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Author: Charles Khaddah
Publisher:
ISBN:
Category :
Languages : fr
Pages : 80
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Book Description
Author: Charles Khaddah
Publisher:
ISBN:
Category :
Languages : fr
Pages : 80
Get Book Here
Book Description
Author: Nacer Abouchi
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
LA COMPLEXITE DES RESEAUX DE COMMUNICATIONS, QU'ILS SOIENT LOCAUX OU ETENDUS, NE PEUT ETRE MODELISEE QUE PARTIELLEMENT PAR LES METHODES MATHEMATIQUES EXISTANTES. L'ANALYSE DES PERFORMANCES ET DU COMPORTEMENT DES RESEAUX ETENDUS EN FONCTION DES TECHNIQUES DE ROUTAGE ADAPTATIFS EST ENCORE MAL MAITRISEE. DE MEME, IL PEUT ETRE UTILE D'ETUDIER QUANTITATIVEMENT LES TECHNIQUES D'ACCES AUX RESEAUX LOCAUX EN FONCTION DE LEUR CONFIGURATION OU DE LEUR UTILISATION. LA SIMULATION ALEATOIRE A EVENEMENT DISCRET EST UNE SOLUTION QUI PEUT PRENDRE EN COMPTE TOUTES LES SPECIFICATIONS D'UN RESEAU SANS LES SIMPLIFIER, IL EXISTE ENCORE PEU D'OUTILS SPECIALISES DANS LA SIMULATION DE RESEAUX. DANS UNE PREMIERE PARTIE, APRES AVOIR EVOQUE LES ROLES DE LA MODELISATION ET DE LA SIMULATION DANS LES SYSTEMES NOTAMMENT LES SYSTEMES DE COMMUNICATIONS, NOUS PRESENTONS LES PRINCIPAUX CRITERES QU'IL FAUT ETUDIER AFIN DE POUVOIR FAIRE UN CHOIX CORRECT D'OUTIL DE MODELISATION ET DE SIMULATION; UNE ETUDE COMPARATIVE DES OUTILS LES PLUS UTILISES EST PRESENTEE. LA PRESENTATION DES MODELES DE SIMULATIONS QUE NOUS AVONS CONCUS POUR REPRESENTER LES RESEAUX DE COMMUNICATIONS LOCAUX ET ETENDUS FAIT L'OBJET DU DEUXIEME CHAPITRE. LA TROISIEME PARTIE SERA CONSACREE A OSIRES, L'OUTIL DE SIMULATION DE RESEAUX QUE NOUS AVONS DEVELOPPE. NOTRE ETUDE EST POURSUIVIE PAR L'ANALYSE DE DIFFERENTS ALGORITHMES DE ROUTAGES DETERMINISTES OU ADAPTATIFS RENCONTRES DANS DES RESEAUX EXISTANTS OU PROPOSES DANS LA LITTERATURE. DANS UNE DERNIERE PARTIE LES TECHNIQUES D'ACCES AUX RESEAUX LOCAUX RETENUES PAR L'OSI SONT ANALYSEES ET COMPAREES. NOUS CONCLUONS CE MEMOIRE PAR LES PERSPECTIVES ET LES SUITES A DONNER A CE TRAVAIL
Author: Martin Maier
Publisher: Cambridge University Press
ISBN: 1139504665
Category : Technology & Engineering
Languages : en
Pages : 276
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Book Description
The evolution of broadband access networks toward bimodal fiber-wireless (FiWi) access networks, described in this book, may be viewed as the endgame of broadband access. After discussing the economic impact of broadband access and current worldwide deployment statistics, all the major legacy wireline and wireless broadband access technologies are reviewed. State-of-the-art GPON and EPON fiber access networks are described, including their migration to next-generation systems such as OCDMA and OFDMA PONs. The latest developments of wireless access networks are covered, including VHT WLAN, Gigabit WiMAX, LTE and WMN. The advantages of FiWi access networks are demonstrated by applying powerful network coding, heterogeneous optical and wireless protection, hierarchical frame aggregation, hybrid routing and QoS continuity techniques across the optical-wireless interface. The book is an essential reference for anyone working on optical fiber access networks, wireless access networks or converged FiWi systems.
Author: Chevalier François Le
Publisher: Artech House
ISBN: 9781608071357
Category : Radar
Languages : en
Pages : 422
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251054147
Category : Business & Economics
Languages : en
Pages : 92
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Book Description
The AQUASTAT programme was established to develop a comprehensive picture of water resources and irrigation in developing countries, and to give systematic, up-to-date and reliable information on water for agriculture and development. This report sets out an analysis of water availability and its use on the African continent and changes that have occurred over the last decade, with an emphasis on agricultural water use and management. The report includes a CD-ROM with detailed profiles on the situation in each of the 53 countries in Africa.
Author: Igorʹ Semenovich Zekt︠s︡er
Publisher:
ISBN: 9789292200077
Category : Groundwater
Languages : en
Pages : 346
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Book Description
This monograph represents many years of groundwater data accumulation by a large number of noted hydrogeologists located throughout the world. It represents a multicultural approach to groundwater resources and their use. As a result, many of the fundamental concepts in hydrogeology are interpreted slightly differently in other countries. In fact, there are a number of hydrogeologic phenomena introduced that for the most part have not been presented internationally. Since various cultures review the science of hydrogeology with their own nuances, a substantial effort was made to provide classic references in the science of hydrogeology. The focus of the monograph was to present data and scientific principals, which are relevant to groundwater use in each of the countries. This monograph represents a major undertaking by hydrologists and hydrogeologists around the world. Although the fundamental groundwater resource data may change slowly over time, the groundwater use data is rapidly changing. Consulting hydrogeologists, engineers, chemists, geologists, biologists, health officials, and government environmental administrators will find this baseline document of substantial value. It is fully anticipated that this book will serve as the first addition of a series on groundwater resources of the world and their use.
Author: Fredrik Nilsson
Publisher: Springer Nature
ISBN: 3030386406
Category : Business & Economics
Languages : en
Pages : 148
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Book Description
Strategic management control differs from traditional management control in several important respects. First, it supports both strategy formulation and strategy implementation. Second, it is to a large extent based on non-financial information. Third, it deals with both the long and short term and supports not only tactical, but also strategic and operational decision-making. Fourth, and perhaps most importantly, strategic management control is designed for, and adapted to, each organisation’s unique strategies. In this context, the book emphasises the importance of dialogues. The authors argue that it is unwise to assume that decisions taken at the top of the organisation will automatically be executed and obeyed throughout the organisation. Instead, they highlight the importance of dialogue and collaboration, both between hierarchical levels within the organisation and between actors in the network. Such communication is essential to making management control processes both strategic and successful. The book follows a clear structure, from the design of strategies to the everyday evaluation and discussion of performance and results. Though primarily intended for professionals working in strategy and management control at organisations, it will also benefit students and academics interested in strategy and management control.
Author: Halcyone H. Bohen
Publisher: Philadelphia : Temple University Press
ISBN: 9780877221999
Category : Science
Languages : en
Pages : 362
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Book Description
Monograph on the effects of flexible hours of work on conflicting demands of parenting and employment (esp. Of married women woman workers) in the USA - based on a survey of civil servants in Washington D.C., considers sociological aspects and psychological aspects, the influence of traditional sexual division of labour, the effect on quality of working life, child care, job satisfaction, etc., and explains research methodology (incl. Data collecting and data analysis). Bibliography pp. 257 to 329 and tables.
Author: Ran Bhamra
Publisher: CRC Press
ISBN: 1498766749
Category : Technology & Engineering
Languages : en
Pages : 220
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Book Description
An eternal dilemma for all organizations, and one that a considerable portion of management schools are set up to address, is how to become and stay competitive. Organisational Resilience: Concepts, Integration, and Practice brings together, for the first time, key works that describe the scope and nature of resilience and provides direction to tak
Author: Jersan Hu
Publisher: World Scientific
ISBN: 9814612766
Category : Business & Economics
Languages : en
Pages : 279
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Book Description
This book focuses on the importance of entrepreneurship in sustaining the prosperity of society and uses the case studies from Taiwan, Japan as well as China, to provide an insight into Societal Entrepreneuring in Asia, and the construction of an entrepreneurial society. In order to provide a comprehensive and complete picture on entrepreneurship, the authors have also included both case studies of commercial endeavors as well as non-profit making business endeavours. These collective experiences would be invaluable to readers who are seeking to understand the role of entrepreneurship in Asian society.
