Dissertations / Theses on the topic 'Harmonine'
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Nagel, Nadja [Verfasser], Wilhelm [Gutachter] Boland, and Rainer [Gutachter] Beckert. "Synthesis and bioactivity studies of harmonine : the defense alkaloid of the asian lady beetle Harmonia axyridis / Nadja Nagel ; Gutachter: Wilhelm Boland, Rainer Beckert." Jena : Friedrich-Schiller-Universität Jena, 2016. http://d-nb.info/1177611686/34.
Full textMichalski, Nicolas. "Transduction mécano-électrique auditive : identification et caractérisation fonctionnelle de ses composants." Paris 6, 2008. http://www.theses.fr/2008PA066632.
Full textEder, Petrus. "Die modernen Tonarten und die phrygische Kadenz." Tutzing : H. Schneider, 2004. http://catalogue.bnf.fr/ark:/12148/cb391687346.
Full textThunberg, Erik. "On the Benefit of Harmonic Measurements in Power Systems." Doctoral thesis, Stockholm, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3219.
Full textWright, P. S. "The accurate analysis of smoothly fluctuating harmonics applied to the calibration of harmonic analysers." Thesis, University of Surrey, 2002. http://epubs.surrey.ac.uk/843265/.
Full textZeng, Yijia. "Circuits photoniques III-nitrure avec des cristaux photoniques et des microdisques." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS070.
Full textNitride semiconductors are extremely interesting for integrated photonics on silicon. They have a large transparent window and dispose of non zero nonlinear susceptibilities which enable second and third order nonlinear experiments. In this context, this thesis has been devoted to integrated photonic circuits with microresonators such as photonic crystals and microdisks. The microcavity design and the fabrication process have been optimized in order to obtain a near infrared resonant mode with a quality factor up to 34000 for photonic crystals and 80000 for microdisks. I carried out harmonic conversion experiments such as second harmonic generation (SHG) and third harmonic generation (THG). With THG, by combining simply an optical objective and a CCD camera, I carried out near infrared photonic crystal modes imaging with a subwavelength spatial resolution (300 nm). I also did SHG imaging on microdisks with an optical excitation in resonance with the gallery mode for the pump laser. The last part of the work is dedicated to the demonstration of phase-matched SHG in microdisk photonic circuits between the TM-0-0-X and TM-0-2-2X modes by varying the microdisk diameter with a very small step (8 nm). These experiments have been done for resonant modes with quality factors around 10000.These demonstrations show the potential of III-nitride semiconductors for the realization of two dimensional optical circuits on silicon
Orillaza, Jordan Rel Cajudo. "Harmonic State Space Model of Three Phase Thyristor Controlled Reactor." Thesis, University of Canterbury. Electrical and Computer Engineering, 2012. http://hdl.handle.net/10092/6634.
Full textAlvarez, Christophe. "Masques Op. 34, Karol Szymanowski : étude de l’implication structurelle des différents niveaux du parcours harmonique : Analyse du discours et problématiques interprétatives." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR2018/document.
Full textThe purpose of this study is to show—by means of a rigorous analysis of the harmonic principles which govern the multiple sections of the piano triptych Masques Op. 34 of Karol Szymanowski — that beyond the apparently heterogeneous surface the musical discourse is subtly and coherently organised by the interpenetration of two layers: the immediate perception of sound structure and the underlayer which proceeds from the order of the harmonic fundamentals. This thesis also proposes suggestions for interpretation, determined by the analytical experience
PARMAN, JOSHUA BRYAN. "HARMONICE MUNDI." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1178140756.
Full textMoomaw, Charles Jay. "Augmented mediant chords in French Baroque music /." Ann Arbor : UMI, 2000. http://catalogue.bnf.fr/ark:/12148/cb37059818t.
Full textMcFarland, Mark John. "Claude Debussy and the concept of chromatic harmony in his late works : 1911-1915 /." Ann Arbor : UMI, 2001. http://catalogue.bnf.fr/ark:/12148/cb37659580f.
Full textCho, Namhun. "Allocation of individual harmonic emission limits in accordance with the principles of IEC/TR 61000-3-6." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/49075.
Full textLai, Tsz-ming Terence. "Harmonic simulation of traction system /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21929543.
Full textHorneman, M. (Markus). "Alkulukujen harmoninen sarja." Bachelor's thesis, University of Oulu, 2017. http://urn.fi/URN:NBN:fi:oulu-201712193343.
Full textBobčík, Martin. "Automatické generování harmonie." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-445574.
Full textLove, Geoffrey Neal. "Small signal modelling of power electronic converters, for the study of time-domain waveforms, harmonic domain spectra, and control interactions." Thesis, University of Canterbury. Electrical and Computer Engineering, 2007. http://hdl.handle.net/10092/1195.
Full textLo, Nhat truong. "Deuxième génération d'harmoniques dans la céramique de verre Germanotellurite dopés avec l'oxyde d'argent." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0281/document.
Full textThe importance of signal processing and transmission promotes new applications for nonlinear optical materials, such as frequency converters. Crystals are well known materials for these applications because of their strong optical nonlinear behaviour. However, they are costly to manufacture and are strongly dependant on crystal orientation. Glasses are possible candidates because of their optical properties and ease of fabrication but they possess no second-order nonlinearity due to their centrosymmetric structure. However, a glass-ceramic composite with ferroelectric crystals embedded in a glass matrix can combine the nonlinear properties of crystals with the easiness of fabrication of glasses.Germanotellurite glass and glass ceramics, doped with different amounts of silver oxide, in the (100-x)(70TeO2 – 10GeO2 – 10Nb2O5 – 10 K2O) – xAg2O (x=0-6 mol%) system, has been studied. The study consists of elaboration and characterization of a glass ceramic that can fulfil the requirements of nonlinear optical materials, with high transparency and intense nonlinear activity. The characteristics of the glasses and glass ceramics were determined by thermal analysis, X-ray diffraction, electron microscopy, UV-Vis and Raman spectroscopies. Bulk crystallization has been observed for the silver-doped glasses with a unique crystal phase, (Ag,K)[Nb1/3Te2/3]2O4.8, which presents second harmonic generation (SHG) activity. A single heat treatment yielded higher transparency than a 2-step heat treatment with a first heating at the nucleation temperature and a second treatment for crystal growth. For similar UV-Vis transmission and XRD patterns, the 1-step heat treated samples showed a two order higher SHG response than the 2-step one.This intensity difference comes from the size of domains within the two glass ceramics. The 1-step heat treatment was found to promote micron sized crystallized domains, while the two step heat treatment yielded sub-wavelength domain sizes. The global SHG macroscopic response was found to present typical dipolar behaviour. This dipole nature comes from each domain acting as SHG emitter. A characterization based on a correlative micro-Raman/micro-SHG technique, which can provide both structural information and local SHG responses within the same sub-micron areas, was performed, indicating that the organization of crystallites inside the domains makes their SHG response independent of light polarization. A structural model has been proposed to explain the general dipolar property and the light polarization independence
Deib, Deib Ali. "Programmed harmonic reduction in inverters and controlled rectifiers." Ohio : Ohio University, 1993. http://www.ohiolink.edu/etd/view.cgi?ohiou1173759592.
Full textLazar, Omar. "Etude de la régularité des solutions faibles d’énergie infinie d’une équation de transport non locale." Thesis, Paris Est, 2013. http://www.theses.fr/2013PEST1014/document.
Full textIn this thesis, we adress the study of weak infinite energy solutions for the critical dissipative quasi geostrophic (SQG) equation. We also study a 1D transport equation with non local velocity. More precisely, we consider the (SQG) equation equation with data in Morrey-Camapanto type spaces and the other equation in a weighted Lebesgue spaces. Both spaces generate infinite energy solutions. Regarding the 1D equation with non local velocity, the existence of weak Morrey solutions is not easy to obtain, this is due to the fact that the non linearity is not written in a divergence form. Nevertheless, we are able to adress the study this 1D equation in a weigted Lebesgue space and this also provides infinite energy solutions. In a first part, we show that for any initial data lying in a Morrey-Campanato space for large enough oscillations, we have global existence of weak solutions. The proof is based on the study of the truncated equation (on a ball of radius $R>0$ centered at the origin) associated with a truncated et regularized initial data (by making a convolution with a standard mollifer). We obtain emph{a priori} estimates that give rise to an energy inequality. Then, we treat the case of small oscillations, namely $0
Teulon, Claire. "Imagerie quantitative de biopolymères par génération de second harmonique résolue en polarisation." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLX073/document.
Full textCollagen is a key element of organs architecture in mammals. This protein is organized in tridimensional (3D) structures specific to each tissue and responsible for its biophysical and biomechanical properties. Multiphoton microscopy allows the visualization of unstained fibrillar collagens in biological tissues, by use of their endogenous second harmonic generation (SHG) signals. This work focuses on polarization-resolved SHG measurements (P-SHG), in order to characterize the collagen 3D structure in tissues, from the molecular scale to the macroscopic scale.We first studied the sensitivity and the reliability of those P-SHG measurements, and validated this technique as a quantitative tool to probe collagen structure in intact tissues.In collaboration with the Laboratoire de Chimie de la Matière Condensée de Paris, this technique was then applied to the study of collagen model systems with a liquid crystal like organization, in order to find the physico-chemical conditions leading to organizations close to the one observed in cornea.Finally, we introduced SHG circular difference measurements (CD-SHG). This technique allowed us to probe the polarity of collagen fibrils with respect to the image plane. Those measurements complement P-SHG measurements. An experimental implementation of this technique is introduced, as well as preliminary measurements in cornea. We present also preliminary results from CD-SHG/I-SHG correlative imaging, in collaboration with INRS, giving full information about collagen polarity
Damaj, Lana. "Antenne versatile intriquée." Thesis, Paris, ENST, 2013. http://www.theses.fr/2013ENST0010/document.
Full textThis thesis aims to develop wideband antennas interrelated with a filter, which we have defined as versatile intricate antennas. The antenna is versatile as it provides wide bandwidth (more than one octave) and has the capability to generate two orthogonal polarizations. On the other hand, the filter for harmonic rejection and the matching network are integrated parts of the radiating element and give it the intricate character.The first study is concentrated on designing a dual polarized antenna with a wide stop filter integrated to the feeding network. This filter enables to reject harmonics and unwanted response. The complete structure is compact with a size of 0.9 λ0x0.9 λ0, λ0 being the free space wavelength at the lowest frequency. In order to improve the compactness of the whole system and to cover more standards, we present a single and dual polarized wideband Harmonic Suppressed Antenna (HSA). This work explores the different techniques used to design a HAS. The proposed antenna is simple in structure but versatile in applications. In this approach, radiating element, filter for harmonic rejection and matching network, which are traditionally separated circuits, are incorporated into a single compact unit. The total size of the antenna is 0.53 λ0x0.53λ0. The final chapter aims to study the previous intricate antenna with a new wideband Artificial Magnetic Conductor (AMC) structure as reflector in order to obtain a low profile and directive antenna
Al-Jamali, Talal, and Jmmy Taivaloja. "MOTIVATION, PASSION OCH SJÄLVFÖRTROENDE HOS FOTBOLLSSPELARE I SVENSKA UNGDOMSLANDSLAG." Thesis, Högskolan i Halmstad, Sektionen för hälsa och samhälle (HOS), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-24994.
Full textThe purpose of the study was to investigate motivationalfactors, passionfactors and level of confidence players among the youth Swedish nationalteam in soccer. Furthermore the relationship between passion and confidence was investigated and also how motiovation is related to passion and confidence. 288 male and female soocer players aged between 15-17 (M=16.02, Sd=1.06) took part of the study. Vealey Sportconfidence Scale (VSS), Sport Motivation Scale (SMS) andThe Passion Scale (PS) was used in the study. The results showed statistically significant relationships between passion, motivation and confidence. The results showed that internal motivational factors was most common in youth national team players and that harmonic passion showed a more significant relationship with confidence than obsessive passion did. Further the results were analyzed and discussed in relation theories and earilier findings. Like all fields of research, further research on a wider population and with larger sample is needed in order to establish any form of conclusions.
Willer, Marcelo. "Harmonia." reponame:Repositório Institucional da UFPR, 2012. http://hdl.handle.net/1884/27148.
Full textRaimundo, Nuno de Mendonça Freire Nogueira. "A harmonia musical da arquitectura de seiscentos. Análise e intervenção no Convento de Santa Marta." Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2014. http://hdl.handle.net/10400.5/7182.
Full textSbeity, Fatima. "Identification et modélisation de systèmes non linéaires générant des sous et ultra-harmoniques : Application à l'imagerie ultrasonore sous et ultra-harmonique." Phd thesis, Université François Rabelais - Tours, 2013. http://tel.archives-ouvertes.fr/tel-01062555.
Full textDaniliauskienė, Jolanta. "VASAROS HARMONIJA." Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100907_093349-42421.
Full textThe subject of the graduation thesis is “Summer Harmony”. The aim of this work is to reveal the experienced emotions, with the help of colours to convey the harmony of the nature, the rhythm as well as the characteristics of constantly changing light and colour. The painting consists of three scenes which are done in classical different painting techniques, in acrylics. The objectives. To prepare a theoretical analysis of the sources of the work; to review the reasons for the choice of the topic; to describe the experimenting and searching path and the performing techniques; to present the theoretical material on applicability of the topic in pedagogical work; to write the conclusions and to do a painting. The conclusions. In aesthetics the problem of the art and its knowledge is developed as a part of the artistic identity problem. The artistic values satisfy certain aesthetic human needs. An art work is only a tool to facilitate that knowledge which makes aesthetic satisfaction. Impressionists were the first to depict not the nature itself but the emotions caused by it and the first impression. Their works have made a significant impact on the development of the painting. One of the most important tasks of a modern art teacher is to liberate the individual׳s creativity, to teach students to master different techniques which could open unlimited opportunities to express themselves, to let them experience the joy of the creative process.
Dieterlen, Michel. "L'harmonium : le jeu expressif du Second Empire et la voix céleste du XIXème siècle /." Villeneuve d'Ascq : Presses universitaires du Septentrion, 2000. http://catalogue.bnf.fr/ark:/12148/cb37205610v.
Full textLameiras, Francisco Barroso. "Reinterpretação de um instrumental musical." Master's thesis, Universidade de Lisboa, Faculdade de Arquitetura, 2017. http://hdl.handle.net/10400.5/14177.
Full textNgo, Hoang Minh. "Propriétés optiques non linéaires de molécules et de nanoparticules métalliques pour la photonique." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLN050/document.
Full textNonlinear optics is well known to be a highly powerful tool to investigate the photonic properties of molecules, materials and nanostructures. Size and shape of noble metal nanoparticles (NMNPs) strongly influence their second-order nonlinear optical properties. In this PhD thesis, we propose a systematic investigation of the influence of the nanoparticle surface area on their first hyperpolarizability beta values. Powdery-silver nanoparticles (diameters 7 nm) and colloidal solutions on NMNPs with different composition, sizes and shapes have been synthesized, i.e. silver nanospheres (diameters 10 nm), gold nanospheres (diameters 3.0; 11.6; 15.8; 17.4; 20.0 and 43 nm), gold nanorods (aspect ratios 1.47; 1.63 and 2.30), silver nanorods (aspect ratios 5.0; 6.3; 7.5; 8.2 and 9.7), platinum nanoflowers (diameters 7.0; 8.0; 10.0; 14.0; 20.0 and 31.0 nm) and gold nanoprisms (edge length tuned from 47.5 to 112.3 nm). Harmonic light scattering (HLS) at 1064 nm is used to investigate the second harmonic generation from colloidal NMNPs, and to infer their first hyperpolarizability tensor beta. For the nanospheres and nanorods investigated in this work, we demonstrate that their beta values display a strong dependence with their surface area, which is the dominant parameter in the evolution of beta values. Otherwise, particle surface corrugation and shape irregularities of nanoflowers are responsible for exceptionally high beta values. Moreover, we report for the first time in the literature that the beta values of nanoprisms display not only a linear dependence with respect to the surface area, but are also sensitive to the sharpness of the triangle vertices
Monchocé, Sylvain. "Contrôle et métrologie de la génération d'harmoniques sur miroir plasma." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112344.
Full textWhen an ultra intense femtosecond laser with high contrast is focused on a solid target, the laser field at focus is sufficient enough to completely ionize the target surface during the rising edge of the laser pulse and form a plasma. This dense plasma entirely reflects the incident beam in the specular direction: this is a so-called plasma mirror. As the interaction between the laser and the plasma mirror is highly non-linear, it thus leads to the high harmonic generation (HHG) in the reflected beam. In the temporal domain, this harmonic spectrum is associated to a train of attosecond pulses.The aim of my PhD were to experimentally control this HHG and to measure the properties of the harmonics. We first studied the optimization of the harmonic signal, and then the spatial characterization of the harmonic beam in the far-field (harmonic divergence). These characterizations are not only important to develop an intense XUV/attosecond light source, but also to get a better understanding of the laser-matter interaction at very high intensity. We have thus been able to get crucial information of the electrons and ions dynamics of the plasma, showing that the harmonics can also be used as a diagnostic of the laser-plasma interaction.We then developed a new general approach for optically-controlled spatial structuring of overdense plasmas generated at the surface of initially plain solid targets. We demonstrate it experimentally by creating sinusoidal plasma gratings of adjustable spatial periodicity and depth, and study the interaction of these transient structures with an ultraintense laser pulse to establish their usability atrelativistically high intensities. We then show how these gratings can be used as a `spatial ruler' to determine the source size of the high-order harmonic beams roduced at the surface of an overdense plasma. These results open new directions both for the metrology of laser-plasma interactions and the emerging field of ultrahigh intensity plasmonics
Anand, Christopher Kumar. "Harmonic maps." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59558.
Full textWilmhurst, Alan Stephen. "Complex harmonic mappings and the valence of harmonic polynomials." Thesis, University of York, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259748.
Full textPašović, Mirza. "Tissue harmonic reduction : application to ultrasound contrast harmonic imaging." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10060.
Full textUltrasound contrast agents are small micro bubbles that respond nonlinearly when exposed to ultrasound wave. The nonlinear response gives possibility of harmonic ultrasound images which has many advantages over fundamental imaging. However, to increase ultrasound contrast harmonic imaging performance we must first understand nonlinear propagation of ultrasound wave. Nonlinear propagation distorts the propagating wave such that higher harmonics appear as the wave is propagating. The theory that was laid down, was allowed implementing a new method of modelling nonlinear ultrasound propagation. The knowledge obtained during this process was used to construct a multiple component second harmonic reduction signal for reduction of their harmonics generated due to the tissue nonlinearities. As a consequence detection of ultrasound contrast agents at higher harmonics was increased. Further more, a powerful ultrasound imaging technique called Pulse Inversion, was further enhanced with multiple component second harmonic reduction signal. What was learned during investigation of the Pulse Inversion, technique lead to a new phase coded ultrasound contrast harmonic method called second harmonic inversion;. Also it was noted that for different type of media the level of distortion of ultrasound pulse is different. It depends largely on the nonlinear parameter B / A. Although the work on this parameter has not been finished it is very important to continue in this direction since B / A imaging with ultrasound contrast agents has a lot of potential
Jovan, Knežević. "Novi metod za analizu harmonijskog izobličenja signala kod ocene kvaliteta električne energije." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2016. http://www.cris.uns.ac.rs/record.jsf?recordId=100921&source=NDLTD&language=en.
Full textScientific research in this thesis discusses power qualityanalysis. High power quality assumes that both the voltagepower supply and the load current are ideal sinusoidal signalswith a precisely defined amplitude and frequency. Anydeviations from this ideal vaweform are considered as distortionand are characterised by harmonics.Over the last few decades, there has been a rapid developmentof semiconductor components. Such components made animpact on the fast development of power electronics devices.These devices are nonlinear, introducing harmonics in bothvoltage and current of the power grid. The first issue researchedin this thesis is the analysis of the rectifier voltage and currentwaveforms. Methods used for the analysis are the wavelettransform (WT) and the modulated overlapped transform (MLT).The MLT overcomes the drawback of the WT, whichdecomposes the signal into subbands that can contain moreharmonics, and gives accurate information about everyharmonic. Both methods are suitable for offline analysis. Foronline analysis, a hybrid method is proposed, based on thediscrete Fourier transform (DFT) and the adaptive notch filter(EPLL). The hybrid method retains a good dynamic response ofthe DFT whereas the EPLL provides a synchronisation with thefundamental system frequency. The hybrid method providesaccurate information on the fundamental and the higherharmonics only if their frequencies are integer multiples of thefundamental frequency. In the case of interharmonics, i.e. whenthis integer ratio is not valid, the hybrid method does not provideaccurate results. In order to analyse such signals, a newmethod is proposed. It is based on discrete adaptive notch filter(ANF), i.e. the method uses a discrete notch filter for modelingthe harmonic components in the input signal, whereas anExtended Kalman Filter (EKF) is used as an adaptationalgorithm. The adaptive notch Kalman filter inherited theproperty of the ANF to adaptively track changes in thefrequency and the property of the EKF to have a faster dynamicresponse. Methods have been implemented in a digital signalprocessor and compared with the existing ones. The methodsshow advantages compared to other methods.
Wang, Ying. "Konzepte von Harmonie, Textur und Variation." Georg Olms Verlag, 2016. https://slub.qucosa.de/id/qucosa%3A7676.
Full textJacquet, Caroline. "Leibniz et Hesse, existence et harmonie." Thesis, Lyon 3, 2011. http://www.theses.fr/2011LYO30021.
Full textThe aim of this thesis, is to pursue and examine thoroughly the study of the leibnizian thought we began to process in our Mastership and D.E.A. Looking at the frontier between philosophy and literature, we develop the viewpoint of the leibnizian novelist, Hermann Hesse (1877-1962), whose impressive work offers numerous connections with leibnizian theory. We based our study on the main notions of existence and harmony, which are both important concepts in the works of Leibniz and Hesse. Throwing light on some underlying leibnizian subjects in Hessian poetic thought, we examine the impact of leibnizian metaphysics in the literary universe of Hesse, which, at first sight, escapes to rationality.Analysing the notions of existence and harmony in Hesse and Leibniz leads to define precisely some leibnizian concepts which are very essential ones : expression ( of bodies, minds, universe…), communication, conception of freedom, optimism. In the leibnizian universe, which is a "kaleidoscopic" one and a site where numerous interactions and concomitances take place, the individual, though being determined in his essence as a "monad", i.e. a completely self-sufficient entity, only exists by inclusion in the whole world it belongs to. We tried to reveal the omnipresence of a number of leibnizian concepts in Hesse, who conceives the world as a set of correlations and subtle resonances, governed by an immanent superior Being. Like the leibnizian monad, the hessian individual contains in himself infinite possibilities, which it is his own responsability to explore and develop, in the view of making the experience of happiness. The search for a kind of eudemonism, which constitutes a basic question in the hessian work, is also an existential instanciation of the philosophical concept of optimism, a leibnizian subject. In Hesse's work, man is in search of an art of living, which can make him get self-fulfilment and absolute serenity. Longing for a mental balance, and for a true communication with the outer world – maybe with some divine principle – he is searching his niche in life, in its universal harmony
Bonnefoy, Carine. "Le jazz symphonique. Harmonie et spatialité." Thesis, Paris 4, 2017. http://www.theses.fr/2017PA040216.
Full textThis research relates to my pursuits as a pianist, composer and conductor, and concerns the development of the art of symphonic jazz. Symphonic jazz has represented a musical hybrid and a field of research around the soundscape of the orchestra. In many ways, it has been a forerunner in exploring the possibilities for creating music in which jazz and scholarly approaches and inquiries had entered into a productive dialectic. Hence the favoured approach to writing now integrates a variety of instruments as a fundamental revealer of musical structures. The composer creates a musical process that allows the material to express itself and spread its expressive and perceptive potential through comprehension of the orchestral space. Identifying and understanding the composer’s listening strategies for the listener, as well as the way he increases the meaning of the elements constituting the work is one of the main subjects of research
Mazumdar, Joy. "System and method for determining harmonic contributions from nonlinear loads in power systems." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/23215.
Full textDimitrijevic, Miona. "Les transformations des relations tonales, des fonctions et des types formels contribuant à l'unité compositionnelle dans les œuvres orchestrales de Max Reger." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAC020.
Full textThe analysis examined the impact of tonal relations and transformed formal types and functions on the compositional unity in Max Reger’s orchestral works. The theoretical background consisted of New Formenlehre and Harmonielehre. The form conceived as a succession of functions, was analyzed on the basis of Caplin’s formal function theory. His analytical apparatus was combined with the sophisticated punctuation model and the concept of “deformation” developed in the competing sonata theory of Hepokoski and Darcy. In consideration of tonal relationships and structure, the analysis adhered to Schoenberg’s concept of monotonality. The analytical attention was focused on harmonic motives derived from chords, progressions and the bass line. The Grundgestalt (basic configuration) was perceived as a motivic structure or quasi-arrhythmic interval contour. The analysis showed how Reger has confirmed the clarity of the tonal unity of a movement or work in whole
Dalvi, Mahesh. "Computer controlled generation of PWM waveform using harmonic distortion minimization scheme." Ohio : Ohio University, 1997. http://www.ohiolink.edu/etd/view.cgi?ohiou1177442328.
Full textHungerbühler, Norbert. "p-harmonic flow /." [S.l.] : [s.n.], 1994. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10740.
Full textThomack, Andrew. "Random Harmonic Polynomials." Thesis, Florida Atlantic University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10681500.
Full textThe study of random polynomials and in particular the number and behavior of zeros of random polynomials have been well studied, where the first signicant progress was made by Kac, finding an integral formula for the expected number of zeros of real zeros of polynomials with real coefficients. This formula as well as adaptations of the formula to complex polynomials and random fields show an interesting dependency of the number and distribution of zeros on the particular method of randomization. Three prevalent models of signicant study are the Kostlan model, the Weyl model, and the naive model in which the coefficients of the polynomial are standard Gaussian random variables.
A harmonic polynomial is a complex function constructed by summing an analytic polynomial with a conjugated analytic polynomial. Li and Wei adapted the Kac integral formula for the expected number of zeros to study random harmonic polynomials and take particular interest in their interpretation of the Kostlan model. In this thesis we find asymptotic results for the number of zeros of random harmonic polynomials under both the Weyl model and the naive model as the degree of the harmonic polynomial increases. We compare the findings to the Kostlan model as well as to the analytic analogs of each model.
We end by establishing results which lead to open questions and conjectures about random harmonic polynomials. We ask and partially answer the question, “When does the number and behavior of the zeros of a random harmonic polynomial asymptotically emulate the same model of random complex analytic polynomial as the degree increases?” We also inspect the variance of the number of zeros of random harmonic polynomials, motivating the work by the question of whether the distribution of the number of zeros concentrates near its mean as the degree of the harmonic polynomial increases.
Skorcz, Alex Joseph. "Performance evaluation of an active filter non-regenerative AC drive." Thesis, Texas A&M University, 2007. http://hdl.handle.net/1969.1/85833.
Full textJaming, Philippe. "Trois problemes d'analyse harmonique." Orléans, 1998. http://www.theses.fr/1998ORLE2011.
Full textinfini, a l'aide de fonctions maximales, d'integrales d'aire et de fonctions g de littlewood-paley. Nous concluons par l'etude des problemes d'ambiguite radar lies aux representations du groupe de heisenberg ou du groupe ax + b. Plus precisement, la fonction d'ambiguite radar a(u) associee au groupe de heisenberg est la transformee de fourier bidimensionnelle de la distribution de wigner de u. Pour u fixe, nous voulons determiner l'ensemble s(u) des fonctions v telles que a(u) et a(v) aient meme module. Dans un premier temps, nous construisons des fonctions u pour lesquels l'ensemble s(u) n'est pas minimal. Ensuite nous determinons partiellement cet ensemble dans le cas ou u est une fonction a support compact, ce qui nous permet d'obtenir de nouveaux exemples de fonctions u pour lequel s(u) est minimal. Nous obtenons enfin des resultats similaires pour les fonctions d'ambiguite radar liees au group ax + b.
Chirac, Théophile. "New spintronic components based on antiferromagnetic materials." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS482.
Full textCurrent magnetic memory devices are reaching their physical limits in terms of stability, speed and power consumption as the race to miniaturization intensifies. The emergent research field of spintronics studies the collective behavior of spins in matter and their interplay at interfaces, to find new avenues in terms of materials, architectures and stimulation sources. A particularly promising group of materials are the antiferromagnets. These abundant magnetically ordered materials are naturally stable, robust, ultra-fast and compatible with insulator electronics. Indeed, most transition metal oxide compounds are antiferromagnetic insulators, have resonance in the terahertz range and flop fields of tens of teslas. They can also be semi-metals, metals, semiconductors, superconductors or multiferroics. This thesis focuses on two antiferromagnets: nickel oxide (NiO) and bismuth ferrite (BiFeO₃). NiO is the archetypical antiferromagnet at ambient temperature with a simple crystalline structure. Using dynamical atomistic simulations, I show that this compound can be the elemental brick of a three state memory device controlled by currently available pulses of spin currents, with a picosecond response time. The simulations also explain the formation of chiral structures in BiFeO₃, a ferroelectric antiferromagnet with magnetoelectric coupling between the two orders. In a second part, antiferromagnetic domains in BiFeO₃ are experimentally observed using second harmonic generation of light, with a sub-micron spatial resolution. Antiferromagnetic domains of BiFeO₃ are then excited by an intense femtosecond laser pulse, and the dynamics of the two coupled orders (antiferromagnetism and ferroelectricity) is studied with a sub-picosecond time resolution. Finally, the injection of spin current in an antiferromagnet such as BiFeO₃ or NiO is envisioned by characterizing the spin bursts generated by ultrafast laser-induced demagnetization of adjacent ferromagnetic layers
Guedeney, Thomas. "Modélisation des interactions rotor-stator par une méthode d'équilibrage harmonique." Phd thesis, Ecole Centrale de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00948101.
Full textLai, Tsz-ming Terence, and 黎子明. "Harmonic simulation of traction system." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B3122281X.
Full textLandahl, Tove. "Blackout : En observationsstudie om memorering av harmonik inom klassiskt pianospel och hur memorering kan komma att påverka konsertnerverna hos pianister." Thesis, Karlstads universitet, Institutionen för konstnärliga studier, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-48530.
Full textA study about conscious memorization of harmony in classical piano playing. The study is based on observations of a twelve week period and on chosen literature from previous research in this field. The purpose of the study is to get a deeper knowledge and understanding in how memorizing can effect the results at a performance and also what other benefits and disadvantages there could be. The study has as a starting point three questions. These questions are about memorization of harmonics as a method to learn a music piece, the benefits and disadvantages with conscious memorization and also if a pianist can feel safer on stage after consciously memorizing harmony. As a future teacher I hope this study will help me with my own performances and also the pupils that I will teach and meet during my professional work as a musicteacher.
Kaassamani, Shatha. "Polarization Spectroscopy of High Order Harmonic Generation in Semiconductors Orbital angular momentum from semiconductor high-order harmonics All semiconductor enhanced highharmonic generation from a single nanostructured cone." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP091.
Full textSince its first observation, a decade ago, high harmonic generation (HHG) in crystals has proved to be an efficient, controllable and compact source of coherent XUV radiation. In this thesis, we investigate HHG in 2D materials, particularly graphene, and in different semiconductor crystals mainly zinc oxide, silicon, gallium arsenide and magnesium oxide. We find that the laser properties, such as its intensity, polarization and ellipticity, and the crystal properties are interrelated. Moreover, we shed the light on the role of the linear and nonlinear propagation effects mainly the Kerr effect, upon laser interaction with the crystal, which can significantly influence the high harmonic generation efficiency. Although this presents major limitations, we show that in some cases it turns out to be an advantage. Finally, we demonstrate the manipulation of the harmonic radiation at the source of the emission by patterning nanostructures to confine and enhance nanojoule laser pulses, and generate harmonic beams carrying orbital angular momentum. Lastly, we successfully image a micrometer-sized sample by the coherent diffractive imaging (CDI) technique based on solid-state harmonics
Wise, Scott L. "Octet for Winds." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1368025151.
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