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Dissertations / Theses on the topic 'Pulse Pulse'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Gorodi, Suzie Mei. "Pulse, pulse, somersault." AUT University, 2009. http://hdl.handle.net/10292/1006.

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This project explores notions of seeing and knowing, underpinned by performative and phenomenological fields of enquiry that relate this exploration to the sensate experience of the viewer. A specific interest considers ideas of embodied vision with an aim at generating events that vacillate in the bodies of the audience. A primary focus is on the arena of encounter as a multi-sensory experiential event, and within this context this project proposes a temporal and spatial framework for exploration. Studio methods develop a cinematic-body of video work negotiating performative practice involvin

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2

CARLETO, NIVALDO. "Projeto, construção e caracterização de um modulador pulsado para a operação de uma válvula magnetron de potência." reponame:Repositório Institucional do IPEN, 2005. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11275.

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Made available in DSpace on 2014-10-09T12:50:09Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:01:56Z (GMT). No. of bitstreams: 1 10558.pdf: 10529307 bytes, checksum: be6b9ffcdd1b8416d5246549ff0f8d3d (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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3

Chauhan, Vikrant Chauhan Kumar. "Pulse compression and dispersion control in ultrafast optics." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/37153.

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Pulse Compression and Dispersion Control in Ultrafast Optics Vikrant K. Chauhan 116 Pages Directed by Dr. Rick P. Trebino In this thesis, we introduced novel pulse compressors that are easy to align and which also compensate for higher order dispersion terms. They use a single dispersive element or a combination of dispersive elements in single-element-geometry. They solve the problem of extra-cavity pulse compression by providing control of the pulse width in almost all of the experiments performed using ultrashort pulses, and they even compensate for higher order dispersion. We performed f

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4

Dolan, John Eric. "Aspects of magnetic pulse compression and pulse sharpening." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46748.

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5

Pratt, Gill. "Pulse computation." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/14260.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1990.<br>Includes bibliographical references (leaves 134-135).<br>by Gill Andrews Pratt.<br>Ph.D.

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6

Ferris, Morris Samuel A. "Pulse Patterns." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398272266.

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7

Mercan, Hasan. "Nonuniform Pulse Repetition Interval Optimization For Pulse Doppler Radars." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605619/index.pdf.

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In this thesis, a method of optimization of nonuniform pulse repetition interval for pulse Doppler radars is investigated. PRI jittering technique is used for the selection of inter-pulse intervals. An environment with white Gaussian noise and clutter interference is defined and applying generalized likelihood ratio test, a sufficient statistic function for the detection of the target is derived. The effect of jitter set selection on range and Doppler ambiguity resolution and clutter rejection is investigated. Jitter sets for Doppler ambiguity resolution are investigated by the minimization of

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8

Mercan, Hasan Supervisor :. Tanık Yalçın. "Nonuform pulse repetition interval optimization for pulse doppler radars." Ankara : METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605619/index.pdf.

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9

Wefers, Marc Michael. "Femtosecond optical pulse shaping and multiple-pulse femtosecond spectroscopy." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10597.

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10

Cohen, Jacob Arthur. "Measuring the electric field of picosecond to nanosecond pulses with high spectral resolution and high temporal resolution." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37179.

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We demonstrate four experimentally simple methods for measuring very complex ultrashort light pulses. Although each method is comprised of only a few optical elements, they permit the measurement of extremely complex pulses with time-bandwidth products greater than 65,000. First, we demonstrate an extremely simple frequency-resolved-optical gating (GRENOUILLE) device for measuring the intensity and phase of pulses up to ~20ps in length. In order to achieve the required high spectral resolution and large temporal range, it uses a few-cm-thick second harmonic-generation crystal in the shape of a

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11

Fernández, González Alma. "Chirped Pulse Oscillators: Generating microjoule femtosecond pulses at megahertz repetition rate." Diss., lmu, 2007. http://nbn-resolving.de/urn:nbn:de:bvb:19-69673.

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12

Bordyugov, Grigory. "Dynamics and stability of pulses and pulse trains in excitable media." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981984177.

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13

Fernández, González Alma. "Chirped pulse oscillators generating microjoule femtosecond pulses at megahertz repetition rate /." [S.l.] : [s.n.], 2007. http://edoc.ub.uni-muenchen.de/archive/00006967.

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14

Bolatbek, Zhanibek. "Detection and Pulse Shaping of Continuous Wave and Pulsed Broadband Light." University of Dayton / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1619634310138999.

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15

Chytil, Pavel. "Detekce nemocí pomocí analýzy hlasu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-233419.

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Tato disertační práce je zaměřena na analýzu řečového signálu za učelem detekce nemocí ovlivňujících strukturu hlasových orgánů, obzvláště těch, které mění strukturální character hlasivek. Poskytnut je přehled současných technik. Dále jsou popsány zdroje použitých nahrávek pro zdravé a nemocné mlučí. Hlavním učelem této disertační práce je popsat vypočetní postup k odhadu parametrů modelu hlasového zdroje, které umožní následnou detekci a klasifikaci nemocí hlasivek. Poskytujeme detailní popis analýzy řečových signálů, které mohou být odvozeny z parametrických modelů hlasivek.

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16

Grün, Alexander. "Nonlinear pulse compression." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/284879.

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In this thesis I investigate two methods for generating ultrashort laser pulses in spectral regions which are ordinarily difficult to achieve by the existing techniques. These pulses are specially attractive in the study of ultrafast (few femtosecond) atomic and molecular dynamics. The first involves Optical Parametric Amplification (OPA) mediated by four-wave-mixing in gas and supports the generation of ultrashort pulses in the Near-InfraRed (NIR) to the Mid-InfraRed (MIR) spectral region. By combining pulses at a centre wavelength of 800 nm and their second harmonic in an argon-filled holl

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17

Lindblom, Adam. "Inductive Pulse Generation." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6699.

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18

Cihangir, Salih. "Powder pulse plating." Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/40974.

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Electroplating is a common method of obtaining metallic coatings on a surface. Generally, the metal salt is introduced into solution and a direct current is applied to the material that is to be coated. In this thesis, an alternative approach is investigated, namely the metal is introduced onto the metal surface as a powder and a pulsed current is applied to firstly dissolve some of the powder and the polarity is reversed so that the metal is then deposited. This fuses the powder to itself and to the substrate. In the current study, deep eutectic solvents were used as the electrolytes and two

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19

McCormick, Martin (Martin Steven). "Digital pulse processing." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/78468.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 71-74).<br>This thesis develops an exact approach for processing pulse signals from an integrate-and-fire system directly in the time-domain. Processing is deterministic and built from simple asynchronous finite-state machines that can perform general piecewise-linear operations. The pulses can then be converted back into an analog or fixed-point digital representation through a filter-based reconst

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20

Nighthill, Abigail Stokes. "Taking nature's pulse." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/104026.

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Thesis: S.M. in Comparative Media Studies, Writing, Massachusetts Institute of Technology, Department of Humanities, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 22 ).<br>People have taken delight in nature throughout human history, but more recently the work of the natural historian has become more like that of the scientist. Using methods and tools of science, today's naturalists can record nature with precision-and through this, learn more about it. Ecologists now pay heed to the often-forgotten sense of hearing. The Tropical Ecology Lab at Uni

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21

Hall, William L. "The In Pulse." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1225066283.

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22

Tomás, Bruno Manuel Coelho. "Magnetic pulse welding." Master's thesis, Faculdade de Ciências e Tecnologia, 2010. http://hdl.handle.net/10362/4890.

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23

Bao, Ainan. "Ignition of hydrocarbon fuels by a repetitively pulsed nanosecond pulse duration plasma." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1198975288.

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24

Lee, Dongjoo. "Ultra-broadband phase-matching ultrashort-laser-pulse measurement techniques." Diss., Available online, Georgia Institute of Technology, 2007, 2007. http://etd.gatech.edu/theses/available/etd-07032007-113912/.

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Thesis (Ph. D.)--Physics, Georgia Institute of Technology, 2008.<br>First, Phillip, Committee Member ; Adibi, Ali, Committee Member ; Raman, Chandra, Committee Member ; Buck, John, Committee Member ; Trebino, Rick, Committee Chair.

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25

Nguyen, Dat. "Dynamic feedback pulse shaping for high power chirped pulse amplification system." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5826.

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The topic of this proposal is the development of high peak power laser sources with a focus on linearly chirped pulse laser sources. In the past decade chirped optical pulses have found a plethora of applications such as photonic analog-to-digital conversion, optical coherence tomography, laser ranging, etc. This dissertation analyzes the aforementioned applications of linearly chirped pulses and their technical requirements, as well as the performance of previously demonstrated parabolic pulse shaping approaches. The experimental research addresses the topic of parabolic pulse generation in

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26

Tan, Tuan Choon. "Multi-pulse coding of speech signals using adaptive pulse allocation technique." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47682.

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27

Rondani, Bruno. "Projeto, desenvolvimento e construção de um modulador de pulso estado-solido para transmissores pulsados de alta potencia." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261786.

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Orientador: Jose Antenor Pomilio<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-06T14:09:31Z (GMT). No. of bitstreams: 1 Rondani_Bruno_M.pdf: 5870538 bytes, checksum: 69f2b2bd154400cd5b620b87a2c4fe8c (MD5) Previous issue date: 2005<br>Resumo: Descreve-se neste trabalho o desenvolvimento de uma topologia de modulador de pulso estado-sólido e a linha de retardo modular, para aplicação em transmissores pulsados de alta potência que utilizem válvulas de microondas magnetron empregadas comument

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28

Wang, Ziyang. "Next Generation Ultrashort-Pulse Retrieval Algorithm for Frequency-Resolved Optical Gating: The Inclusion of Random (Noise) and Nonrandom (Spatio-Temporal Pulse Distortions) Error." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-04122005-224257/unrestricted/wang%5Fziyang%5F200505%5Fphd.pdf.

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Thesis (Ph. D.)--Physics, Georgia Institute of Technology, 2005.<br>You, Li, Committee Member ; Buck, John A., Committee Member ; Kvam, Paul, Committee Member ; Kennedy, Brian, Committee Member ; Trebino, Rick, Committee Chair. Vita. Includses bibliographical references.

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29

Mukherjee, Anadi. "Two Photon Resonant Picosecond Pulse Propagation in Lithium Vapor." Thesis, North Texas State University, 1987. https://digital.library.unt.edu/ark:/67531/metadc331546/.

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The work of this dissertation has been to prove that the coherence of multiphoton excitation can be studied by an appropriately phased and time delayed sequence of pulses. An application of this fundamental study of coherence has been made for the enhancement of third harmonic generation. The coherent recovery of the energy lost to the two photon absorption process enalled a larger propagation distance for the fundamental than in an interaction which is incoherent or coherent, but not using a 90 degree phase shifted pulse pair. Phase matching over this longer propagation distance gave an enha

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30

Narsetti, Renuka. "Application of pulsed electric fields and magnetic pulse compressor technology in water disinfection." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/5842.

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Thesis (M.S.)--University of Missouri-Columbia, 2005.<br>The 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 (January 24. 2007) Includes bibliographical references.

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31

McClelland, Robert S. "Spacecraft attitude control system performance using pulse-width pulse-frequency modulated thrusters." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA291803.

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32

Laurain, Alexandre, Declan Marah, Robert Rockmore, et al. "High power sub-200fs pulse generation from a colliding pulse modelocked VECSEL." SPIE-INT SOC OPTICAL ENGINEERING, 2017. http://hdl.handle.net/10150/625500.

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We present a passive and robust mode-locking scheme for a Vertical External Cavity Surface Emitting Laser (VECSEL). We placed the semiconductor gain medium and the semiconductor saturable absorber mirror (SESAM) strategically in a ring cavity to provide a stable colliding pulse operation. With this cavity geometry, the two counter propagating pulses synchronize on the SESAM to saturate the absorber together. This minimizes the energy lost and creates a transient carrier grating due to the interference of the two beams. The interaction of the two counter-propagating pulses in the SESAM is shown

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33

Conrad, Theodore Judson. "Miniaturized pulse tube refrigerators." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41108.

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Pulse tube refrigerators (PTR) are robust, rugged cryocoolers that do not have a moving component at their cold ends. They are often employed for cryogenic cooling of high performance electronics in space applications where reliability is paramount. Miniaturizing these refrigerators has been a subject of intense research interest because of the benefits of minimal size and weight for airborne operation and because miniature coolers would be an enabling technology for other applications. Despite much effort, the extent of possible PTR miniaturization is still uncertain. To partially remedy th

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34

East, Christine Elizabeth. "Fetal intrapartum pulse oximetry /." [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19387.pdf.

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35

劉藹欣 and Oi-yan Elizabeth Lau. "Wrist pulse contour analysis." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B35273525.

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36

Collins, Timothy. "Active sonar pulse design." Thesis, University of Birmingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311535.

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37

Millasseau, Sandrine. "Arterial pulse wave analysis." Thesis, King's College London (University of London), 2003. https://kclpure.kcl.ac.uk/portal/en/theses/arterial-pulse-wave-analysis(5002b38b-53de-4c76-af89-db21c08fea68).html.

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38

Lau, Oi-yan Elizabeth. "Wrist pulse contour analysis." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25085463.

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39

Bosman, Gurthwin Wendell. "Ultrashort optical pulse characterization." Thesis, Link to the online version, 2008. http://hdl.handle.net/10019/764.

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40

Deconda, Keerthi. "Fault tolerant pulse synchronization." Thesis, [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2331.

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41

Radnor, Samuel Benjamin Philip. "The ultra-wideband pulse." Thesis, Imperial College London, 2008. http://hdl.handle.net/10044/1/1312.

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Since the birth of mode-locking the temporal duration of optical pulses has radically diminished. In parallel to this, bandwidths have grown so large that almost entire frequency octaves are present in today’s few-cycle pulses. This thesis investigates the character of ultra-wideband pulses in nonlinear environments. Because of the growth in optical bandwidths, traditional definitions and propagation models break down, requiring newer more accurate numerical techniques. A novel approach capturing the uni-directionality of pulses is presented in the form of Gvariables by combining the electric

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42

Chin, Roger S. "Femtosecond laser pulse compression." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/29799.

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Once the Spectra-Physics Femtosecond Laser System had arrived, it had to be characterized. For further pulse compression, various techniques had to be considered. The best of these were chosen considering our needs and limitations. First, the Spectra-Physics Femtosecond Laser System is described and its 616 nm laser pulses are characterized. By using an autocorrelation technique based on the nonlinear optical characteristics of a potassium dihydrogen phosphate (KDP) crystal and assuming a particular intensity pulse shape (such as that described by a symmetric exponential decay), the pulse wi

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43

Jang, Geon-Ho. "Design and implementation of pulse sequences for application in MRI /." free to MU campus, to others for purchase, 1999. http://wwwlib.umi.com/cr/mo/fullcit?p9953868.

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44

Lotti, Antonio. "Pulse shaping and ultrashort laser pulse filamentation for applications in extreme nonlinear optics." Palaiseau, Ecole polytechnique, 2012. http://pastel.archives-ouvertes.fr/docs/00/66/56/70/PDF/tesi.pdf.

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Cette thèse traite de l'étude numérique des propriétés et des applications des impulsions spatio-temporellement couplées, paquets d'ondes coniques et filaments laser, dans les processus fortement non-linéaires, comme la génération d'harmoniques d'ordre élevé. Nous étudions la redistribution de l'énergie au sein de ces paquets d'ondes en propagation linéaire et non-linéaire. Le flux d'énergie constitue un diagnostic des couplages spatio-temporels que nous avons appliqué à des résultats expérimentaux réels. Nous analysons l'évolution spectrale des filaments dans un gaz et nous obtenons les condi

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45

Friedman, Melissa E. "Pulse shaping for broadband photoassociation of cold molecules." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:18d49cc2-9146-4ff8-b3b3-9e045bff039c.

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The development of the field of the science of ultra-cold matter has opened some exciting possibilities in exploring the quantum-mechanical processes which dominate matter interactions at the sub-microscopic scale. Although methods of cooling atoms are well established, molecular cooling is made difficult by molecules’ additional vibrational and rotational degrees of freedom. It was the goal of the research in this work to approach molecular cooling indirectly, by using broadband shaped-pulse photoassociation for the generation of tightly bound ultracold Rb<sub>2</sub> molecules. The experimen

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46

Kathuria, Amit D. "Optical pulse generation at high pulse rates for electro-optical analog to digital converters /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1426072.

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47

Buck, Nicholas V. "Minimum vibration maneuvers using input shaping and pulse-width, pulse frequency modulated thruster control." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA325615.

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Thesis (Degree of Aeronautical and Astronautical Engineer) Naval Postgraduate School, December 1996.<br>Thesis advisor(s): B.N. Agrawal. "December 1996." Includes bibliographical references (p. 149-150). Also available online.

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48

Qian, Xin. "Flow field investigation in pulse 1 motor of a two-pulse solid rocket motor." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03122009-040826/.

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49

Yang, Zhiqiang 1959. "Pulse-shaping to reduce the chirping effects of DFB laser diodes and pulse broadening." Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/278214.

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In this thesis, a computer simulation has been done to evaluate the wavelength chirping and pulse broadening effects induced by the direct intensity modulation using Distributed Feedback (DFB) laser diodes. In the simulation, a DFB laser diode is driven by either square wave current pulses or pulses with a small current Step in the Leading Edge (SLE). A comparative study is performed to justify the effectiveness of using SLE waves in modulation to reduce wavelength chirping and pulse broadening. Numerical results from the single-mode rate equations show that the SLE wave modulation reduces the

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50

Castelli, Claudio Selmi. "Combinador eletro-optico para geração de sinais pulsados ultra-rapidos de microondas." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259020.

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Orientador: Evandro Conforti<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-08T01:55:52Z (GMT). No. of bitstreams: 1 Castelli_ClaudioSelmi_M.pdf: 2856453 bytes, checksum: 1efb001a79f5f2d885e231abadd78d1f (MD5) Previous issue date: 2007<br>Resumo: Uma nova técnica de geração de sinais pulsados de microondas é desenvolvida. Baseia-se na composição de dois sinais arbitrários, um trem de pulsos ultra-rápidos e uma portadora de microondas, originados a partir de diferentes fontes e combinados n

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