Literatura científica selecionada sobre o tema "Signaux Faible"
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Artigos de revistas sobre o assunto "Signaux Faible"
Bouaiss, Karima, e Carine Girard-Guerraud. "Capital humain du dirigeant-entrepreneur et faillite des entreprises financées par ECF". Revue Française de Gestion 47, n.º 299 (agosto de 2021): 95–115. http://dx.doi.org/10.3166/rfg.2021.00556.
Texto completo da fonteBoudarbat, Brahim, e Sonia Ines Gontero. "Offre de travail des femmes mariées immigrantes au Canada". Articles 84, n.º 2 (25 de fevereiro de 2009): 129–53. http://dx.doi.org/10.7202/000372ar.
Texto completo da fonteLe Cam, Steven, Christophe Chollet e Fabien Salzenstein. "Un arbre de Markov sélectif en fréquence pour la détection de signaux transitoires à faible rapport signal à bruit". Traitement du signal 27, n.º 4-5 (28 de outubro de 2010): 443–82. http://dx.doi.org/10.3166/ts.27.443-482.
Texto completo da fonteGibbons, Cynthia, Rachel Schiffman, Holly Brophy-Herb, Hiram E. Fitzgerald, Mildred Omar e Lorraine McKelvey. "Une étude exploratoire. Interaction entre les dyades mère-nourrisson et père-nourrisson chez les couples à faible revenu". Santé mentale au Québec 26, n.º 1 (5 de fevereiro de 2007): 101–17. http://dx.doi.org/10.7202/014513ar.
Texto completo da fonteAllouis, Tristan, Jean-Stéphane Bailly, Yves Pastol e Catherine Le Roux. "Utilisation conjointe de trains d'ondes lidar vert et infrarouge pour la bathymétrie des eaux de très faibles profondeurs". Revue Française de Photogrammétrie et de Télédétection, n.º 213 (27 de abril de 2017): 33–42. http://dx.doi.org/10.52638/rfpt.2017.362.
Texto completo da fonteVautrin, Denis, Irmela Zentner, Guy D’Urso, Géry Hachet, Christophe Vergniault e Dimitri Mercadier. "Démarche de qualification de l’utilisation de la méthode MASW sur les digues par mesures en environnement contrôlé et simulations pour évaluer l’influence de la géométrie 3D des ouvrages". Revue Française de Géotechnique, n.º 178 (2024): 2. http://dx.doi.org/10.1051/geotech/2024005.
Texto completo da fonteMinaker, Leia M., Meghan Lynch, Brian E. Cook e Catherine L. Mah. "Analyse de données sur les ventes lors d'une intervention axée sur un dépanneur santé de Toronto : le projet FRESH sur l'environnement de la vente d’aliments au détail comme déterminant de la santé". Promotion de la santé et prévention des maladies chroniques au Canada 37, n.º 10 (outubro de 2017): 383–91. http://dx.doi.org/10.24095/hpcdp.37.10.04f.
Texto completo da fonteLhomme, Quentin. "NUNKI : détecter les signaux faibles". Servir N° 519, n.º 1 (27 de fevereiro de 2023): 62–64. http://dx.doi.org/10.3917/servir.519.0062.
Texto completo da fonteTexier, Bruno. "Tom Morisse, détecteur de signaux faibles". Archimag N°313, n.º 3 (1 de abril de 2018): 43. http://dx.doi.org/10.3917/arma.313.0043.
Texto completo da fonteSylvestre, Guillaume. "Détecter des signaux faibles en cartographiant des tweets". I2D - Information, données & documents 53, n.º 3 (2016): 12. http://dx.doi.org/10.3917/i2d.163.0012.
Texto completo da fonteTeses / dissertações sobre o assunto "Signaux Faible"
Le, Pelleter Tugdual. "Méthode de discrétisation adaptée à une logique événementielle pour l'utra-faible consommation : application à la reconnaissance de signaux physiologiques". Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT043/document.
Texto completo da fonteOur everyday life is highly dependent on mobile embedded systems. In order to make them suitable to differentapplications, they have underwent size reduction and lifetime extension. However, these improvementsare currently limited by the possibilities of the integrated circuits technologies. In order to push back theboundaries, it is necessary to reconsider the whole digital signal processing chain from scratch to sustain thepower consumption reduction in this kind of system. This work develops on the first hand a strategy thatsmartly uses the level-crossing sampling scheme and on the other combines this sampling method with eventlogicto highly reduce the power consumption in mobile embedded systems. A discretisation method adaptedto the recognition of physiological patterns application is described. A first event-logic (asynchronous) prototypeimplemented on FPGA proved the potential benefits that an adapted sampling scheme could offersto reduce activity compared to a uniform sampling scheme. Electrical simulations performed on a secondprototype, also designed in asynchronous logic, with CMOS AMS 0.35 μm technology, validated a high gainin power consumption
Le, Pas de Sécheval Helman. "Traitement des signaux optiques a tres faible niveau de puissance : application a la detection heterodyne traitement de la phase". Paris 6, 1992. http://www.theses.fr/1992PA066542.
Texto completo da fonteNicodeme, Marc. "Identifiabilité des signaux parcimonieux structurés et solutions algorithmiques associées : application à la reconstruction tomographique à faible nombre de vues". Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0096/document.
Texto completo da fonteThis thesis studies different minimization problems with sparses based regularization. More precisely, we want to reconstruct a sparses image, which undergone a linear transformation, with minimization problems. In this manuscript, we will be focused on l1 synthesis, analysis and block minimization which are widely used in sparse approximations. These problems offer competitive results which are theorietical understood only recntly. Different studies on the subject emphasized the contribution of a particular vector called dual certificate. The existence of this dual certificate allows simultaneously to guarantee the exact recovey of an image in noiseless case and to estimate the noise robustness in noisy case. In this work, we introduce eth existence of an optimal dual certificate for the l1 synthesis minimization which minimizes the reconstruction error. As those results have a strong geometrical interpretation, we develop an identifiability criterion which ensures the uniqueness of a solution. This criterion generalizes the work on l1 synthesis minimization tothe analysis case, block case and others
Brizon, Ambre. "Compréhension et gestion des signaux faibles dans le domaine de la santé-sécurité". Phd thesis, École Nationale Supérieure des Mines de Paris, 2009. http://tel.archives-ouvertes.fr/tel-00403623.
Texto completo da fontePelissier, Michaël. "Développement d'architecture et de fonctions RF avancées pour la réception de signaux Ultra Large Bande dans les applications à basse consommation". Grenoble INPG, 2006. http://www.theses.fr/2006INPG0153.
Texto completo da fonteExcept high data rate applications, Ultra Wide Band (UWB) shows potential great interest for low date rate systems, in which, major constraints rely on power consumption. This thesis presents the development of critical blocs for RF receiver front end of an innovative architecture dedicated to the latter applications. First, the general context of UWB, and several pulse signal receivers are reminded. Two critical points are highlighted: the excessive power consumption of the gain stages and the difficulty to achieve precise resolution in time do main while keeping low cost devices. Thus, first work objective consisted in the development of low power LNA based on matched amplification to the signal shape. Then, we proposed a novel UWB receiver architecture based on super-regeneration. Measurements results of the chip fabricated in 0,13 flm CMOS process validate the concept
Murgia, Carlo. "Codage haute qualité des signaux de parole (20 Hz - 15 kHz) à très faible retard et au débit de 64 kbit/s". Grenoble INPG, 1997. http://www.theses.fr/1997INPG0187.
Texto completo da fonteFerreira, Esteves Paulo Alexandre. "Techniques d'acquisition à haute sensibilité des signaux GNSS". Thesis, Toulouse, ISAE, 2014. http://www.theses.fr/2014ESAE0016/document.
Texto completo da fonteSatellite navigation (GNSS) is a constant in our days. The number of applications that depend on it is already remarkable and is constantly increasing. With new applications, new challenges have also risen: much of the new demand for signals comes from urban areas where GNSS signal processing is highly complex. In this thesis the issue of weak GNSS signal processing is addressed, in particular at the first phase of the receiver processing, known as signal acquisition. The first axe of research pursued deals with the analysis and compensation of the Doppler effect in acquisition. The Doppler shift that is experienced by a user is one of the main design drivers for the acquisitionmodule and solutions are proposed to improve the sensitivity-complexity trade-off typical of the acquisition process. The second axe of research deals with the characterization of differential GNSS detectors. After a first step of coherent integration, transition to post coherent (noncoherent or differential) integration is required for acquiring weak signals. The quantification of the sensitivity of differential detectors was not found in literature and is the objective of this part of the research. Finally, the third axe of research is devoted to multi-constellation Collective Detection (CD). CD is an innovative approach for the simultaneous processing of all signals in view. Severalissues related to CD are addressed, including the improvement of the CD search process and the hybridization with standard acquisition. Finally, the application of this methodology in the context of a multi-constellation receiver is also addressed, by processing simultaneously real GPS and Galileo signals
Rarbi, Fatah-Ellah. "Conception d’un convertisseur analogique numérique pipeline de grande dynamique et de faible consommation pour le codage des signaux de détecteurs à forte granularité". Grenoble INPG, 2010. http://www.theses.fr/2010INPG0128.
Texto completo da fonteThe objective of this thesis is the design of a low power and high dynamic pipeline ADC for high granularity detector read-out. In this thesis, we developed a model for further study of different sources of errors and their consequences on the characteristics of a 12-bit pipeline converter. We also completed an ADC prototype in the limit of technology selected by the CALICE collaboration within the ILC project. New pipeline ADC architecture with a multi-bit MDAC first stage structure including a DEM has been designed to go beyong the limits of technology. Finally, in parallel with the design work, an effort has been devoted to developing test programs for the characterization of different prototypes of A/D converters. We explain the results of testing three prototype 12-bit pipeline ADC achieved during these three years of thesis. A comparison is made with respect to other ongoing studies for the electromagnetic calorimeter of ILD
Udupa, Pramod. "Algorithmes parallèles et architectures évolutives de faible complexité pour systèmes optiques OFDM cohérents temps réel". Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S039/document.
Texto completo da fonteIn this thesis, low-complexity algorithms and architectures for CO-OFDM systems are explored. First, low-complexity algorithms for estimation of timing and carrier frequency offset (CFO) in dispersive channel are studied. A novel low-complexity timing synchro- nization algorithm, which can withstand large amount of dispersive delay, is proposed and compared with previous proposals. Then, the problem of realization of low-complexity parallel architecture is studied. A generalized scalable parallel architecture, which can be used to realize any auto-correlation algorithm, is proposed. It is then extended to handle multiple parallel samples from ADC and provide outputs, which can match the input ADC rate. The scalability of the architecture for higher number of parallel outputs and different kinds of auto-correlation algorithms is explored. An algorithm-architecture approach is then applied to the entire CO-OFDM transceiver chain. At the transmitter side, radix-22 algorithm for IFFT is chosen and parallel Mul- tipath Delay Commutator (MDC) Feed-forward (FF) architecture is designed which con- sumes lesser resources compared to MDC FF architectures of radix-2/4. At the receiver side, efficient algorithm for Integer CFO estimation is adopted and efficiently realized with- out the use of complex multipliers. Reduction in complexity is achieved due to efficient architectures for timing synchronization, FFT and Integer CFO estimation. Fixed-point analysis for the entire transceiver chain is done to find fixed-point sensitive blocks, which affect bit error rate (BER) significantly. The algorithms proposed are validated using opti- cal experiments by the help of arbitrary waveform generator (AWG) at the transmitter and digital storage oscilloscope (DSO) and Matlab at the receiver. BER plots are used to show the validity of the system built. Hardware implementation of the proposed synchronization algorithm is validated using real-time FPGA platform
Grégoire, Marie-Claude. "Reconstruction d'images cardiaques dynamiques synchronisées à l'ECG par maximum de vraisemblance sur les signaux obtenus à faible taux de comptage avec une gamma-caméra". Compiègne, 1989. http://www.theses.fr/1989COMPD190.
Texto completo da fonteTo do a global smoothing, a processing technic of dynamic cardiac studies has been suggested, allowing the simultaneous integration of all the spatial and temporal informations. This technic uses a bayesian estimation, therefore introducing an a priori law of Gibbs. A comparative study was done on low-count simulations, using this method and other classical methods. It has shown the advantages of using all the available temporal informations, and has increased the quality of current clinical results
Livros sobre o assunto "Signaux Faible"
Rayne, Alexandre. Prévenir les ruptures stratégiques: Du bon usage des signaux faibles. Paris: L'Harmattan, 2008.
Encontre o texto completo da fonteK, Kokula Krishna Hari, ed. Method to Provide Mobile Signal when the Network Provider Has Failed. Chennai, India: Association of Scientists, Developers and Faculties, 2016.
Encontre o texto completo da fontePace, Phillip E. Detecting and classifying low probability of intercept radar. 2a ed. Boston: Artech House, 2009.
Encontre o texto completo da fontePace, Phillip E. Detecting and classifying low probability of intercept radar. 2a ed. Boston: Artech House, 2009.
Encontre o texto completo da fontePace, Phillip E. Detecting and classifying low probability of intercept radar. Boston, MA: Artech House, 2004.
Encontre o texto completo da fontePace, Phillip E. Detecting and classifying low probability of intercept radar. 2a ed. Boston: Artech House, 2009.
Encontre o texto completo da fontePace, Phillip E. Detecting and classifying low probability of intercept radar. 2a ed. Boston: Artech House, 2009.
Encontre o texto completo da fonteLynch, David. Introduction to RF stealth. Raleigh, NC: SciTech Pub., 2004.
Encontre o texto completo da fonteWheeler, Nicholas J. USA–Iran, 2009–2010. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199696475.003.0009.
Texto completo da fonteFerris, John. Intelligence in War. Oxford University Press, 2018. http://dx.doi.org/10.1093/acrefore/9780190846626.013.405.
Texto completo da fonteCapítulos de livros sobre o assunto "Signaux Faible"
Dolbeer, Richard A., Paul P. Woronecki e Roger W. Bullard. "Visual Cue Fails to Enhance Bird Repellency of Methiocarb in Ripening Sorghum". In Chemical Signals in Vertebrates 6, 323–30. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-9655-1_52.
Texto completo da fonteZhang, Zhenya, Jie An, Paolo Arcaini e Ichiro Hasuo. "Online Causation Monitoring of Signal Temporal Logic". In Computer Aided Verification, 62–84. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37706-8_4.
Texto completo da fonteKelso, Elizabeth J., Robert F. Geraghty, Barbara J. McDermott, Elisabeth R. Trimble, D. Paul Nicholls e Bernard Silke. "Mechanical effects of ET-1 in cardiomyocytes isolated from normal and heart-failed rabbits". In Biochemistry of Signal Transduction in Myocardium, 149–55. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1275-8_19.
Texto completo da fontePanesso, M., M. Ettrichrätz, S. Gebhardt, O. Georgi, C. Rüger, M. Gnauck e W. G. Drossel. "Design and Characterization of Piezoceramic Thick Film Sensor for Measuring Cutting Forces in Turning Processes". In Lecture Notes in Mechanical Engineering, 30–39. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-28839-5_4.
Texto completo da fonteFaessler, R., K. Schauenstein, G. Kroemer e G. Wick. "Immune Signals Fail to Elict Endocrine Responses in the Obese Strain (OS) of Chickens with Hashimoto-Like Autoimmune Thyroiditis". In Thyroid Autoimmunity, 493–95. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-0945-1_88.
Texto completo da fonteBrahim, Meriane, Rahmouni Salah e Tifouti Issam. "Analysis and Processing of One-Dimensional Signals Using Wavelet". In Recent Advances in Wavelet Transforms and Their Applications. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104107.
Texto completo da fonteCeccaldi, Jérôme. "Chapitre 49 - Le leadership : quels leviers et quels signaux faibles ?" In Réinventer le leadership, 522. EMS Editions, 2017. http://dx.doi.org/10.3917/ems.frimo.2017.01.0522.
Texto completo da fonteKondo, Kazuhiro. "Data Hiding for Stereo Audio Signals". In Advances in Multimedia and Interactive Technologies, 104–28. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2217-3.ch006.
Texto completo da fonteMu, Xinxin, Hongyu Jiang, Fan Li, Tongjie Pan, Guocheng Xiong e Yalan Ye. "Physiological Signal-Based Biometric Identification for Discovering and Identifying a New User". In Artificial Intelligence and Human-Computer Interaction. IOS Press, 2024. http://dx.doi.org/10.3233/faia240155.
Texto completo da fontePaterson, Andrew. "Application of the baculoviral expression system to signal transduction". In Signal Transduction, 139–69. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780199637218.003.0007.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Signaux Faible"
Ahmed, Syed Zahid, Yuhui Bai, Imen Dhif, Laurent Lambert, Imen Mhedhbi, Patrick Garda, Bertrand Granado et al. "SmartEEG: A multimodal tool for EEG signals". In 2014 IEEE Faible Tension Faible Consommation (FTFC). IEEE, 2014. http://dx.doi.org/10.1109/ftfc.2014.6828622.
Texto completo da fonteFlandre, Denis, Olivier Bulteel, Geoffroy Gosset, Bertrand Rue e David Bol. "Disruptive ultra-low-leakage design techniques for ultra-low-power mixed-signal microsystems". In 2011 Faible Tension Faible Consommation (FTFC). IEEE, 2011. http://dx.doi.org/10.1109/ftfc.2011.5948908.
Texto completo da fonteZarkesh-Ha, Payman. "Analysis of low-voltage mixed-signal circuits under device variations". In 2013 IEEE Faible Tension Faible Consommation (FTFC). IEEE, 2013. http://dx.doi.org/10.1109/ftfc.2013.6577756.
Texto completo da fontede Streel, Guerric, Julien De Vos, Denis Flandre e David Bol. "A 65nm 1V to 0.5V linear regulator with ultra low quiescent current for mixed-signal ULV SoCs". In 2014 IEEE Faible Tension Faible Consommation (FTFC). IEEE, 2014. http://dx.doi.org/10.1109/ftfc.2014.6828597.
Texto completo da fonteDien, Y. "Les signaux faibles à l’aune des lanceurs d’alerte". In Congrès Lambda Mu 19 de Maîtrise des Risques et Sûreté de Fonctionnement, Dijon, 21-23 Octobre 2014. IMdR, 2015. http://dx.doi.org/10.4267/2042/56087.
Texto completo da fonteEscande, J., C. Proust e J.-C. Lecoze. "Les signaux faibles : dépasser le problème de l’impossible prédictibilité". In Congrès Lambda Mu 19 de Maîtrise des Risques et Sûreté de Fonctionnement, Dijon, 21-23 Octobre 2014. IMdR, 2015. http://dx.doi.org/10.4267/2042/56089.
Texto completo da fonteMagne, Jean, Jacques Pignault e Laurent Dubau. "Signaux "faibles", décisions agiles. S’organiser pour tirer parti de nombreux signaux précurseurs de dangers". In Congrès Lambda Mu 20 de Maîtrise des Risques et de Sûreté de Fonctionnement, 11-13 Octobre 2016, Saint Malo, France. IMdR, 2016. http://dx.doi.org/10.4267/2042/61741.
Texto completo da fonteDechy, N., P. Jouniaux e D. Hadida. "Détection, pertinence et amplification des signaux faibles dans le traitement du retour d’expérience". In Congrès Lambda Mu 19 de Maîtrise des Risques et Sûreté de Fonctionnement, Dijon, 21-23 Octobre 2014. IMdR, 2015. http://dx.doi.org/10.4267/2042/56086.
Texto completo da fonteContreras, Victor, e Robert Garnier. "Peut-on améliorer la prévention-gestion qualité client en utilisant les signaux faibles ?" In Congrès Lambda Mu 20 de Maîtrise des Risques et de Sûreté de Fonctionnement, 11-13 Octobre 2016, Saint Malo, France. IMdR, 2016. http://dx.doi.org/10.4267/2042/61742.
Texto completo da fonteWang, Fengli, Hua Chen, Aiguo Gu e Wei Hu. "Data Processing of Pulsation Signals of a Turbine Based on EMD and Teager Energy Operator". In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75023.
Texto completo da fonteRelatórios de organizações sobre o assunto "Signaux Faible"
McGuire, Mark A., Amichai Arieli, Israel Bruckental e Dale E. Bauman. Increasing Mammary Protein Synthesis through Endocrine and Nutritional Signals. United States Department of Agriculture, janeiro de 2001. http://dx.doi.org/10.32747/2001.7574338.bard.
Texto completo da fonteStorm, Servaas. The Art of Paradigm Maintenance: How the ‘Science of Monetary Policy’ tries to deal with the inflation of 2021-2023. Institute for New Economic Thinking Working Paper Series, outubro de 2023. http://dx.doi.org/10.36687/inetwp214.
Texto completo da fontePhillips, Donald, e Yoram Kapulnik. Using Flavonoids to Control in vitro Development of Vesicular Arbuscular Mycorrhizal Fungi. United States Department of Agriculture, janeiro de 1995. http://dx.doi.org/10.32747/1995.7613012.bard.
Texto completo da fonteKnowles, Donald, e Monica Leszkowicz Mazuz. Transfected Babesia bovis expressing the anti-tick Bm86 antigen as a vaccine to limit tick infestation and protect against virulent challenge. United States Department of Agriculture, janeiro de 2014. http://dx.doi.org/10.32747/2014.7598160.bard.
Texto completo da fonteBlais-Stevens, A., A. Castagner, A. Grenier e K D Brewer. Preliminary results from a subbottom profiling survey of Seton Lake, British Columbia. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332277.
Texto completo da fonteGunay, Selim, Fan Hu, Khalid Mosalam, Arpit Nema, Jose Restrepo, Adam Zsarnoczay e Jack Baker. Blind Prediction of Shaking Table Tests of a New Bridge Bent Design. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, novembro de 2020. http://dx.doi.org/10.55461/svks9397.
Texto completo da fonteFluhr, Robert, e Maor Bar-Peled. Novel Lectin Controls Wound-responses in Arabidopsis. United States Department of Agriculture, janeiro de 2012. http://dx.doi.org/10.32747/2012.7697123.bard.
Texto completo da fonteMiller, Gad, e Jeffrey F. Harper. Pollen fertility and the role of ROS and Ca signaling in heat stress tolerance. United States Department of Agriculture, janeiro de 2013. http://dx.doi.org/10.32747/2013.7598150.bard.
Texto completo da fonte