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Results 11 - 18 of 18

École Doctorale de Physique de la Région Parisienne- ED 107 Thèse de doctorat

by Spécialité Physique Théorique, Antoine Georges Examinateur, Henk Hilhorst Examinateur, Corinna Kollath Examinateur, Guilhem Semerjian Examinateur, Giulio Biroli Membre Invité
"... Sujet de la thèse: Dynamique quantique hors-équilibre et systèmes désordonnés pour des atomes ultrafroids bosoniques présentée par Bruno Sciolla pour obtenir le grade de Docteur de l’Université Paris-sud 11 Directeur de thèse: Henri Orland Thèse préparée sous la direction de Giulio Biroli ..."
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Sujet de la thèse: Dynamique quantique hors-équilibre et systèmes désordonnés pour des atomes ultrafroids bosoniques présentée par Bruno Sciolla pour obtenir le grade de Docteur de l’Université Paris-sud 11 Directeur de thèse: Henri Orland Thèse préparée sous la direction de Giulio Biroli

ACKNOWLEDGMENTS

by Jennifer E. Michaels, Maysam Ghovanloo, James H. Mcclellan, Michael J. Leamy, George W. Woodruff, Laurence J. Jacobs, Thomas E. Michaels , 2011
"... First and foremost, I would like to thank my advisor, Prof. Jennifer E. Michaels. I am most appreciative of your guidance over the last four years, from the basics of elastic waves to both short- and long-term career advice. I have grown a tremendous amount, both profes-sionally and personally, and ..."
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First and foremost, I would like to thank my advisor, Prof. Jennifer E. Michaels. I am most appreciative of your guidance over the last four years, from the basics of elastic waves to both short- and long-term career advice. I have grown a tremendous amount, both profes-sionally and personally, and am deeply grateful for your mentorship, patience, and support. I would also like to thank my Ph.D. committee for their valuable insight and sugges-

1A Sub-Nyquist Radar Prototype: Hardware and Algorithms

by Eliahu Baransky, Gal Itzhak, Idan Shmuel, Noam Wagner, Eli Shoshan, Yonina C. Eldar
"... Abstract—Traditional radar sensing typically employs matched filtering between the received signal and the shape of the transmitted pulse. Matched filtering is conventionally carried out digitally, after sampling the received analog signals. Here, principles from classic sampling theory are generall ..."
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Abstract—Traditional radar sensing typically employs matched filtering between the received signal and the shape of the transmitted pulse. Matched filtering is conventionally carried out digitally, after sampling the received analog signals. Here, principles from classic sampling theory are generally employed, requiring that the received signals be sampled at twice their baseband bandwidth. The resulting sampling rates necessary for correlation based radar systems become quite high, as growing demands for target distinction capability and spatial resolution stretch the bandwidth of the transmitted pulse. The large amounts of sampled data also necessitate vast memory capacity. In addition, real-time processing of the data typically results in high power consumption. Recently, new approaches for radar sensing and estimation were introduced, based on the Finite Rate of Innovation and Xampling frameworks. Exploiting the parametric nature of the radar problem, these techniques allow significant reduction in sampling rate, implying potential power savings, while maintaining the systems estimation capabilities at sufficiently high signal-to-noise ratios. Here we present for the first time a design and implementation of a Xampling based hardware prototype that allows sampling of radar signals at rates much lower than Nyquist. We demonstrate by real-time analog experiments that our system is able to maintain reasonable recovery capabilities, while sampling radar signals that require sampling at a rate of about 30MHz at a total rate of 1MHz.

OF

by James A. Mcgee, James A. Mcgee, James A. Mcgee, M. Kay, Manbir Sodhi, Nasser H. Zawia , 2015
"... This Dissertation is brought to you for free and open access by DigitalCommons@URI. It has been accepted for inclusion in Open Access Dissertations ..."
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This Dissertation is brought to you for free and open access by DigitalCommons@URI. It has been accepted for inclusion in Open Access Dissertations

JEAN-LUC GENNISSON

by Universite Paris, Vi Pierre, Et Marie Curie, Espci Paristech, Habilitation A Diriger Des, Dr. Damien, Pr. Michel, Dr. Mickaël, Tanter Examinateur, Jean-luc Gennisson, H. D. R. Université, Paris Vi
"... RECHERCHES Elastographie par ondes de cisaillement ..."
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RECHERCHES Elastographie par ondes de cisaillement

under a Creative Commons Attribution Non-Commercial No Derivatives

by Sira Gonzalez, Deparment Of Electrical, Electronic Engineering , 2013
"... the condition that they attribute it, that they do not use it for commercial purposes and that they do not alter, transform or build upon it. For any reuse or redistribution, researchers must make clear to others the licence terms of this work. ..."
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the condition that they attribute it, that they do not use it for commercial purposes and that they do not alter, transform or build upon it. For any reuse or redistribution, researchers must make clear to others the licence terms of this work.

3esis Supervisor Accepted by

by Audio-based Localisation, Benjamin Christopher Dalton, V. Michael, Benjamin Christopher Dalton , 2005
"... in partial ful2llment of the requirements for the degree of ..."
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in partial ful2llment of the requirements for the degree of

Subspace Communication

by Josep Font-segura, Prof Gregori , 2014
"... We are surrounded by electronic devices that take advantage of wireless technologies, from our computer mice, which require little amounts of information, to our cellphones, which demand increasingly higher data rates. Until today, the coexistence of such a variety of services has been guaranteed by ..."
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degrading the primary systems. Yet in practice, monitoring the spectrum resources, detecting available resources for opportunistic communication, and transmit-ting over the resources are hard tasks. This thesis addresses the tasks of monitoring, de-
Results 11 - 18 of 18
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