Academic literature on the topic 'Sondes acoustiques'
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Journal articles on the topic "Sondes acoustiques"
Tainturier, Daniel, and Adeline Savater. "Diagnostic de gestation chez la furette par échotomographie à l’aide d’une sonde linéaire de 12,5 MHz." Le Nouveau Praticien Vétérinaire canine & féline 20, no. 83 (May 2023): 52–58. http://dx.doi.org/10.1051/npvcafe/2023030.
Full textJarreau, P. H., B. Louis, L. Desfrere, M. Farhat, D. Isabey, A. Harf, and G. Moriette. "Surveillance des sondes d'intubation endotrachéales par réflexion acoustique en réanimation néonatale." Archives de Pédiatrie 4, no. 9 (September 1997): 910–11. http://dx.doi.org/10.1016/s0929-693x(97)88184-5.
Full textFillion, Eric. "Le sahabi de Sonde : évolution d’une source sonore." Circuit 23, no. 1 (July 16, 2013): 9–14. http://dx.doi.org/10.7202/1017207ar.
Full textJarreau, P.-H., B. Louis, L. Desfrere, M. Farhat, J.-P. Relier, and G. Moriette. "Surveillance des sondes d'intubation endotracheales (sit) par reflexion acoustique en reanimation neonatale." Archives de Pédiatrie 4 (January 1997): 227s. http://dx.doi.org/10.1016/s0929-693x(97)86559-1.
Full textMazel, Jean, and Robert Futaully. "The “Sonate” Campaign." International Astronomical Union Colloquium 98 (1988): 173–74. http://dx.doi.org/10.1017/s0252921100092745.
Full textWASMER, J. "SONDE ACOUSTIQUE POUR L'ANALYSE D'INTENSIMÉTRIE EN TEMPS RÉEL À 3 DIMENSIONS." Le Journal de Physique Colloques 51, no. C2 (February 1990): C2–927—C2–930. http://dx.doi.org/10.1051/jphyscol:19902216.
Full textLouis, B., L. Heyer, F. Lofaso, A. Harf, and D. Isabey. "Estimation Non-Invasive Par Reflexion Acoustique De La Chute De Pression Dans Les Sondes Endotracheales." Archives of Physiology and Biochemistry 103, no. 3 (January 1, 1995): C48—C49. http://dx.doi.org/10.3109/13813459509037273.
Full textRittaud-Hutinet, Chantal. "Articulations, ajustages : intonation expressive et système phonologique." SHS Web of Conferences 138 (2022): 08001. http://dx.doi.org/10.1051/shsconf/202213808001.
Full textFroidefond, Jean-Marie, and Virginie Lafon. "Surveillance de la morphologie sous-marine par télédétection spatiale SPOT : application aux passes du bassin d'Arcachon (France)." Revue Française de Photogrammétrie et de Télédétection, no. 197 (April 22, 2014): 43–51. http://dx.doi.org/10.52638/rfpt.2012.80.
Full textVAUCLIN, S., B. MOURIER, and T. WINIARSKI. "De l’intérêt de coupler méthodes géophysiques et carottages sédimentaires pour l’étude des sédiments fluviaux." Techniques Sciences Méthodes 11 (November 20, 2019): 33–49. http://dx.doi.org/10.36904/tsm/201911033.
Full textDissertations / Theses on the topic "Sondes acoustiques"
Guitel, Robin. "Développement d'une sonde et d'une méthode expérimentale pour la génération d'ondes guidées pures dans les structures aéronautiques." Mémoire, Université de Sherbrooke, 2015. http://hdl.handle.net/11143/7978.
Full textTalon-Esmieu, Diane. "Extraction des paramètres cosmologiques par une approche multi-sondes." Aix-Marseille 2, 2009. http://theses.univ-amu.fr.lama.univ-amu.fr/2009AIX22106.pdf.
Full textThis thesis present a work on the determination of the cosmological parameters, used to describe the energic content of the Universe and its curvature, from the actual data : supernovae (UNION), cosmic microwave background (WMAP) and baryon acoustic oscilliations (SDSS). Moreover, we studied the assumptions assumed. The type Ia supernovae observation indeed shows the acceleration of the Universe expansion, explained by the dark energy with and unknow nature. In this context, we realized the combined analysis of the three probes and the result is compatible with the cosmoloical constant. However the geometrical degeneracy imposes to use of the flatness assumption. We evaluated the risks of bias on the cosmological parameters determination thanks to simulations. So a curved universe with a dynamicla dark energy may be interpreted as a flat universe with a cosmological constant
Djellouli-Yvetot, Ahlam. "Modélisation et classification de signatures acoustiques. Application à l'identification de la nature sédimentaire des fonds lacustres par échosondage." Toulouse 3, 1997. http://www.theses.fr/1997TOU30170.
Full textTalon-Esmieu, D. "Extraction des paramètres cosmologiques par une approche multi-sondes." Phd thesis, Université de la Méditerranée - Aix-Marseille II, 2009. http://tel.archives-ouvertes.fr/tel-00498520.
Full textCasula, Olivier. "Caracterisation de champs acoustiques par sonde optique heterodyne et par sonde acoustique active." Paris 7, 1997. http://www.theses.fr/1997PA077101.
Full textCousson, Rémi. "Identification de sources acoustiques au passage d'un véhicule routier par imagerie acoustique parcimonieuse dans le domaine temporel." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI106/document.
Full textThe study detailed in this manuscript is part of the effort to characterize the noise emission from road vehicles. We wish to identify the noise sources of a moving vehicle, when driven on a roadway in real-world conditions, with roadside acoustic measurements. The current acoustic imaging methods do not provide sufficient performance on road vehicles. A state of the art led to the selection of an existing method, MSA-PSF, which consists in deconvolving signals from mobile sources in the frequency domain under certain assumptions, and was originally developed for aeroacoustics. This method is adapted here to the context of road vehicles. Then, an original approach is proposed in order to tackle the specific constraints of this context: CLEANT. This is an iterative method, performed in time domain with a wideband approach, which takes into account the effect of sources motion and includes two parameters designed to refine the result: the loop factor and the stopping criterium. A further version of the algorithm, including a frequency filter, is also proposed and shows significant improvement in identifying secondary sources in some particular cases. An interesting point of CLEANT is the availability of the sources reconstructed time signals, which enables other types of analysis, especially the use of the coherence with signals from on-board measurements in order to separate the contributions of uncorrelated sources. MSA-PSF and CLEANT are evaluated with numerical simulations and a set of indicators to measure their source localization and quantification performance. They are then tested in a controlled laboratory conditions experiment, using a moving source. This experiment represents a first application of the methods to a practical case, involving a linear motion, two simultaneous sources and different kinds of signals (tone and wideband). They are finally compared to the classical approach of moving source beamforming, within the frame of an experiment on a road vehicle, in real-world conditions. The original approach CLEANT yields very encouraging results, and is a clear improvement from the conventional beamforming, especially at low frequency for the tested cases. Applying it to a road vehicle in real-world conditions highlights a potentially troublesome behavior of the method, and the solution brought by CLEANT's frequency filtered version, or by adapting its various parameters. The coherence with reference signals to discriminate the physical origins of the sources is also tested and underlines the role of the short duration of the signals related to the sources passing-by context
NASSREDDINE, ABOUBAKER. "Intensimétrie acoustique tridirectionnelle : programmation et optimisation d'une sonde sphérique." Poitiers, 1993. http://www.theses.fr/1993POIT2294.
Full textVan, Est Jeroen. "Développement d'une sonde acoustique en champ proche et de l'instrumentation associée." Montpellier 2, 2000. http://www.theses.fr/2000MON20077.
Full textAlzuaga, Sébastien. "Manipulation de gouttes de liquides par des méthodes acoustiques." Besançon, 2004. http://www.theses.fr/2004BESA2071.
Full textThis thesis mainly deals with liquid droplets displacement using ultrsonic waves. It is composed of two main lines corresponding to the kind of acouqtic waves employed for the displacement. The droplet is positionned on the nearest antinode of flexural plate wave of suffisant amplitude excited in a beam like structure. By switching the frequency excitation of the device , it is possible to change the position of the antinodes and so to move the droplet strep by step. We also paid attenion to droplet ecvtuation using rayleigh acoustic waves. This kind of device permits the droplet displacement in two dimensions and the control of its position in real time
Foy, Cédric. "Simulation de l’acoustique intérieure d’un bâtiment par la résolution numérique d’une équation de diffusion : introduction de la diffusivité aux parois." La Rochelle, 2007. http://www.theses.fr/2007LAROS203.
Full textThe present study deals with the development of an acoustical prediction model for optimizing the arrangement of enclosures inside buildings. Our approach is based on a diffusion model, which basic assumption is that the diffusely reflective walls of the enclosure generate an energy diffusion process. The aim of this work is to integrate the mixed specular/diffuse reflection phenomenon at the walls into this model. First of all, attempt is made to find a relation between the diffusion process and the mean free path in the enclosure, in order to obtain an expression of the diffusion constant as a function of the scattering coefficient and the room’s shape. As this approach does not out to be appropriate, we propose to simulate the mixed specular/diffuse reflections by means of an empirical diffusion constant, obtained by adjusting the diffusions-based results with results given by a ray tracing approach. This approach is successful in most cases, except for long rooms with specular reflections. A hybrid model, coupling the diffusion model with the image-source model is then developed; the coupling is realised through the intensities via the scattering coefficient. Last, experimental validations show the good behaviour of the developed models. Particularly, the diffusion/image-source hybrid model allows satisfying predictions, both in terms of sound level and reverberation time (with a short calculation time), which can not be achieved by using the ray tracing method
Books on the topic "Sondes acoustiques"
Acoustical imaging: Techniques and applications for engineers. Hoboken, N.J: Wiley, 2012.
Find full textWilcox, Calvin H. Sound Propagation in Stratified Fluids. Springer London, Limited, 2012.
Find full textFundamentals of Acoustic Field Theory and Space-Time Signal Processing. Taylor & Francis Group, 2020.
Find full textGan, Woon Siong. Acoustical Imaging: Techniques and Applications for Engineers. Wiley & Sons, Limited, John, 2012.
Find full textGan, Woon Siong. Acoustical Imaging: Techniques and Applications for Engineers. Wiley & Sons, Incorporated, John, 2012.
Find full textGan, Woon Siong. Acoustical Imaging: Techniques and Applications for Engineers. Wiley & Sons, Incorporated, John, 2012.
Find full textBook chapters on the topic "Sondes acoustiques"
Leoni, Frederico Albano. "4. Des segments à la physionomie acoustique." In Des sons et des sens. ENS Éditions, 2014. http://dx.doi.org/10.4000/books.enseditions.3700.
Full textConference papers on the topic "Sondes acoustiques"
Desoutter, A., A. G. Bodard, S. Langonnet, S. Salino, and J. C. Bera. "Développement d’un modèle expérimental d’irradiation de mandibule de lapin. Intérêt dans l’évaluation de nouvelles techniques de traitement ou prévention de l’ORN." In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603023.
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