Recepteur Adaptatif Multi Standards Aveugle

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Récepteur adaptatif multi-standards aveugle

Author : Crépin Nsiala Nzéza
Publisher : Omniscriptum
ISBN 13 : 9786131535093
Total Pages : 208 pages
Book Rating : 4.5/5 (35 download)

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Book Synopsis Récepteur adaptatif multi-standards aveugle by : Crépin Nsiala Nzéza

Download or read book Récepteur adaptatif multi-standards aveugle written by Crépin Nsiala Nzéza and published by Omniscriptum. This book was released on 2015-04-17 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: L' talement de spectre par s quence directe occupe une place pr pond rante dans les syst mes de t l communication utilisant la technique d'acc s multiple par r partition de code (syst mes dits de troisi me g n ration, 3G). Dans le cadre de la surveillance du spectre, se posent alors les probl mes de la diff renciation de ces syst mes et de la reconnaissance automatique des signaux, sans connaissance a priori. C'est dans ce contexte dit non coop ratif que se situe le cadre de ce travail. La premi re phase de l'identification est la d tection multi-utilisateurs aveugle de signaux spectre tal interf rents. Nous montrons que ces signaux peuvent tre d tect s gr ce leur effet sur les fluctuations d'estimateurs statistiques. La seconde phase est la synchronisation aveugle bas e sur l'analyse des matrices de covariances des signaux d tect s. Enfin, une fois les signaux synchronis s, une approche originale permet d'estimer les s quences d' talement ainsi que les types de modulations utilis es l' mission.

Récepteur adaptatif multi-standards pour les signaux à étalement de spectre en contexte non-coopératif

Author : Crépin Nsiala Nzeza
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (493 download)

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Book Synopsis Récepteur adaptatif multi-standards pour les signaux à étalement de spectre en contexte non-coopératif by : Crépin Nsiala Nzeza

Download or read book Récepteur adaptatif multi-standards pour les signaux à étalement de spectre en contexte non-coopératif written by Crépin Nsiala Nzeza and published by . This book was released on 2006 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'étalement de spectre par séquence directe occupe une place prépondérante dans les systèmes de télécommunication utilisant la technique d'accès multiple par répartition de code (systèmes dits de troisième génération, 3G). Dans le cadre de la surveillance du spectre, se posent alors les problèmes de la différenciation de ces systèmes et de la reconnaissance automatique des signaux, sans connaissance a priori. C'est dans ce contexte dit non coopératif que se situe le cadre de ce travail. La première phase de l'identification est la détection multi-utilisateurs aveugle de signaux à spectre étalé interférents. Nous montrons que ces signaux peuvent être détectés grâce à leur effet sur les fluctuations d'estimateurs statistiques. Cette méthode permet également d'estimer les périodes symboles et ainsi d'isoler les groupes de signaux transmis au même débit. La seconde phase est la synchronisation aveugle dans chaque groupe. Nous étendons d'abord au cas multi-utilisateurs la technique consistant à maximiser la norme carrée de la matrice de covariance du signal intercepté. La courbe de synchronisation obtenue présente alors des pics, dont le nombre correspond au nombre d'utilisateurs interférents. Toutefois, nous montrons que certains pics peuvent être masqués. Partant de ce constat, nous développons une méthode originale de synchronisation consistant à maximiser les valeurs propres prépondérantes de la matrice de covariance. Une étude théorique prouve la robustesse de la nouvelle méthode. Enfin, une fois les signaux synchronisés, nous présentons une méthode d'estimation des séquences d'étalement utilisées ainsi que des symboles transmis.

Geolocation of RF Signals

Author : Ilir Progri
Publisher : Springer Science & Business Media
ISBN 13 : 1441979522
Total Pages : 340 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Geolocation of RF Signals by : Ilir Progri

Download or read book Geolocation of RF Signals written by Ilir Progri and published by Springer Science & Business Media. This book was released on 2011-01-15 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geolocation of RF Signals—Principles and Simulations offers an overview of the best practices and innovative techniques in the art and science of geolocation over the last twenty years. It covers all research and development aspects including theoretical analysis, RF signals, geolocation techniques, key block diagrams, and practical principle simulation examples in the frequency band from 100 MHz to 18 GHz or even 60 GHz. Starting with RF signals, the book progressively examines various signal bands – such as VLF, LF, MF, HF, VHF, UHF, L, S, C, X, Ku, and, K and the corresponding geolocation requirements per band and per application – to achieve required performance objectives of up to 0o precision. Part II follows a step-by-step approach of RF geolocation techniques and concludes with notes on state-of-the-art geolocation designs as well as advanced features found in signal generator instruments. Drawing upon years of practical experience and using numerous examples and illustrative applications, Ilir Progri provides a comprehensive introduction to Geolocation of RF Signals, and includes hands-on real world labs and applications using MATLAB in the areas of: RF signals specifications, RF geolocation distributed wireless communications networks and RF geolocation. Geolocation of RF Signals—Principles and Simulations will be of interest to government agency program managers industry professionals and engineers, academic researchers, faculty and graduate students who are interested in or currently designing, developing and deploying innovative geolocation of RF Signal systems.

Livestock Policy Analysis

Author : International Livestock Research Institute
Publisher : ILRI (aka ILCA and ILRAD)
ISBN 13 : 9789291460038
Total Pages : 268 pages
Book Rating : 4.4/5 (6 download)

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Book Synopsis Livestock Policy Analysis by : International Livestock Research Institute

Download or read book Livestock Policy Analysis written by International Livestock Research Institute and published by ILRI (aka ILCA and ILRAD). This book was released on 1995-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.

Indoor Geolocation Systems

Author : Ilir F. Progri
Publisher : Springer
ISBN 13 : 9781441984258
Total Pages : 600 pages
Book Rating : 4.9/5 (842 download)

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Book Synopsis Indoor Geolocation Systems by : Ilir F. Progri

Download or read book Indoor Geolocation Systems written by Ilir F. Progri and published by Springer. This book was released on 2015-02-19 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this book is introduce and discuss indoor geolocation systems —theory and applications for over 20 years. The first part of the book is dedicated to the theory of indoor geolocation systems, which consists of five chapters. In the first chapter, geolocation systems is introduced. In the second chapter, the state-of-the-art radio geolocation systems are classified. Illustrations include GPS and GLONASS. The third chapter deals with the issues of identity with the state-of-the-art indoor geolocation systems Giftet Inc., Locatalite, GPS repeaters, the Integrinautics pseudolite as to obtaining an observable or several observables for indoor geolocation. The fourth chapter consists of a detailed discussion on fixed and Doppler-based navigation algorithms suitable for indoor geolocaiton systems and advanced signal processing techniques for indoor geolocation receiver design, which includes Maximum Likelihood Receiver and Bayesian Monte Carlo Markov Chain. Chapter 5 (or the last chapter of part 1 or of the theory) discusses the indoor geolocaiton channel and proposes a mathematical model for the unified geolocation channel.

Conceptual Basis, Formalisations and Parameterization of the Stics Crop Model

Author : Nadine Brisson
Publisher : Editions Quae
ISBN 13 : 2759201694
Total Pages : 300 pages
Book Rating : 4.7/5 (592 download)

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Book Synopsis Conceptual Basis, Formalisations and Parameterization of the Stics Crop Model by : Nadine Brisson

Download or read book Conceptual Basis, Formalisations and Parameterization of the Stics Crop Model written by Nadine Brisson and published by Editions Quae. This book was released on 2009-01-19 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The STICS crop model has been developed since 1996 at INRA in collaboration with other research and technical institutes. The model syntheses, illustrates and concretizes an important part of the French agronomic knowledge as a point of view on the field and cropping systems working. The formalisations of the STICS crop model presented in this book can be considered as references used in the framework of crop sciences. The book arrangement relies on the way the model designs the crop-soil system functioning, each chapter being devoted to a set of important functions such as growth initiation, yield onset, water uptake, transformation of organic matter etc. One chapter deals with the cropping system and long term simulations and the final chapter is about the involvement of the user in terms of option choices and parameterization. If this book is mainly intended for scientists who use the STICS model, it can also be useful for agronomists, crop modellers, students and technicians looking for elementary formalizations of the crop-soil system functioning.

Principles of Radar and Sonar Signal Processing

Author : Chevalier François Le
Publisher : Artech House
ISBN 13 : 9781608071357
Total Pages : 422 pages
Book Rating : 4.0/5 (713 download)

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Book Synopsis Principles of Radar and Sonar Signal Processing by : Chevalier François Le

Download or read book Principles of Radar and Sonar Signal Processing written by Chevalier François Le and published by Artech House. This book was released on 2002 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mies in America

Author : Ludwig Mies van der Rohe
Publisher : ABRAMS
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Mies in America by : Ludwig Mies van der Rohe

Download or read book Mies in America written by Ludwig Mies van der Rohe and published by ABRAMS. This book was released on 2001 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Mies in America offers readers a deeper immersion into Mies's thought than has been attempted before. Venturing a more complex response than the familiar reading of Mies as a grand master of modernism, these essays retrace the genesis of Mies's design in order to uncover his ambitions, investigate the implicit outlines of the Miesian city, follow the process of designing for America, and look at Mies as a touchstone for contemporary practice."--Jacket.

The Human Brain and Spinal Cord

Author : Edwin Clarke
Publisher : Norman Publishing
ISBN 13 : 9780930405250
Total Pages : 1078 pages
Book Rating : 4.4/5 (52 download)

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Book Synopsis The Human Brain and Spinal Cord by : Edwin Clarke

Download or read book The Human Brain and Spinal Cord written by Edwin Clarke and published by Norman Publishing. This book was released on 1996 with total page 1078 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nonsynaptic Diffusion Neurotransmission and Late Brain Reorganization

Author : Paul Bach-y-Rita
Publisher : Demos Medical Publishing
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nonsynaptic Diffusion Neurotransmission and Late Brain Reorganization by : Paul Bach-y-Rita

Download or read book Nonsynaptic Diffusion Neurotransmission and Late Brain Reorganization written by Paul Bach-y-Rita and published by Demos Medical Publishing. This book was released on 1995 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bach-y-Rita (rehabilitation medicine, U. of Wisconsin) draws on his own laboratory and clinical work to present new theories and findings on how and to what extent the brain can compensate for damage, both immediately and later. He discusses the concept of nonsynaptic diffusion neurotransmission, the plastic brain, late- brain rehabilitation, and sensory substitution. Available from Demos Vermande, 386 Park Avenue South, Suite 201, New York, NY 10016. Annotation copyright by Book News, Inc., Portland, OR

Brain Mechanisms in Sensory Substitution

Author : Paul Bach-y-Rita
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (42 download)

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Book Synopsis Brain Mechanisms in Sensory Substitution by : Paul Bach-y-Rita

Download or read book Brain Mechanisms in Sensory Substitution written by Paul Bach-y-Rita and published by . This book was released on 1972 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Agricultural English

Author : Georgeta Raţă
Publisher : Cambridge Scholars Publishing
ISBN 13 : 1443839612
Total Pages : 385 pages
Book Rating : 4.4/5 (438 download)

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Book Synopsis Agricultural English by : Georgeta Raţă

Download or read book Agricultural English written by Georgeta Raţă and published by Cambridge Scholars Publishing. This book was released on 2012-04-25 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural English is a collection of essays on the English of Agriculture. The approach is a linguistic one: the different aspects of the English used in the field of agriculture (agricultural practices, agricultural systems) and in some fields related to agriculture (agricultural zoology, agri-tourism, biology, botany, ecology, entomology, gastronomy, land measurement, plant pathology, zoology) are analysed from a morphological (combination, derivation), syntactical (nominal phrases, verbal phrases), lexical and lexicographical, semantic (homonymy, semantic fields, synonymy, terminology), pragmatic (academic discourse, idiom, metaphor), etymological (etymon, Latin heritage), and contrastive (English–Croatian, English–French, English–German, English–Romanian, Romanian–English) points of view. The book will appeal to agriculturists, animal breeders, professors, researchers, students, and translators from Croatian-, English-, French-, German-, and Romanian-speaking countries, active in their own countries or abroad. The types of academic readership it would appeal to include academic teaching staff, researchers and students in the fields of agriculture and related fields – agricultural zoology, agri-tourism, biology, botany, ecology, entomology, gastronomy, land measurement, plant pathology, and zoology.

Recovery of Function

Author : International Rehabilitation Medicine Association
Publisher : H. Huber
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Recovery of Function by : International Rehabilitation Medicine Association

Download or read book Recovery of Function written by International Rehabilitation Medicine Association and published by H. Huber. This book was released on 1986 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Emergence of Social Space

Author : Kristin Ross
Publisher : U of Minnesota Press
ISBN 13 : 0816616868
Total Pages : 190 pages
Book Rating : 4.8/5 (166 download)

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Book Synopsis The Emergence of Social Space by : Kristin Ross

Download or read book The Emergence of Social Space written by Kristin Ross and published by U of Minnesota Press. This book was released on 1988-01-01 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Iconography and Electronics Upon a Generic Architecture

Author : Robert Venturi
Publisher : Mit Press
ISBN 13 : 9780262720298
Total Pages : 374 pages
Book Rating : 4.7/5 (22 download)

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Book Synopsis Iconography and Electronics Upon a Generic Architecture by : Robert Venturi

Download or read book Iconography and Electronics Upon a Generic Architecture written by Robert Venturi and published by Mit Press. This book was released on 1998-02-06 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new collection of writings in a variety of genres argues for a genericarchitecture defined by iconography and electronics, an architecture whose elemental qualitiesbecome shelter and symbol.

The Formation of the Scientific Mind

Author : Gaston Bachelard
Publisher : Clinamen Press
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Formation of the Scientific Mind by : Gaston Bachelard

Download or read book The Formation of the Scientific Mind written by Gaston Bachelard and published by Clinamen Press. This book was released on 2002 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gaston Bachelard is one of the indespensable figures in the history of 20th-century ideas. The broad scope of his work has had a lasting impact in several fields - notable philosophy, architecture and literature.

Modern Radar Detection Theory

Author : Antonio De Maio
Publisher : IET
ISBN 13 : 1613531990
Total Pages : 395 pages
Book Rating : 4.6/5 (135 download)

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Book Synopsis Modern Radar Detection Theory by : Antonio De Maio

Download or read book Modern Radar Detection Theory written by Antonio De Maio and published by IET. This book was released on 2015-11-25 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern radar detection is the new frontier for advanced radar systems capable of operating in challenging scenarios with a plurality of interference sources, both manmade and natural. Written by top researchers and recognized leaders in the field, this is the first book to provide a comprehensive understanding of the current research trends in modern radar detection. It updates readers with the latest radar signal processing algorithms now capable with high-speed computer chips and sophisticated programs. It also includes examples and applications from real systems. This is essential reading for radar systems design engineers within aerospace companies, military radar engineers, and aerospace contractors/consultants.