Letteratura scientifica selezionata sul tema "Transformation spectrale"
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Articoli di riviste sul tema "Transformation spectrale":
DE LA RUE, THIERRY. "L'induction ne donne pas toutes les mesures spectrales". Ergodic Theory and Dynamical Systems 18, n. 6 (dicembre 1998): 1447–66. http://dx.doi.org/10.1017/s0143385798118059.
Baran, Mehmet. "Single and Multi-Soliton Solutions for a Spectrally Deformed Set of Maxwell-Bloch Equations". Symmetry 11, n. 3 (25 marzo 2019): 435. http://dx.doi.org/10.3390/sym11030435.
TIAN, SHOU-FU, e HONG-QING ZHANG. "CONSTRUCTING 2N-SOLITON PERIODIC WAVE SOLUTIONS FOR GENERALIZED DERIVATIVE NONLINEAR SCHRÖDINGER EQUATION". International Journal of Modern Physics C 21, n. 09 (settembre 2010): 1149–68. http://dx.doi.org/10.1142/s0129183110015737.
Dooley, A. H., e S. J. Eigen. "A Family of Generalized Riesz Products". Canadian Journal of Mathematics 48, n. 2 (1 aprile 1996): 302–15. http://dx.doi.org/10.4153/cjm-1996-016-1.
Deng, Y., e C. Wu. "EXAMINATION OF SPECTRAL TRANSFORMATIONS ON SPECTRAL MIXTURE ANALYSIS". ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (30 aprile 2018): 267–70. http://dx.doi.org/10.5194/isprs-archives-xlii-3-267-2018.
Al-Dulaimi, Al-Waled, Todd K. Moon e Jacob H. Gunther. "Voice Transformation Using Two-Level Dynamic Warping and Neural Networks". Signals 2, n. 3 (14 luglio 2021): 456–74. http://dx.doi.org/10.3390/signals2030028.
García-Ardila, Juan Carlos, e Francisco Marcellán. "Spectral Transformations and Associated Linear Functionals of the First Kind". Axioms 10, n. 2 (28 maggio 2021): 107. http://dx.doi.org/10.3390/axioms10020107.
Garza, Luis, Javier Hernández e Francisco Marcellán. "Spectral transformations of measures supported on the unit circle and the Szegő transformation". Numerical Algorithms 49, n. 1-4 (31 gennaio 2008): 169–85. http://dx.doi.org/10.1007/s11075-008-9156-0.
Albares, Paz, e Pilar Garcia Estévez. "Miura-Reciprocal Transformation and Symmetries for the Spectral Problems of KdV and mKdV". Mathematics 9, n. 9 (22 aprile 2021): 926. http://dx.doi.org/10.3390/math9090926.
YANG, HONG-XIANG, DAO-LIN WANG e CHANG-SHENG LI. "THE GENERALIZED MULTI-COMPONENT AKNS HIERARCHY AND N-FOLD DARBOUX TRANSFORMATION". Modern Physics Letters B 20, n. 25 (30 ottobre 2006): 1575–89. http://dx.doi.org/10.1142/s0217984906011864.
Tesi sul tema "Transformation spectrale":
Hanna, Pierre. "Modélisation statistique de sons bruités : étude de la densité spectrale, analyse, transformation musicale et synthèse". Bordeaux 1, 2003. http://www.theses.fr/2003BOR12756.
Feltekh, Kais. "Analyse spectrale des signaux chaotiques". Phd thesis, INSA de Toulouse, 2014. http://tel.archives-ouvertes.fr/tel-01071919.
Bensemra-Zegadi, Nacera. "Analyse spectrale locale d'images texturées par transformation en ondelettes : application à la quantification de textures osseuses". Lyon, INSA, 1998. http://www.theses.fr/1998ISAL0042.
Texture is naturally a multi-scale notion which is linked to a human observant. In its classical form, wavelet transform (WT) is a multi-scale representation. It permits a hierarchical texture observation, in a global and a local manner, similar at the human vision and which characterise spatial interactions into-scale. We focus also on a second interpretation of WT as a frequency analysis tool. Space-frequency transformations associate a local frequential spectrum to each point of the image. Thus, spectrogram, Gabor transform, Wigner-Ville transform and the quadratic form of WT can be defined for images in a class of energetic representations. Relationships between these transformations can be expressed by means of the Wigner-Ville transform, which plays a central theoretical role. A Mellin-Fourier transform based technique is proposed. The obtained spectral representation is well adapted to texture analysis. It allows extracting a large number of frequential parameters from local spectra. Moreover, parameters characterising orientation and anisotropy are proposed and illustrated with natural textures. WT is also well suited to estimate -the fractal dimension. This last parameter permits to characterise the roughness texture. The textural approach is a non invasive method which is particularly interesting to quantify structural variations due to vertebra aging. We have used local analysis methods and some global ones on radiological images of vertebra (obtained in high resolution tomography and in sagital micro-radiography), which contains different directional informations
Manna, Miguel A. "La méthode de la transformation spatiale : résolution des équations d'évolution non linéaires par l'analyse D-BAR". Montpellier 2, 1987. http://www.theses.fr/1987MON20072.
Mahmoud, Ali. "Analyseur de spectre à haute résolution : Apllication à la mesure des oscillateurs ultrastables". Besançon, 1989. http://www.theses.fr/1989BESA2004.
Gorecki, Christophe. "Classification par échantillonnage de la densité spectrale d'énergie : Application à l'étude statistique des surfaces et à l'analyse de particules". Besançon, 1989. http://www.theses.fr/1989BESA2015.
Chabbabi, Fadil. "Les applications qui commutent avec la transformation de Aluthge". Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10062/document.
Our aim in this thesis in function analysis is to study the bijective maps between the algebras of linear and bounded operators, which commute with the Aluthge transform in different way. In the first part, we study the Aluthge transformation which play an crucial role on operator theory in the recent years. We will establish some useful results and properties of the λ-Aluthge transform. These results are required to prove our main theorems in the next chapters. In the second part, we study the bijective and additive maps which commute with the λ-Aluthge transform. We also give a description of ω-additive commuting maps with this transformation. In the last part, we consider the problem of commuting maps with the λ-Aluthge transform, under the usual product and Jordan product, we show that these maps are a simple form. Finally, we give several expressions of the spectral radius via the λ-Aluthge transform and its iterates
Serier, Frédéric. "Problèmes spectraux inverses pour des opérateurs AKNS et de Schrödinger singuliers sur [0,1]". Phd thesis, Université de Nantes, 2005. http://tel.archives-ouvertes.fr/tel-00009719.
Charpentier, Francis. "Traitement de la parole par analyse-synthese de fourier : application a la synthese par diphones". Paris, ENST, 1988. http://www.theses.fr/1988ENST0009.
Mounsif, Mostafa. "Le problème des moments par la méthode de l'entropie maximale". Montpellier 2, 1992. http://www.theses.fr/1992MON20171.
Libri sul tema "Transformation spectrale":
CRM Workshop on Hamiltonian Systems, Transformation Groups and Spectral Transform Methods (1989 Université de Montréal). Proceedings of the CRM Workshop on Hamiltonian Systems, Transformation Groups and Spectral Transform Methods. Montréal, QC: Les publications CRM, 1990.
Iliev, I. D. Spectral methods in soliton equations. Harlow, Essex, England: Longman Scientific & Technical, 1994.
Center, Goddard Space Flight, a cura di. Spectral and spectral-element methods: Lecture notes in high performance computational physics. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1997.
Center, Goddard Space Flight, a cura di. Spectral and spectral-element methods: Lecture notes in high performance computational physics. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1997.
Center, Goddard Space Flight, a cura di. Spectral and spectral-element methods: Lecture notes in high performance computational physics. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1997.
McGowan, Thomas D. Radiation stress spectral transformation across the surf zone. Monterey, Calif: Naval Postgraduate School, 1992.
Albeverio, Sergio, Michael Demuth, Elmar Schrohe e Bert-Wolfgang Schulze, a cura di. Nonlinear Hyperbolic Equations, Spectral Theory, and Wavelet Transformations. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8073-2.
Sabot, C. Spectral properties of self-similar lattices and iteration of rational maps. France: Societe Mathematique de France, 2003.
N, Robson P., e Kendall P. C, a cura di. Rib waveguide theory by the spectral index method. Taunton, Somerset, England: Research Studies Press, 1990.
A, Marchenko V. Sturm-Liouville operators and applications. Basel: Birkhäuser Verlag, 1986.
Capitoli di libri sul tema "Transformation spectrale":
Pokorný, Jiří, e Tsu-Ming Wu. "Spectral Transformation of Energy". In Biophysical Aspects of Coherence and Biological Order, 120–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03547-4_7.
Wadoux, Alexandre M. J. C., Brendan Malone, Budiman Minasny, Mario Fajardo e Alex B. McBratney. "Spectral Transfer and Transformation". In Progress in Soil Science, 215–47. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64896-1_10.
Steudel, H. "Darboux transformation for a spectral problem quadratic in the spectral parameter". In Bäcklund and Darboux Transformations. The Geometry of Solitons, 411–18. Providence, Rhode Island: American Mathematical Society, 2001. http://dx.doi.org/10.1090/crmp/029/37.
Nazaret, Bruno, e Matthias Holschneider. "An Interpolation Family between Gabor and Wavelet Transformations". In Nonlinear Hyperbolic Equations, Spectral Theory, and Wavelet Transformations, 363–94. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8073-2_7.
Hecht, K. T. "Transformation Theory for Systems with Continuous Spectra". In Quantum Mechanics, 167–72. New York, NY: Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4612-1272-0_18.
Burgos, Rosa Nidia Buenfil. "The Spectre of Theory in Curriculum for Educational Researchers: A Mexican Example". In Education, Equity and Transformation, 461–78. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4076-8_6.
Popivanov, P. R. "Nonlinear PDE. Singularities, Propagation, Applications". In Nonlinear Hyperbolic Equations, Spectral Theory, and Wavelet Transformations, 1–94. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8073-2_1.
Hirosawa, Fumihiko, e Michael Reissig. "From Wave to Klein—Gordon Type Decay Rates". In Nonlinear Hyperbolic Equations, Spectral Theory, and Wavelet Transformations, 95–155. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8073-2_2.
Dreher, Michael. "Local Solutions to Quasi-linear Weakly Hyperbolic Differential Equations". In Nonlinear Hyperbolic Equations, Spectral Theory, and Wavelet Transformations, 157–205. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8073-2_3.
Baldus, F. "An Approach to a Version of the S(M, g)-pseudo-differential Calculus on Manifolds". In Nonlinear Hyperbolic Equations, Spectral Theory, and Wavelet Transformations, 207–48. Basel: Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-8073-2_4.
Atti di convegni sul tema "Transformation spectrale":
Shi, C. J., K. J. Daun e M. A. Wells. "Effect of Heating Atmosphere on the Spectral Emissivity of the Usibor® 1500P Steel During Austenitization". In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50475.
Wang, Weizhi, Arun Kamath, Csaba Pákozdi e Hans Bihs. "A Numerical Investigation on Wave Spectrum Identification and Transformation From Deep to Shallow Waters for the Coastal and Offshore Installations". In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-79010.
Takiguchi, Koichi, e Nozomu Nishio. "Spectrally Efficient THz-wave Multi-carrier Wireless Communication Using THz-domain Fourier Transformation-type Demultiplexer". In Conference on Lasers and Electro-Optics/Pacific Rim. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleopr.2022.cmp18b_04.
Singh, Virendra, e Manini Singh. "Analysis and transformation of image using spectral transformation technique". In 2010 International Conference on Signal and Image Processing (ICSIP). IEEE, 2010. http://dx.doi.org/10.1109/icsip.2010.5697451.
Chiaia, Giancarlo, Leonardo Damiani e Antonio Petrillo. "Wave Spectra Transformations". In 22nd International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1991. http://dx.doi.org/10.1061/9780872627765.085.
Raja, Kiran, Naser Damer, Raghavendra Ramachandra, Fadi Boutros e Christoph Busch. "Cross-Spectral Periocular Recognition by Cascaded Spectral Image Transformation". In 2019 IEEE International Conference on Imaging Systems and Techniques (IST). IEEE, 2019. http://dx.doi.org/10.1109/ist48021.2019.9010520.
McWherter, David, Mitchell Peabody, William C. Regli e Ali Shokoufandeh. "Transformation Invariant Shape Similarity Comparison of Solid Models". In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dfm-21191.
Fedorov, Vladimir V., Igor S. Moskalev, Sergey B. Mirov, Tasoltan T. Basiev e Petr G. Zverev. "Spatial-spectral transformation of laser radiation". In Optical Science and Technology, SPIE's 48th Annual Meeting, a cura di Fred M. Dickey e David L. Shealy. SPIE, 2003. http://dx.doi.org/10.1117/12.506234.
Umesh, Srinivasan, Leon Cohen e Douglas Nelson. "The speech scale and spectral transformation". In Optics & Photonics 2005, a cura di Manos Papadakis, Andrew F. Laine e Michael A. Unser. SPIE, 2005. http://dx.doi.org/10.1117/12.617609.
Akbar, Fikri, Nanna Suryana e Burairah Hussin. "Quality-based spatial/spectral image transformation". In 2010 2nd International Conference on Signal Processing Systems (ICSPS). IEEE, 2010. http://dx.doi.org/10.1109/icsps.2010.5555451.
Rapporti di organizzazioni sul tema "Transformation spectrale":
Zheltikov, Aleksei. Spectral Transformation of Ultrashort Pulses in Photonic-Crystal Fibers. Appendix. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2006. http://dx.doi.org/10.21236/ada460510.
Schafer, Ingo. An effective cube comparison method for discrete spectral transformations of logic functions. Portland State University Library, gennaio 2000. http://dx.doi.org/10.15760/etd.6031.