Academic literature on the topic 'Electrical excitation'
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Journal articles on the topic "Electrical excitation"
Pile, David. "Electrical excitation." Nature Photonics 7, no. 8 (July 30, 2013): 584. http://dx.doi.org/10.1038/nphoton.2013.200.
Full textNothaft, Maximilian, Steffen Höhla, Fedor Jelezko, Jens Pflaum, and Jörg Wrachtrup. "Single molecule electrical excitation." physica status solidi (b) 249, no. 4 (February 21, 2012): 653–60. http://dx.doi.org/10.1002/pssb.201100778.
Full textHerasymenko, V., V. Pliuhin, and М. Shpika. "ANALYSIS OF CHARACTERISTICS OF ELECTRIC BRAKING SYSTEMS." Municipal economy of cities 1, no. 154 (April 3, 2020): 2–7. http://dx.doi.org/10.33042/2522-1809-2020-1-154-2-7.
Full textLaurent, Thibault, Yanko Todorov, Angela Vasanelli, Isabelle Sagnes, Grégoire Beaudoin, and Carlo Sirtori. "Electrical excitation of superradiant intersubband plasmons." Applied Physics Letters 107, no. 24 (December 14, 2015): 241112. http://dx.doi.org/10.1063/1.4937806.
Full textQin, Guang-rong, and Tatsuyuki Kawakubo. "Electrical Circuit Simulation of Membrane Excitation." Journal of the Physical Society of Japan 55, no. 10 (October 15, 1986): 3308–11. http://dx.doi.org/10.1143/jpsj.55.3308.
Full textKara, Dawid, Tomasz Kołacz, and Jerzy Skwarczyński. "Electrical machines with switched and modulated flux." Science, Technology and Innovation 8, no. 1 (April 7, 2020): 1–12. http://dx.doi.org/10.5604/01.3001.0013.8981.
Full textAli, Hassan, Erwan Sulaiman, Zamri Omar, M. F. Omar, Faisal Amin, and S. Khalidah Rahimi. "Preliminary Design Investigation of Dual Stator HE FSM using Segmental Rotor." International Journal of Engineering & Technology 7, no. 2.23 (April 20, 2018): 77. http://dx.doi.org/10.14419/ijet.v7i2.23.11888.
Full textIrrera, A., D. Pacifici, M. Miritello, G. Franzò, F. Priolo, F. Iacona, D. Sanfilippo, G. Di Stefano, and P. G. Fallica. "Excitation and de-excitation properties of silicon quantum dots under electrical pumping." Applied Physics Letters 81, no. 10 (September 2, 2002): 1866–68. http://dx.doi.org/10.1063/1.1505117.
Full textJezernik, S., and M. Morari. "Energy-Optimal Electrical Excitation of Nerve Fibers." IEEE Transactions on Biomedical Engineering 52, no. 4 (April 2005): 740–43. http://dx.doi.org/10.1109/tbme.2005.844050.
Full textVasserman, I. N., V. P. Matveenko, I. N. Shardakov, and A. P. Shestakov. "Finite-element simulation of myocardial electrical excitation." Journal of Applied Mechanics and Technical Physics 55, no. 1 (January 2014): 61–67. http://dx.doi.org/10.1134/s0021894414010088.
Full textDissertations / Theses on the topic "Electrical excitation"
Harrison, Nicholas Torquil. "Optical and electrical excitation of conjugated polymers." Thesis, University of Cambridge, 1998. https://www.repository.cam.ac.uk/handle/1810/251643.
Full textPornprompanya, Methasit. "Instability of excitation waves induced by electrical fields." [S.l. : s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=975449834.
Full textGriffin, Daniel W. "Multi-band excitation vocoder." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14803.
Full textPinner, Dickon John. "Pulsed electrical excitation of conjugated polymer light-emitting diodes." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620940.
Full textHardwick, John C. (John Clark). "The dual excitation speech model." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/12456.
Full textIncludes bibliographical references (leaves 126-133).
by John C. Hardwick.
Ph.D.
Wood, Vanessa Claire. "Electrical excitation of colloidally synthesized quantum dots in metal oxide structures." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/58454.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 163-172).
This thesis develops methods for integrating colloidally synthesized quantum dots (QDs) and metal oxides in optoelectronic devices, presents three distinct light emitting devices (LEDs) with metal oxides surrounding a QD active layer, and uses these novel metal oxide based QD-LEDs to study mechanisms for electrical excitation of QDs. QD-LEDs have generated considerable interest for applications such as thin film displays with improved color saturation and white lighting with high color rendering index. This work demonstrates that air-stable metal oxides can be used to achieve QD-LEDs that have long shelf lives and operate at constant luminance in ambient conditions, unpackaged. Because metal oxides range from conductors to dielectrics, they can be used to develop a variety of different device architectures to explore mechanisms for electrical excitation of QDs. We report the first all-inorganic QD-LEDs with n- and p-type metal oxide charge transport layers and present design rules to enable systematic improvement of device efficiency. To shift away from direct charge injection as a means for electroluminescence (EL) in inorganic-based QD-LED structures, we develop a unipolar device architecture that presents the first evidence of field driven EL in QDs. To further explore this field driven excitation mechanism, we develop a structure that situates QDs between two insulating metal oxide layers. By eliminating the need for energy band alignment, these devices enable EL from QDs with emission peaks from 450 nm-1500 nm as well as from novel nanoparticles, such as phosphor doped-core/shell nanocrystals.
by Vanessa Claire Wood.
Ph.D.
Qureshi, Tabassum-Ur-Razaq. "An investigation into multi-spectral excitation power sources for Electrical Impedance Tomography." Thesis, University of Sussex, 2017. http://sro.sussex.ac.uk/id/eprint/71647/.
Full textDer, Ricky. "Audio coding with an excitation pattern distortion measure." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82478.
Full textHardwick, John C. (John Clark). "A 4.8 Kbps multi-band excitation speech coder." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14751.
Full textZelinski, Adam Charles. "Improvements in magnetic resonance imaging excitation pulse design." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45862.
Full textIncludes bibliographical references (p. 241-253).
This thesis focuses on the design of magnetic resonance imaging (MRI) radio-frequency (RF) excitation pulses, and its primary contributions are made through connections with the novel multiple-system single-output (MSSO) simultaneous sparse approximation problem. The contributions are both conceptual and algorithmic and are validated with simulations, as well as anthropogenic-object-based and in vivo trials on MRI scanners. Excitation pulses are essential to MRI: they excite nuclear spins within a subject that are detected by a resonant coil and then reconstructed into images. Pulses need to be as short as possible due to spin relaxation, tissue heating, and main field inhomogeneity limitations. When magnetic spins are tilted by only a small amount, pulse transmission may be interpreted as depositing energy in a continuous three-dimensional Fourier-like domain along a one-dimensional contour to form an excitation in the spatial domain. Pulse duration is proportional to the length of the contour and inversely proportional to the rate at which it is traversed, and the rate is limited by system gradient hardware restrictions. Joint design of the contour and a corresponding excitation pulse is a difficult and central problem, while determining near-optimal energy deposition once the contour is fixed is significantly easier. We first pose the NP-Hard MSSO problem and formulate greedy and convex relaxation-based algorithms with which to approximately solve it. We find that second-order-cone programming and iteratively-reweighted least squares approaches are practical techniques for solving the relaxed problem and prove that single-vector sparse approximation of a complex-valued vector is an MSSO problem.
(cont.) We then focus on pulse design, first comparing three algorithms for solving linear systems of multi-channel excitation design equations, presenting experimental results from a 3 Tesla scanner with eight excitation channels. Our aim then turns toward the joint design of pulses and trajectories. We take joint design in a novel direction by utilizing MSSO theory and algorithms to design short-duration sparsity-enforced pulses. These pulses are used to mitigate transmit field inhomogeneity in the human brain at 7 Tesla, a significant step towards the clinical use of high-field imaging in the study of cancer, Alzheimer's disease, and Multiple Sclerosis. Pulses generated by the sparsity-enforced method outperform those created via conventional Fourier-based techniques, e.g., when attempting to produce a uniform magnetization in the presence of severe RF inhomogeneity, a 5.7-ms 15-spoke pulse generated by the sparsity-enforced method produces an excitation with 1.28 times lower root-mean-square error than conventionally-designed 15-spoke pulses. To achieve this same level of uniformity, conventional methods must use 29-spoke pulses that are 1.4 times longer. We then confront a subset selection problem that arises when a parallel excitation system has more transmit modes available than hardware transmit channels with which to drive them. MSSO theory and algorithms are again applicable and determine surprising targetspecific mixtures of light and dark modes that yield high-quality excitations. Finally, we study the critical patient safety issue of specific absorption rate (SAR) of multi-channel excitation pulses at high field. We develop a fast SAR calculation algorithm and propose optimizing an individual pulse and time-multiplexing a set of pulses as ways to reduce SAR; the latter is capable of reducing maximum local SAR by 11% with no impact on pulse duration.
by Adam Charles Zelinski.
Ph.D.
Books on the topic "Electrical excitation"
Roffe, J. C. Gamio. A high-sensitivity flexible-excitation electrical capacitance tomography system. Manchester: UMIST, 1997.
Find full textInternational Workshop on Magnetic Properties of Electrical Sheet Steel under Two-Dimensional Excitation (1st 1991 Physikalisch-Technische Bundesanstalt). First International Workshop on Magnetic Properties of Electrical Sheet Steel under Two-Dimensional Excitation: Proceedings of the 93. PTB-Seminar, Physikalisch-Technische Bundesanstalt, Braunschweig (Germany), 16. and 17.9. 1991. Braunschweig: PTB, 1992.
Find full textSmirnov, Aleksandr. Electric drive with contactless synchronous motors. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1192105.
Full textAbdullah, Nehad Ezzad. Excitation of scattering objects by known electric fields. Birmingham: University of Birmingham, 1988.
Find full textGirgis, George K. Hungry Horse Unit 4 excitation system commissioning test. Denver, Colo: U.S. Bureau of Reclamation, 1992.
Find full textI, Loginov S., ed. Nauchnye osnovy proektirovanii͡a︡ sistem vozbuzhdenii͡a︡ moshchnykh sinkhronnykh mashin. Leningrad: "Nauka," Leningradskoe otd-nie, 1988.
Find full textPyrhönen, Olli. Analysis and control of excitation, field weakening and stability in direct torque controlled electrically excited synchronous motor drives. Lappeenranta, Finland: Lappeenranta University of Technology, 1998.
Find full textHill, David A. Near-field and far-field excitation of a long conductor in a lossy medium. Boulder, Colo: Electromagnetic Fields Division, Center for Electronics and Electrical Engineering, National Engineering Laboratory, National Institute of Standards and Technology, 1990.
Find full textHill, David A. Near-field and far-field excitation of a long conductor in a lossy medium. Boulder, Colo: Electromagnetic Fields Division, Center for Electronics and Electrical Engineering, National Engineering Laboratory, National Institute of Standards and Technology, 1990.
Find full textHill, David A. Near-field and far-field excitation of a long conductor in a lossy medium. Boulder, Colo: Electromagnetic Fields Division, Center for Electronics and Electrical Engineering, National Engineering Laboratory, National Institute of Standards and Technology, 1990.
Find full textBook chapters on the topic "Electrical excitation"
Dudel, J. "Information Transfer by Electrical Excitation." In Human Physiology, 19–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73831-9_2.
Full textKrishna, S. "Prime Movers and Excitation System." In SpringerBriefs in Electrical and Computer Engineering, 117–23. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-1847-0_4.
Full textKrothapalli, Sreenivasa Rao, and Shashidhar G. Koolagudi. "Emotion Recognition Using Excitation Source Information." In SpringerBriefs in Electrical and Computer Engineering, 35–66. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5143-3_3.
Full textRao, K. Sreenivasa, and Manjunath K.E. "Excitation Source Features for Phone Recognition." In SpringerBriefs in Electrical and Computer Engineering, 47–63. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49220-9_4.
Full textBlank, Martin. "Electrical Double Layers in Ion Transport and Excitation." In Electrical Double Layers in Biology, 119–28. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-8145-7_9.
Full textRao, K. Sreenivasa, and Dipanjan Nandi. "Implicit Excitation Source Features for Language Identification." In SpringerBriefs in Electrical and Computer Engineering, 31–51. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17725-0_3.
Full textRao, K. Sreenivasa, and Dipanjan Nandi. "Parametric Excitation Source Features for Language Identification." In SpringerBriefs in Electrical and Computer Engineering, 53–75. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17725-0_4.
Full textPenkin, Yuriy M., Victor A. Katrich, Mikhail V. Nesterenko, Sergey L. Berdnik, and Victor M. Dakhov. "Excitation of Electromagnetic Waves in Coordinate Electrodynamic Volumes." In Lecture Notes in Electrical Engineering, 1–21. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97819-2_1.
Full textShaw, Robin, and Yoram Rudy. "Gap Junctions and the Spread of Electrical Excitation." In Developments in Cardiovascular Medicine, 125–47. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5525-4_6.
Full textFavella, L., N. Balossino, and M. T. Reineri. "Electrical Excitation Propagation Front in the Cardiac Muscle." In Biomathematics and Related Computational Problems, 649–58. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2975-3_58.
Full textConference papers on the topic "Electrical excitation"
Bharadwaj, Palash, Alexandre Bouhelier, and Lukas Novotny. "Electrical Excitation of Surface Plasmons." In Frontiers in Optics. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/fio.2012.fth4a.1.
Full textOoi, Kelvin J. A., Hong Son Chu, Wee Shing Koh, Chang-Yu Hsieh, Dawn T. H. Tan, and Lay Kee Ang. "Electrical Excitation Pathways for Graphene Plasmons." In Frontiers in Optics. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/fio.2014.fth3e.6.
Full textFrias, Marco A. Rodriguez, and Wuqiang Yang. "Electrical resistance tomography with voltage excitation." In 2016 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2016. http://dx.doi.org/10.1109/i2mtc.2016.7520444.
Full textZhou, D. F., S. Q. Jiang, J. C. Zhu, C. Zhao, Y. R. Yan, D. Gronemeyer, and P. Van Leeuwen. "Imaging of cardiac electrical excitation conduction." In 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2015. http://dx.doi.org/10.1109/embc.2015.7319389.
Full textNaoe, Nobuyuki. "Self-excitation characteristics of a hybrid excitation single-phase synchronous generator." In 2008 International Conference on Electrical Machines (ICEM). IEEE, 2008. http://dx.doi.org/10.1109/icelmach.2008.4799837.
Full text"Hybrid excitation synchronous machines." In 2016 XXII International Conference on Electrical Machines (ICEM). IEEE, 2016. http://dx.doi.org/10.1109/icelmach.2016.7732873.
Full text"Hybrid excitation synchronous machines." In 2012 XXth International Conference on Electrical Machines (ICEM). IEEE, 2012. http://dx.doi.org/10.1109/icelmach.2012.6350295.
Full textBorocci, G., F. Giulii Capponi, G. De Donato, and F. Caricchi. "Mixed-pole hybrid-excitation machine." In 2014 XXI International Conference on Electrical Machines (ICEM). IEEE, 2014. http://dx.doi.org/10.1109/icelmach.2014.6960558.
Full textYuldashev, Zafar M., Anatoliy P. Nemirko, and Darina S. Ripka. "Algorithm for the Abnormal Ventricular Electrical Excitation Detection." In 2020 IEEE 14th International Conference on Application of Information and Communication Technologies (AICT). IEEE, 2020. http://dx.doi.org/10.1109/aict50176.2020.9368866.
Full textILIE, Cristinel, Mihai MIHAIESCU, Ionel CHIRITA, Mihai GUTU, Marius POPA, and Nicolae TANASE. "Synchronous Electric Generator With Double Excitation." In 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE). IEEE, 2019. http://dx.doi.org/10.1109/atee.2019.8724866.
Full textReports on the topic "Electrical excitation"
Hill, D. A. Aperture excitation of electrically large, lossy cavities. Gaithersburg, MD: National Bureau of Standards, 1993. http://dx.doi.org/10.6028/nist.tn.1361.
Full text