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Author: George Ashley Campbell
Publisher:
ISBN:
Category : Telephone
Languages : en
Pages : 596
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Author: George Ashley Campbell
Publisher:
ISBN:
Category : Telephone
Languages : en
Pages : 596
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Book Description
Author: Stuart Bennett
Publisher: IET
ISBN: 9780863412998
Category : Technology & Engineering
Languages : en
Pages : 268
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Book Description
Traces the consolidation of a specialty, as the various feedback control devices used in the 1930s for aircraft and ships, the telephone system, and analogue computers, were brought together during World War II to form what is now known as the classical frequency response methods of analysis and design, and applied to non-linear, sampled-data, and stochastic systems. Follows the field's development through the post-war addition of the root locus method to the introduction of the state-space methods of modern control. Distributed by INSPEC. Annotation copyright by Book News, Inc., Portland, OR
Author: Fritz E. Froehlich
Publisher: CRC Press
ISBN: 9780824729011
Category : Technology & Engineering
Languages : en
Pages : 548
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Book Description
"The only continuing source that helps users analyze, plan, design, evaluate, and manage integrated telecommunications networks, systems, and services, The Froehlich/Kent Encyclopedia of Telecommunications presents both basic and technologically advanced knowledge in the field. An ideal reference source for both newcomers as well as seasoned specialists, the Encyclopedia covers seven key areas--Terminals and Interfaces; Transmission; Switching, Routing, and Flow Control; Networks and Network Control; Communications Software and Protocols; Network and system Management; and Components and Processes."
Author: Jont Allen
Publisher: Springer Nature
ISBN: 3030537595
Category : Technology & Engineering
Languages : en
Pages : 394
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Book Description
This state of the art book takes an applications based approach to teaching mathematics to engineering and applied sciences students. The book lays emphasis on associating mathematical concepts with their physical counterparts, training students of engineering in mathematics to help them learn how things work. The book covers the concepts of number systems, algebra equations and calculus through discussions on mathematics and physics, discussing their intertwined history in a chronological order. The book includes examples, homework problems, and exercises. This book can be used to teach a first course in engineering mathematics or as a refresher on basic mathematical physics. Besides serving as core textbook, this book will also appeal to undergraduate students with cross-disciplinary interests as a supplementary text or reader.
Author: David Lindsay
Publisher: iUniverse
ISBN: 0595347665
Category : Inventions
Languages : en
Pages : 419
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Book Description
"A fascinating history of the unexpected intersection of science, technology and show business." -John Steele Gordon, author of Hamilton's Blessing "Once upon a time, American know-how flourished through show-how: spectacular demonstrations by ever resourceful technological entrepreneurs. David Lindsay brings back these glorious (and sometimes infamous) theatricals in a delightful, witty, narrative with a serious point: the American inventor, now relegated to endless rehearsals, needs to resume a rightful place on the national center stage. For admirers and critics of technology and for veteran and inspiring inventors, Madness in the Making will give pleasure and inspire debate." -Edward Tenner. Author of Why Things Bite Back
Author:
Publisher:
ISBN:
Category : Telephone
Languages : en
Pages : 252
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Author:
Publisher:
ISBN:
Category : Communications, Military
Languages : en
Pages : 908
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Author: Jont B. Allen
Publisher: Springer Nature
ISBN: 3031025547
Category : Technology & Engineering
Languages : en
Pages : 124
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Book Description
Immediately following the Second World War, between 1947 and 1955, several classic papers quantified the fundamentals of human speech information processing and recognition. In 1947 French and Steinberg published their classic study on the articulation index. In 1948 Claude Shannon published his famous work on the theory of information. In 1950 Fletcher and Galt published their theory of the articulation index, a theory that Fletcher had worked on for 30 years, which integrated his classic works on loudness and speech perception with models of speech intelligibility. In 1951 George Miller then wrote the first book Language and Communication, analyzing human speech communication with Claude Shannon's just published theory of information. Finally in 1955 George Miller published the first extensive analysis of phone decoding, in the form of confusion matrices, as a function of the speech-to-noise ratio. This work extended the Bell Labs' speech articulation studies with ideas from Shannon's Information theory. Both Miller and Fletcher showed that speech, as a code, is incredibly robust to mangling distortions of filtering and noise. Regrettably much of this early work was forgotten. While the key science of information theory blossomed, other than the work of George Miller, it was rarely applied to aural speech research. The robustness of speech, which is the most amazing thing about the speech code, has rarely been studied. It is my belief (i.e., assumption) that we can analyze speech intelligibility with the scientific method. The quantitative analysis of speech intelligibility requires both science and art. The scientific component requires an error analysis of spoken communication, which depends critically on the use of statistics, information theory, and psychophysical methods. The artistic component depends on knowing how to restrict the problem in such a way that progress may be made. It is critical to tease out the relevant from the irrelevant and dig for the key issues. This will focus us on the decoding of nonsense phonemes with no visual component, which have been mangled by filtering and noise. This monograph is a summary and theory of human speech recognition. It builds on and integrates the work of Fletcher, Miller, and Shannon. The long-term goal is to develop a quantitative theory for predicting the recognition of speech sounds. In Chapter 2 the theory is developed for maximum entropy (MaxEnt) speech sounds, also called nonsense speech. In Chapter 3, context is factored in. The book is largely reflective, and quantitative, with a secondary goal of providing an historical context, along with the many deep insights found in these early works.
Author: Alan Hodgkin
Publisher: Cambridge University Press
ISBN: 9780521456036
Category : Biography & Autobiography
Languages : en
Pages : 432
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Book Description
Alan Hodgkin believes that - contrary to popular conviction - chance plays quite as large a role as design in scientific discovery. This engaging autobiography charts the balance of the two in his own life. Beginning starts with an account of his childhood in an extended Quaker family. Not a great success at school, he nevertheless won a scholarship to Trinity College, Cambridge, and he writes informatively of the climate of university opinion in the thirties when he was an undergraduate and came to abandon the pacifist ideals of his upbringing. A chance observation on frog nerve led to a Trinity Fellowship and a year at the Rockefeller Institute in New York (where he met his future wife), to the Nobel Prize in 1963, and ultimately to the Presidency of the Royal Society. His experiments on nerve conduction seemed almost at the point of success when everything had to be abandoned on the outbreak of war in 1939, and for six years Hodgkin worked on the concept and design of airborne radar, described in the central section of the book as Flight Trials and Tribulations. The account of his return to civilian life and the resumption of experimentation includes two chapters of solid detail of Starting Again - for this is a book for any reader interested in the origin and development of a dedicated scientist.
Author: George Ashley Campbell
Publisher:
ISBN:
Category :
Languages : en
Pages : 862
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Book Description
