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Contribution A Letude Et Loptimisation Dun Repeteur De Satellite De Television Directe Par Simulation Sur Calculateur Numerique
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Book Synopsis Contribution à l'étude et l'optimisation d'un répéteur de satellite de télévision directe par simulation sur calculateur numérique by : Marco Antonio Gomez Araujo
Download or read book Contribution à l'étude et l'optimisation d'un répéteur de satellite de télévision directe par simulation sur calculateur numérique written by Marco Antonio Gomez Araujo and published by . This book was released on 1980 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CONTRIBUTION A L'ETUDE DES ERREURS RESIDUELLES DANS UNE DIFFUSION PAR SATELLITE DE TELEVISION NUMERIQUE by : CHRISTOPHE.. ALEXANDRE
Download or read book CONTRIBUTION A L'ETUDE DES ERREURS RESIDUELLES DANS UNE DIFFUSION PAR SATELLITE DE TELEVISION NUMERIQUE written by CHRISTOPHE.. ALEXANDRE and published by . This book was released on 1995 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE ETUDE A POUR OBJET D'ETUDIER LES ERREURS RESIDUELLES DANS UNE DIFFUSION NUMERIQUE PAR SATELLITE DE PROGRAMMES DE TELEVISION. ELLE CONCERNE LA MODELISATION, LES STRATEGIES DE MASQUAGE ET L'INFLUENCE SUR LA QUALITE SUBJECTIVE DES IMAGES ET DU SON DE CES ERREURS. NOUS AVONS D'ABORD ETUDIE ET SIMULE UN SYSTEME COMPLET DE TRANSMISSION SIMPLIFIE DE BOUT EN BOUT AFIN DE MODELISER LES ERREURS RESIDUELLES. PUIS NOUS AVONS CALCULE ET IMPLANTE CES MODELES PRATIQUES DANS UN GENERATEUR D'INJECTION D'ERREURS LOGICIEL SIMULANT LA DIFFUSION. NOUS NOUS SOMMES ENSUITE INTERESSE AUX STRATEGIES DE MASQUAGE QUE NOUS AVONS IMPLANTE DANS UN DECODEUR VIDEO. LA PREMIERE SOLUTION EST UTILISEE PAR LES CONSTRUCTEURS DE CODEURS MPEG-2: ELLE UTILISE UN LIEN ENTRE LA COUCHE SYSTEME ET LE DECODEUR. EN CAS D'ERREUR, ELLE AVERTIT LE DECODEUR DE SAUTER LE PAQUET DE TRANSPORT ERRONE ET DE SE RESYNCHRONISER SUR UN CODE DE DEBUT. DANS UNE DEUXIEME SOLUTION PLUS ORIGINALE, LE DECODEUR ANALYSE LE TRAIN BINAIRE QUEL QUE SOIT SON ETAT ET UTILISE DES TESTS INTERNES POUR DETECTER LES ERREURS ET SE RESYNCHRONISER. NOUS AVONS ENSUITE MIS EN PLACE UNE SALLE DE TESTS SUBJECTIFS. NOUS AVONS ETUDIE LES DIFFERENTS PROTOCOLES DE TEST NORMALISES ET CHOISI LA METHODE A DOUBLE STIMULUS A ECHELLE A CINQ NOTES DE QUALITE. NOUS AVONS EFFECTUE DE NOMBREUX TESTS AFIN D'ESTIMER LA PRECISION DES RESULTATS OBTENUS. NOUS AVONS FINALEMENT TESTE LES DEUX DECODEURS VIDEO AINSI QU'UN DECODEUR AUDIO MPEG COUCHE II. NOUS AVONS AINSI PU DETERMINER LE SEUIL DE PERCEPTION AUX ERREURS ET LA LIMITE DE FONCTIONNEMENT DU DECODEUR COMPLET
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Mission Systems Panel. Symposium Publisher : ISBN 13 : Total Pages :202 pages Book Rating :4.E/5 ( download)
Book Synopsis Space Systems as Contributors to the NATO Defence Mission by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Mission Systems Panel. Symposium
Download or read book Space Systems as Contributors to the NATO Defence Mission written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Mission Systems Panel. Symposium and published by . This book was released on 1997 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frequency and Time by : P. Kartaschoff
Download or read book Frequency and Time written by P. Kartaschoff and published by . This book was released on 1978 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
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.
