Propagation d'impulsions ultra-courtes à 160-Gb/s dans des lignes de fibres optiques gérées en dispersion

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Publisher :
ISBN 13 :
Total Pages : 217 pages
Book Rating : 4.:/5 (492 download)

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Book Synopsis Propagation d'impulsions ultra-courtes à 160-Gb/s dans des lignes de fibres optiques gérées en dispersion by : Julien Fatome

Download or read book Propagation d'impulsions ultra-courtes à 160-Gb/s dans des lignes de fibres optiques gérées en dispersion written by Julien Fatome and published by . This book was released on 2004 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce mémoire de thèse porte sur la propagation d'impulsions ultra-courtes à 160-Gb/s dans des lignes de fibres optiques gérées en dispersion. Dans une première partie, nous décrivons la mise en place expérimentale d'un dispositif SHG-FROG pour la caractérisation de trains d'impulsions à très haute cadence. Par la suite, nous démontrons l'efficacité du phénomène de compression d'un battement sinusoïdal par mélange à quatre ondes multiple pour la génération d'impulsions cadencées à 160-GHz. Afin de corréler au maximum les résultats théoriques et expérimentaux, nous décrivons ensuite la mise an place d'un banc de caractérisation de fibres optiques basée sur l'instabilité modulationnelle. La dernière étape de ce travail de thèse consiste finalement en la réalisation de boucles à recirculation monocanales basées d'une part sur la gestion de la dispersion dense en vue d'applications transocéaniques et d'autre part sur la gestion de la dispersion classique pour des applications de type terrestre.

Dictionary of Building and Civil Engineering

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Publisher : Taylor & Francis
ISBN 13 : 9780419199106
Total Pages : 472 pages
Book Rating : 4.1/5 (991 download)

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Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague

Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.

Quantum Mechanics, Volume 3

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Publisher : John Wiley & Sons
ISBN 13 : 3527345558
Total Pages : 790 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Quantum Mechanics, Volume 3 by : Claude Cohen-Tannoudji

Download or read book Quantum Mechanics, Volume 3 written by Claude Cohen-Tannoudji and published by John Wiley & Sons. This book was released on 2019-12-16 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.

Quantum Communications and Cryptography

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Publisher : CRC Press
ISBN 13 : 1420026607
Total Pages : 248 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Quantum Communications and Cryptography by : Alexander V. Sergienko

Download or read book Quantum Communications and Cryptography written by Alexander V. Sergienko and published by CRC Press. This book was released on 2018-10-03 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: All current methods of secure communication such as public-key cryptography can eventually be broken by faster computing. At the interface of physics and computer science lies a powerful solution for secure communications: quantum cryptography. Because eavesdropping changes the physical nature of the information, users in a quantum exchange can easily detect eavesdroppers. This allows for totally secure random key distribution, a central requirement for use of the one-time pad. Since the one-time pad is theoretically proven to be undecipherable, quantum cryptography is the key to perfect secrecy. Quantum Communications and Cryptography is the first comprehensive review of the past, present, and potential developments in this dynamic field. Leading expert contributors from around the world discuss the scientific foundations, experimental and theoretical developments, and cutting-edge technical and engineering advances in quantum communications and cryptography. The book describes the engineering principles and practical implementations in a real-world metropolitan network as well as physical principles and experimental results of such technologies as entanglement swapping and quantum teleportation. It also offers the first detailed treatment of quantum information processing with continuous variables. Technologies include both free-space and fiber-based communications systems along with the necessary protocols and information processing approaches. Bridging the gap between physics and engineering, Quantum Communications and Cryptography supplies a springboard for further developments and breakthroughs in this rapidly growing area.

Experimental Chaos

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Publisher : A I P Press
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Experimental Chaos by : Stefano Boccaletti

Download or read book Experimental Chaos written by Stefano Boccaletti and published by A I P Press. This book was released on 2004-12-14 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 8th Experimental Chaos Conference again demonstrated the broad spectrum of areas where nonlinear dynamics plays an important role, such as circuits, hydrodynamics, optics, chemistry, fracture dynamics, neuroscience, and cognitive science. Additional contributions outline the trends for development and application of concepts and techniques of nonlinear dynamics.

Masters Theses in the Pure and Applied Sciences

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Publisher : Springer
ISBN 13 : 9780306341205
Total Pages : 320 pages
Book Rating : 4.3/5 (412 download)

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Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer

Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer. This book was released on 1976 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis· seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) *at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac· tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 20 (thesis year 1975) a total of 10,374 theses titles from 28 Canadian and 239 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. The organization of Volume 20 is identical to that of past years. It consists of theses titles arranged by discipline and by university within each discipline.

Color Television Receivers

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Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Color Television Receivers by :

Download or read book Color Television Receivers written by and published by . This book was released on 1978 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Report to the President on investigation no. 332-95 under section 332 of the Tariff Act of 1930, as amended.

Composite Aircraft Structure

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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Composite Aircraft Structure by : United States. Federal Aviation Administration

Download or read book Composite Aircraft Structure written by United States. Federal Aviation Administration and published by . This book was released on 1984 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lightning Protection of Aircraft

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Publisher : CreateSpace
ISBN 13 : 9781478241522
Total Pages : 564 pages
Book Rating : 4.2/5 (415 download)

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Book Synopsis Lightning Protection of Aircraft by : Franklin Fisher

Download or read book Lightning Protection of Aircraft written by Franklin Fisher and published by CreateSpace. This book was released on 2012-07-13 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an attempt to present under one cover the current state of knowledge concerning the potential lightning effects on aircraft and that means that are available to designers and operators to protect against these effects. The impetus for writing this book springs from two sources- the increased use of nonmetallic materials in the structure of aircraft and the constant trend toward using electronic equipment to handle flight-critical control and navigation function.

Unsteady Transonic Flow

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Publisher : Courier Dover Publications
ISBN 13 : 0486832775
Total Pages : 147 pages
Book Rating : 4.4/5 (868 download)

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Book Synopsis Unsteady Transonic Flow by : Mårten T. Landahl

Download or read book Unsteady Transonic Flow written by Mårten T. Landahl and published by Courier Dover Publications. This book was released on 2019-04-17 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: This classic monograph on unsteady transonic flow — the flow of air encountered at speeds at or near the speed of sound — is of continuing interest to students and professionals in aerodynamics, fluid dynamics, and other areas of applied mathematics. After a brief Introduction, Swedish physicist Mårten T. Landahl presents a chapter in which the two-dimensional solution is derived, succeeded by a discussion of its relation to the subsonic and supersonic solutions. Three chapters on low aspect ratio configurations follow, covering triangular wings and similar planforms with curved leading edges, rectangular wings, and cropped delta wings, and low aspect ratio wing-body combinations. The treatment concludes with a consideration of the experimental determination of air forces on oscillating wings at transonic speeds.

Diffusion in Materials - DIMAT 2011

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Publisher :
ISBN 13 : 9783037853979
Total Pages : 0 pages
Book Rating : 4.8/5 (539 download)

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Book Synopsis Diffusion in Materials - DIMAT 2011 by : I. Bezverkhyy

Download or read book Diffusion in Materials - DIMAT 2011 written by I. Bezverkhyy and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference on Diffusion in Materials (DIMAT) is the benchmark conference series for diffusion in solids. DIMAT 2011 was organized by the University of Bourgogne in association with CNRS, Dijon (France). The conference showcased new results concerning theoretical tools as well as applied research approaches. Diffusion processes affect all types of materials: nanomaterials, materials for energy, metallurgy, glasses and ceramics, but each requires its own numerical tools.Volume is indexed by Thomson Reuters CPCI-S (WoS). This volume comprises most of the contributions presented at DIMAT 2011: 4 plenary lectures delivered by famous high-level scientists plus 88 contributions in the form of keynote lectures, talks and posters.

Building Wireless Community Networks

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596005023
Total Pages : 190 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Building Wireless Community Networks by : Rob Flickenger

Download or read book Building Wireless Community Networks written by Rob Flickenger and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building Wireless Community Networks is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources. The first edition of this book helped thousands of people engage in community networking activities. At the time, it was impossible to predict how quickly and thoroughly WiFi would penetrate the marketplace. Today, with WiFi-enabled computers almost as common as Ethernet, it makes even more sense to take the next step and network your community using nothing but freely available radio spectrum. This book has showed many people how to make their network available, even from the park bench, how to extend high-speed Internet access into the many areas not served by DSL and cable providers, and how to build working communities and a shared though intangible network. All that's required to create an access point for high-speed Internet connection is a gateway or base station. Once that is set up, any computer with a wireless card can log onto the network and share its resources. Rob Flickenger built such a network in northern California, and continues to participate in network-building efforts. His nuts-and-bolts guide covers: Selecting the appropriate equipment Finding antenna sites, and building and installing antennas Protecting your network from inappropriate access New network monitoring tools and techniques (new) Regulations affecting wireless deployment (new) IP network administration, including DNS and IP Tunneling (new) His expertise, as well as his sense of humor and enthusiasm for the topic, makes Building Wireless Community Networks a very useful and readable book for anyone interested in wireless connectivity.

Wireless Hacks

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Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596005597
Total Pages : 310 pages
Book Rating : 4.0/5 (55 download)

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Book Synopsis Wireless Hacks by : Rob Flickenger

Download or read book Wireless Hacks written by Rob Flickenger and published by "O'Reilly Media, Inc.". This book was released on 2003 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Continuing with the successful Hack Series, this title provides real-world working examples of how to make useful things happen with wireless equipment.

Confronting Poverty in Iraq

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Publisher : World Bank Publications
ISBN 13 : 0821385631
Total Pages : 114 pages
Book Rating : 4.8/5 (213 download)

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Book Synopsis Confronting Poverty in Iraq by : World Bank

Download or read book Confronting Poverty in Iraq written by World Bank and published by World Bank Publications. This book was released on 2011-01-10 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides the most comprehensive and rigorous analysis of Iraqi income and expenditure in several decades. The report makes extensive use of the Iraq Household Socio-Economic Survey, the first nationwide income and expenditure survey since 1988. IHSES data is complemented income and expenditure data from a wide range of other measures of living standards, allowing us to analyze living standards in a holistic way. The analysis presented here was performed with two main goals first, to inform the Government s Poverty Reduction Strategy; and second, to serve as a baseline for future assessments of changes in living standards and the identification of critical issues for deeper examination. Iraqi living standards have two unusual characteristics. First, they have fallen over the past generation. Second, they feature surprisingly little inequality. These characteristics are both rooted in Iraq s recent history of authoritarian government, war, military occupation, insurgency, and civil strife leading to infrastructure destruction and population displacement. There have been few opportunities for individuals to prosper from professional or entrepreneurial activities. Decades of neglected investment have resulted in deterioration of social services and economic infrastructure. Consequently, individuals have lacked capabilities to prosper and an investment climate conducive to prosperity. School enrollment and life expectancy have declined. Extremely low returns to education reflect the combination of poor educational quality and lack of employment opportunities. In terms of economic infrastructure, access to reliable electricity and water, and even access to paved roads are low, are further reflections of decades of neglect. While the upper end of the distribution has been pulled down by a lack of opportunities, the lower end has been supported by direct government provision of food. The Public Distribution System (PDS) provides 85 percent of food needs. While PDS has been useful as a safety net for the poor and the vulnerable, the system is expensive, inefficient, and fiscally risky. Indeed, PDS food rations account for a far greater share of public spending than does education or health. Going forward, Iraq faces two main challenges. First, although Iraq does not have to develop from scratch, it faces a formidable challenge in re-development. Second, a shift by the Government is required from direct provision of basic subsistence toward investment in human capacities. The Government can provide an enabling environment through investments in economic infrastructure and services to business and citizens, thus allowing the population to make productive use of education and their own labor. Both challenges are now being taken up by the Poverty Reduction Strategy, which articulates a detailed set of required actions and outlines priorities for government spending.

Antenna Systems

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Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis Antenna Systems by : United States. Department of the Air Force

Download or read book Antenna Systems written by United States. Department of the Air Force and published by . This book was released on 1953 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conceptual Modeling for Traditional and Spatio-Temporal Applications

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Publisher : Springer Science & Business Media
ISBN 13 : 354030326X
Total Pages : 475 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Conceptual Modeling for Traditional and Spatio-Temporal Applications by : Christine Parent

Download or read book Conceptual Modeling for Traditional and Spatio-Temporal Applications written by Christine Parent and published by Springer Science & Business Media. This book was released on 2006-09-02 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: From environmental management to land planning and geo-marketing, the number of application domains that may greatly benefit from using data enriched with spatio-temporal features is expanding very rapidly. This book shows that a conceptual design approach for spatio-temporal databases is both feasible and easy to apprehend. While providing a firm basis through extensive discussion of traditional data modeling concepts, the major focus of the book is on modeling spatial and temporal information.

Propagation d'impulsions solitoniques dans des fibres optiques à dispersion variable

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (91 download)

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Book Synopsis Propagation d'impulsions solitoniques dans des fibres optiques à dispersion variable by : Abdelkrim Bendahmane

Download or read book Propagation d'impulsions solitoniques dans des fibres optiques à dispersion variable written by Abdelkrim Bendahmane and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse est consacrée à l'étude du comportement de propagation de solitons, ou d'impulsions s'apparentant à des solitons, dans des fibres optiques présentant un profil de dispersion variable. La première partie présente les propriétés générales de guidage d'une fibre optique et introduit les principaux processus linéaires et non-linéaires dans lesquels des solitons temporels sont mis en jeu. Dans la partie II, le contrôle spectral, puis spectro-temporel, de solitons est démontré grâce à l'utilisation de fibres optiques topographiques spécialement conçues à cet effet à l'aide d'un algorithme de résolution inverse. La partie III est, elle, dédiée à l'étude de la dynamique d'émission d'ondes dispersives multiples et de cascades d'ondes dispersives dans une fibre dont le zéro de dispersion varie sinusoïdalement. Enfin, la partie IV explore la stabilisation de breathers d'Akhmediev dans une fibre optique comportant un saut de dispersion.