap semiconductor structures are emerging to take on from silicon.The aim of this study is to assess the reliability of power transistors based on Gallium Nitride. These components are very promising for medium power applications. However, the failure mechanisms of these components are not yet sufficiently studied. The study consists in the application of aging tests combining thermal and electrical stresses. These agings are carried out under different conditions of tension and temperature. The objective of this method is, firstly, to isolate the effect of each stressor on the state of the components, and secondly, to identify the failure mechanisms activated according to the aging conditions.This work made it possible to identify the existence of different failure mechanisms that can be activated according to the aging conditions. Indeed, it has emerged that the aging temperature range used influences the predominance of activated failure mechanisms. The results challenge the adequacy of current qualification standards for Gallium Nitride components. These standards should revise upwards the aging temperatures used to cover ranges closer to the operating temperatures of this kind of components
Roudet, James. "Analyse et comparaison des divers modes de conversion statique CC-CC : modes de commutation et sûreté de fonctionnement, performances CEM". Grenoble INPG, 1990. http://www.theses.fr/1990INPG0139.
Bonnelle, Denis. "Tour solaire, tour à vaporisation d'eau, et modes de conversion d'énergie renouvelable : présentation, critiques et suggestions". Lyon 1, 2004. http://www.theses.fr/2004LYO10129.
Wang, Feng. "Modes, Excitation and Applications of Plasmonic Nano-apertures and Nano-cavities". Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1348588159.
Farhat, Youssef. "Study of Reverberation in a Bilayer Media : Application to the Measurement of Viscosity". Electronic Thesis or Diss., Bourges, INSA Centre Val de Loire, 2023. http://www.theses.fr/2023ISAB0006.
Classical ultrasonic testing (UT) is a method used to evaluate the parameters of materials using mechanical wave. Most of these methods provide local information about the properties of the medium along the direct paths between emitter and receiver. Yet, some of these methods depend on the coda or late reflections, which provide global information about the medium. In this work, a method inspired by room acoustic techniques is proposed to determine medium properties. In fact, the reverberated signal is highly sensitive to mechanical parameters and boundary conditions. In acoustic room theory, which uses these reverberated signals, for determination of the reverberation time which is very useful to enhance the sound quality of rooms. However, this technique only works for one propagation mode, since the wave propagates through the air inside the acoustic room. In contrast to fluids, at least two propagation modes occur in a homogeneous and isotropic solid medium. However, by considering that a solid medium is analogous to the acoustic cavity, the walls are equivalent to boundary conditions. Firstly, a model is developed to estimate the acoustic intensity of each propagation mode in solid medium taking into account the coupling due to mode conversion. It allows the reverberation time to be estimated in solid medium. Secondly, an experimental setup is proposed. A five piezoelectric (PZT) patches, randomly distributed on an aluminum block, one acting as an emitter and the others as receivers to perform experimental reverberation time measurements. Then, a comparison between the simulated and experimental results is done, and inverse problem solving is performed to retrieve the attenuations. A good agreement between the retrieved and literature attenuation values of both bulk waves has been observed in aluminum. Finally, using the retrieved attenuation of bulk waves, the work has been extended to multilayer system, such as the solid medium is surrounded by different fluids at its boundaries. It has been demonstrated that the reverberation time is directly related to the mechanical parameters of the surrounded fluid, such as density, celerity, and their viscosity
Wilson, Daniel W. "Optical waveguiding in photorefractive crystals : photoinduced polarization conversion and electron waveguiding in semiconductor nanostructures : modes, directional coupling, and discontinuities". Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/14934.
Obeid, Hussein. "Contribution à la commande et à l'observation adaptatives par modes glissants d'ordres supérieurs : Application aux systèmes de gestion de l'énergie". Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCA023/document.
This thesis deals with the development of novel strategies to adapt higher order sliding mode controllers and observers. The implementation of classics first order and higher order sliding mode controllers requires the knowledge of the upper bound of the disturbance or its derivative, which are often not known. The first contribution of this thesis is the design of an adaptive strategy that can ensure the convergence of the sliding variable to a predefined neighborhood of zero without requiring any information of the disturbance or its derivative and without overestimating the adaptive gain. This adaptive strategy is then declined for the design of the first order, second order and integral sliding mode controllers, and for the Levant's differentiator. The second contribution of the thesis is the development of two adaptive strategies for discontinuous higher order sliding mode control. The proposed two algorithms can provide the achievement of n-order sliding mode despite disturbances with unknown upper bounds or with unknown upper bounds of their derivatives. Finally, in order to show the effectiveness of the proposed algorithms, they are successfully applied through simulations to control the wind energy conversion system and the linear induction motor system for cogeneration
Cabral, Sânzio Fernandes. "Fluxo de operações ligadas à análise de contas no TCE/PB sob a ótica dos modos de conversão do conhecimento organizacional". Universidade Federal da Paraíba, 2008. http://tede.biblioteca.ufpb.br:8080/handle/tede/3788.
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES
In the current context of transformation, the so called knowledge organizations seek to integrate, at least, three important components: infrastructure, people and technology. In this study, it is supposed that the process of knowledge management should consider this trilogy integrated. This research aimed to describe the main flow of operations related to the Analysis of Municipal Accounts in TCE-PB, external controlization of the state of Paraiba, from the perspective of modes of conversion of organizational knowledge. This investigation characterized itself as a basic search, with a mixed qualitative and quantitative as well as descriptive and exploratory approach, also using as technical procedures the bibliographic review, and the single case study method, limited to five Divisions of Monitoring of Municipal Management. The search tools used were the questionnaire, the focus group, quantitative statistical analysis and qualitative analysis of content, respectively. Through this case, it was found the need of technology to be properly harnessed, because it is used merely as tool for serving data without significant support for people, despite a good infrastructure. In addition to conditioning factors of the process of knowledge management, such as centralization of decisions and organizational culture in the public sector, it has shown that the knowledge creation process faces a number of baniers such as the absence of the practice of outsourcing and socialization, due to a misunderstanding of the concepts of socialization and combination. It was conclued that the flow of operations in the review of municipal accounts are handcared lack of incentive to the best practices of dissemination of tacit knowledge between servers and preservation of organizational memory, such as formation of discussion groups, expertises maps and disclosure of creative methods of network analysis.
No atual contexto de transformação, as chamadas organizações do conhecimento buscam integrar, pelo menos três componentes essenciais: infraestrutura, pessoas e tecnologia. Neste estudo, entende-se que o processo de gestão do conhecimento deve considerar essa trilogia integrada. O objetivo da pesquisa foi descrever o fluxo das operações relacionadas à Análise de Prestação de Contas no TCE-PB, órgão de controle externo do Estado da Paraíba, sob a ótica dos modos de conversão do conhecimento organizacional. Tal investigação se caracterizou como uma pesquisa básica, com abordagem mista quantitativo-qualitativa, enfoque descritivo-exploratório, usando também como procedimentos técnicos a pesquisa bibliográfica e documental e o método de estudo de caso único, limitado ao âmbito de cinco Divisões de Acompanhamento da Gestão Municipal do TCE-PB, envolvidas na análise de contas. Como instrumento de pesquisa, para a técnica de coleta e tratamento de dados, utilizaram-se o questionário, o grupo focal e a análise de conteúdo qualitativa e de procedimentos estatísticos, respectivamente. Por intermédio desse caso, foi constatada a necessidade de a tecnologia ser adequadamente aproveitada, pois é utilizada meramente como instrumento de veiculação de dados, sem expressivo suporte para as pessoas, apesar de uma boa infra-estrutura. Além de fatores condicionantes do processo de Gestão do Conhecimento, como centralização das decisões e a cultura organizacional do setor público, evidenciou-se que o processo de criação do conhecimento enfrenta uma série de lacunas, a partir da ausência da prática da externalização e da socialização, bem como da concepção equivocada entre o conceito de socialização e de combinação. Concluiu-se que o fluxo de operações da análise de prestação de contas municipais fica prejudicado pela falta de incentivo às melhores práticas de disseminação do conhecimento tácito entre servidores e à preservação da memória organizacional, tais como: formação de grupos de discussão, mapas de expertises e uso de métodos criativos de análise em rede.
Libri sul tema "Conversion de modes":
1967-, Robinson Rowena, e Clarke Sathianathan, a cura di. Religious conversion in India: Modes, motivations, and meanings. New Delhi: Oxford University Press, 2003.
Camillocci, Daniela Solfaroli, e Maria Cristina Pitassi. Les modes de la conversion confessionnelle à l'époque moderne: Autobiographie, altérité et construction des identités religieuses. Firenze: L.S. Olschki, 2010.
R, McLean Charles, Leong Swee e National Institute of Standards and Technology (U.S.), a cura di. Activity model: Ship repair and conversion. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2000.
Maitland, Donna M. Migration and farmland conversion: A conceptual model. Toronto, Canada: Dept. of Geography, York University, 1988.
Yaramasu, Venkata, e Bin Wu. Model Predictive Control of Wind Energy Conversion Systems. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119082989.
Taylor, Dean. Documentation for propane fleet conversion cost-effectiveness model. Austin TX: University of Texas, Center for Transportation Research, 1991.
Jones, Danielle Angelina. Coalescent models of gene conversion with and without selection. Cambridge, Mass: Harvard University, 2009.
Turnbull, William. Language in action: Psychological models of conversation. New York, NY: Routledge, 2003.
Turnbull, William. Language in action: Psychological models of conversation. Hove: Psychology Press, 2003.
Kitchin, Charles. RMS to DC conversion application guide. 2a ed. [Norwood, Mass.]: Analog Devices, 1986.
Capitoli di libri sul tema "Conversion de modes":
Aresta, Michele, Angela Dibenedetto e Eugenio Quaranta. "CO2 Coordination to Metal Centres: Modes of Bonding and Reactivity". In Reaction Mechanisms in Carbon Dioxide Conversion, 35–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-46831-9_2.
Abram, Christopher. "The Two ‘Modes of Religiosity’ in Conversion-Era Scandinavia". In Medieval Identities: Socio-Cultural Spaces, 21–48. Turnhout: Brepols Publishers, 2014. http://dx.doi.org/10.1484/m.miscs-eb.1.102031.
Barelko, V. V., I. M. Barkalov, V. I. Goldanskii, D. P. Kiryukhin e A. M. Zanin. "Autowave Modes of Conversion in Low-Temperature Chemical Reactions in Solids". In Advances in Chemical Physics, 339–84. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470141236.ch3.
Abu-Siada, Ahmed, Mohammad A. S. Masoum, Yasser Alharbi, Farhad Shahnia e A. M. Shiddiq Yunus. "Applications of Unified Power Flow Controller in Wind Energy Conversion System". In Recent Advances in Renewable Energy, 17–48. UAE: Bentham Science Publishers Ltd., 2017. http://dx.doi.org/10.2174/9781681085425117020003.
Sirimanna, M. P. G., Jonathan D. Nixon e M. S. Innocente. "Performance of Different Optimization Solvers for Designing Solar Linear Fresnel Reflector Power Generation Systems". In Springer Proceedings in Energy, 323–32. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30960-1_30.
Weik, Martin H. "mode conversion". In Computer Science and Communications Dictionary, 1030. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_11651.
Southwood, P. M. "Models of Conversion". In Defense Conversion Strategies, 99–108. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1213-2_6.
Ke, Xizheng. "Mode-conversion Methods". In Optical Wireless Communication Theory and Technology, 171–94. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1525-5_6.
Ren, Xudong. "Conversion Model of Graphite". In Laser Shocking Nano-Crystallization and High-Temperature Modification Technology, 123–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46444-1_5.
Kooijman, S. A. L. M. "Biomass Conversion at Population Level". In Individual-Based Models and Approaches in Ecology, 338–58. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-0869-1_16.
Atti di convegni sul tema "Conversion de modes":
Bian, Yiming, Yan Li, Wei Li, Xiaobin Hong, Jifang Qiu, Erhu Chen e Jian Wu. "Modes Multiplexing Conversion Based on Multi-plane Light Conversion". In Asia Communications and Photonics Conference. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/acpc.2020.m4a.252.
Gamage, Chathura Vidana, Darshana Prasad Wadduwage, Lasantha Meegahapola, Inam Nutkani e J. P. Karunadasa. "Analysis of Oscillatory Modes and Model Interactions of Microgrid". In 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia). IEEE, 2021. http://dx.doi.org/10.1109/ecce-asia49820.2021.9479152.
Feng, L., Y. Li, S. Wu, X. Zeng, W. Li, R. Chen, J. Qiu, X. Hong, Ian P. Giles e J. Wu. "Implementation of linearly-polarized LP01 modes to any azimuthally-orientated LP11 modes conversion". In CLEO: Applications and Technology. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/cleo_at.2018.jth2a.118.
Yaroshenko, V. V. "Linear Conversion of Dust-Lattice Modes in Complex Plasmas". In NEW VISTAS IN DUSTY PLASMAS: Fourth International Conference on the Physics of Dusty Plasmas. AIP, 2005. http://dx.doi.org/10.1063/1.2134609.
Clark, Lawrence T., Tai-Hua Chen e Vikas Chaudhary. "Efficient voltage conversion for SRAM low standby power modes". In 2011 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2011. http://dx.doi.org/10.1109/iscas.2011.5937504.
Stefanini, Luca, Davide Ramaccia, Vincenzo Galdi, Mirko Barbuto, Zahra Hamzavi-Zarghani, Michela Longhi, Alessio Monti, Stefano Vellucci, Alessandro Toscano e Filiberto Bilotti. "Time-switched metasurfaces: Conversion from guided to radiated modes". In 2023 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2023. http://dx.doi.org/10.1109/iceaa57318.2023.10297939.
Silva, Sergio Santos, Adroaldo Santos Soares, Fabio Sousa Santos e Renelson R. Sampaio. "COMPARATION BETWEEN WESTERN AND EASTERN ENTERPRISE KNOWLEDGE CONVERSION MODES". In VIII Simpósio Internacional de Inovação e Tecnologia. São Paulo: Editora Blucher, 2022. http://dx.doi.org/10.5151/siintec2022-241251.
Demma, A. "Mode conversion of longitudinal and torsional guided modes due to pipe bends". In The 27th annual review of progress in quantitative nondestructive evaluation. AIP, 2001. http://dx.doi.org/10.1063/1.1373756.
Gao, Anming, Yansong Yang e Songbin Gong. "Eradication of asymmetric spurious modes in AlN MEMS resonators using mode conversion". In 2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2016. http://dx.doi.org/10.1109/memsys.2016.7421572.
Jing, Tingting, Guoqiang He, Bin B. Lin, Wenqiang Li, Fei Qin e Yang Liu. "Thermal analysis of RBCC engine at ejector, ramjet and scramjet modes". In 14th International Energy Conversion Engineering Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-4913.
Rapporti di organizzazioni sul tema "Conversion de modes":
Pirohov, Vladyslav M., Anna M. Horlo e Iryna S. Mintii. Software development of the algorithm of adaptating of the website design for people with color-blindness. [б. в.], dicembre 2018. http://dx.doi.org/10.31812/123456789/2888.
Cai, Yongxia, Christopher M. Wade, Justin S. Baker, Jason P. H. Jones, Gregory S. Latta, Sara B. Ohrel, Shaun A. Ragnauth e Jared R. Creason. Implications of alternative land conversion cost specifications on projected afforestation potential in the United States. RTI Press, novembre 2018. http://dx.doi.org/10.3768/rtipress.2018.op.0057.1811.
Lamb, Milton A. Development of Model List Conversion Application. Fort Belvoir, VA: Defense Technical Information Center, settembre 2011. http://dx.doi.org/10.21236/ada552063.
Mendez Cruz, Carmen Margarita, Gary E. Rochau e Mollye C. Wilson. Systems Engineering Model for ART Energy Conversion. Office of Scientific and Technical Information (OSTI), febbraio 2017. http://dx.doi.org/10.2172/1343252.
Vernon, Ronald J. High-Power Microwave Transmission and Mode Conversion Program. Office of Scientific and Technical Information (OSTI), agosto 2015. http://dx.doi.org/10.2172/1210042.
Anderson, Paul B., e Michael A. Young. Connection Machine Software Conversion of a Navy Oceans Model. Fort Belvoir, VA: Defense Technical Information Center, settembre 1993. http://dx.doi.org/10.21236/ada269876.
Phillips, C. K., P. L. Colestock, D. Q. Hwang e D. G. Swanson. Parabolic approximation method for the mode conversion-tunneling equation. Office of Scientific and Technical Information (OSTI), luglio 1987. http://dx.doi.org/10.2172/6008817.
Olsen e Willson. L51916 Pressure Based Parametric Emission Monitoring Systems (PEMS). Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), aprile 2002. http://dx.doi.org/10.55274/r0010181.
Verburg, Peter H., Žiga Malek, Sean P. Goodwin e Cecilia Zagaria. The Integrated Economic-Environmental Modeling (IEEM) Platform: IEEM Platform Technical Guides: User Guide for the IEEM-enhanced Land Use Land Cover Change Model Dyna-CLUE. Inter-American Development Bank, settembre 2021. http://dx.doi.org/10.18235/0003625.
B. Jones, P.C. Efthimion, G. Taylor, T. Munsat, J.R. Wilson, J.C. Hosea, R. Kaita et al. Enhanced Mode Conversion of Thermally Emitted Electron Bernstein Waves (EBW)to Extraordinary Mode. Office of Scientific and Technical Information (OSTI), gennaio 2002. http://dx.doi.org/10.2172/795719.