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DIVExamines the role of media technologies in shaping urban Africa through an ethnographic study of popular culture in northern Nigeria./div
This monograph contains a number of problems with signal detection theory, presenting a generalized observation model for signal detection problems. The model includes several interesting and common special cases, such as those describing additive noise, multiplicative noise and signal-dependent noise.
The purpose of this book is to introduce the reader to the basic theory of signal detection and estimation. It is assumed that the reader has a working knowledge of applied probabil ity and random processes such as that taught in a typical first-semester graduate engineering course on these subjects. This material is covered, for example, in the book by Wong (1983) in this series. More advanced concepts in these areas are introduced where needed, primarily in Chapters VI and VII, where continuous-time problems are treated. This book is adapted from a one-semester, second-tier graduate course taught at the University of Illinois. However, this material can also be used for a shorter or first-tier course by restricting coverage to Chapters I through V, which for the most part can be read with a background of only the basics of applied probability, including random vectors and conditional expectations. Sufficient background for the latter option is given for exam pIe in the book by Thomas (1986), also in this series.
Addresses the construction, analysis, and interpretation of mathematical and statistical models. The practical use of the concepts and techniques developed is illustrated by numerous applications. The chosen examples will interest many readers, including those engaged in digital signal analysis in disciplines other than geophysics.
Signal is an ongoing book series dedicated to documenting and sharing compelling graphics, art projects, and cultural movements of international resistance and liberation struggles. Artists and cultural workers have been at the center of upheavals and revolts the world over, from the painters and poets in the Paris Commune to the poster makers and street theatre performers of the recent Occupy movement. Signal will bring these artists and their work to a new audience, digging deep through our common history to unearth their images and stories. We have no doubt that Signal will come to serve as a unique and irreplaceable resource for activist artists and academic researchers, as well as an active forum for critique of the role of art in revolution. Highlights of the fifth volume ofSignal include: The Club de Grabado de Montevideo: Georgia Phillips-Amos unearths printmaking under dictatorship Three Print Collectives: Alec Dunn interviews Friends of Ibn Firnas, A3BC, and the Pangrok Sulap collective Survival by Sharing—Printing over Profit: Josh MacPhee interviews Paul Werner about the history of New York City’s Come!Unity Press The Pyramid's Reign: Analyzing an enduring symbol of capitalism with Eric Triantafillou Empty Forms—Occupied Homes: Marc Herbst looks at the intersection between movement design and the struggle for housing in Barcelona Discs of the Gun: A trip through music and militancy in postwar Italy by Josh MacPhee In the US there is a tendency to focus only on the artworks produced within our shores or from English speaking producers. Signal reaches beyond those bounds, bringing material produced the world over, translated from dozens of languages and collected from both the present and decades past. Though it is a full-color printed publication, Signal is not limited to the graphic arts. Within its pages you will find political posters and fine arts, comics and murals, street art, site-specific works, zines, art collectives, documentation of performance and articles on the often overlooked but essential role all of these have played in struggles around the world.
This updated translation connects the literature and routine activities of geophysicists. It shows how practical problems have links to seismic data analysis theory. Phase and amplitude distortions to the seismic signal, the physical processes that it undergoes, and the interpretation methods to recover rock physics properties are explained. Filling the gap between theoretical literature and the routine activities of geophysicists in the oil industry, The Seismic Signal and Its Meaning is a translation of the second edition of Análise do Sinal Sísmico, published in Portuguese by Sociedade Brasileira de Geofísica (SBGf). For those performing acquisition, processing, and/or interpretation, this book will aid an understanding of how practical problems may have important links to seismic data analysis theory. With an emphasis on providing an objective description of the physical and mathematical aspects that support these links, the rules necessary for robust reservoir characterization are presented. With an extensive development of Gassmann’s (and Biot) theory, the book concentrates on phase and amplitude distortions to the seismic signal, the physical processes that it undergoes, and the interpretation methods to recover rock physics properties. Capturing 30 years of teaching and improvement as a part of Petrobras’ internal courses, the book is a modern treatment, reflecting the many advances that have occurred in geophysics. The book serves as both a text and a reference.
Cogently addressing the future of signal integrity and the effect it will have on the data transmission industry as a whole, this all-inclusive guide addresses a wide array of technologies, from traditional digital data transmission to microwave measurements, and accessibly examines the gap between the two. Focusing on real world applications and providing a wide array of case studies that show how each technology can be used—from backplane design challenges to advanced error correction techniques—this guide addresses many of today’s high-speed technologies while also providing excellent insight into their future direction. With numerous valuable lessons pertaining to the signal integrity industry, this resource is the ultimate must-read guide for any specialist in the design engineering field.
This fully updated and expanded textbook covers designing working systems at very high frequencies. The updated book includes new chapters on Circuit Board Layout Process and Circuit-Board Attacks and Security and more in-depth material on all the original chapters. As with the first edition, this book combines an intuitive, physics-based approach to electromagnetics with a focus on solving realistic problems. The book emphasizes an intuitive approach to electromagnetics, and then uses this foundation to show the reader how both physical phenomena can cause signals to propagate incorrectly; and how to solve commonly encountered issues. Emphasis is placed on real problems that the author has encountered in his professional career, integrating problem-solving strategies and real signal-integrity case studies throughout the presentation. Students are challenged to think about managing complex design projects and implementing successful engineering and manufacturing processes. For the new edition, the author designed a circuit board that illustrates many of the principles in the book, created instructor materials including PowerPoint slides, a homework bank, and a test bank, and created materials that departments can use for ABET assessment.
Social Signal Processing is the first book to cover all aspects of the modeling, automated detection, analysis, and synthesis of nonverbal behavior in human-human and human-machine interactions. Authoritative surveys address conceptual foundations, machine analysis and synthesis of social signal processing, and applications. Foundational topics include affect perception and interpersonal coordination in communication; later chapters cover technologies for automatic detection and understanding such as computational paralinguistics and facial expression analysis and for the generation of artificial social signals such as social robots and artificial agents. The final section covers a broad spectrum of applications based on social signal processing in healthcare, deception detection, and digital cities, including detection of developmental diseases and analysis of small groups. Each chapter offers a basic introduction to its topic, accessible to students and other newcomers, and then outlines challenges and future perspectives for the benefit of experienced researchers and practitioners in the field.
Damnificados is loosely based on the real-life occupation of a half-completed skyscraper in Caracas, Venezuela, the Tower of David. In this fictional version, six hundred "damnificados"--vagabonds and misfits--take over an abandoned urban tower and set up a community complete with schools, stores, beauty salons, bakeries, and a rag-tag defensive militia. Their always heroic (and often hilarious) struggle for survival and dignity pits them against corrupt police, the brutal military, and the tyrannical "owners." Taking place in an unnamed country at an unspecified time, the novel has elements of magical realism: avenging wolves, biblical floods, massacres involving multilingual ghosts, arrow showers falling to the tune of Beethoven's Ninth, and a trash truck acting as a Trojan horse. The ghosts and miracles woven into the narrative are part of a richly imagined world in which the laws of nature are constantly stretched and the past is always present.