William Ryan – författare

Channel coding lies at the heart of digital communication and data storage, and this detailed introduction describes the core theory as well as decoding algorithms, implementation details, and performance analyses. In this book, Professors Ryan and Lin provide clear information on modern channel codes, including turbo and low-density parity-check (LDPC) codes. They also present detailed coverage of BCH codes, Reed-Solomon codes, convolutional codes, finite geometry codes, and product codes, providing a one-stop resource for both classical and modern coding techniques. Assuming no prior knowledge in the field of channel coding, the opening chapters begin with basic theory to introduce newcomers to the subject. Later chapters then extend to advanced topics such as code ensemble performance analyses and algebraic code design. 250 varied and stimulating end-of-chapter problems are also included to test and enhance learning, making this an essential resource for students and practitioners alike.

This collection of essays, addresses, and one interview come from the years 1966-73, a period during most of which Bernard Lonergan was at work completing his Method in Theology. The eighteen chapters cover a wide spectrum of interest, dealing with such general topics as 'The Absence of God in Modern Culture' and 'The Future of Christianity,' narrowing down through items such as 'Belief: Today's Issue' and more specialized theological and philosophical studies, to one on his own community in the church ('The Response of the Jesuit ...') and the illuminating comment on his great work Insight ('Insight Revisited').This book is a reprint of the first edition published in 1974, edited by William F.J. Ryan and Bernard J. Tyrrell of Gonzaga University, Spokane. The editors contribute an important introduction in which they emphasize that Lonergan's central concern is intentionality analysis, and that two major themes run through the papers: "first, the clear emergence of the primacy of the fourth level of human consciousness, the existential level, the level of evaluation and love; secondly, the significance of historical consciousness. These papers, then, besides the unity they possess by appearing within the same seven year period, share a specific unity of theme."

In order to adapt to the ever-increasing demands of telecommunication needs, today’s network operators are implementing 100 Gb/s per dense wavelength division multiplexing (DWDM) channel transmission. At those data rates, the performance of fiberoptic communication systems is degraded significantly due to intra- and inter-channel fiber nonlinearities, polarization-mode dispersion (PMD), and chromatic dispersion. In order to deal with those channel impairments, novel advanced techniques in modulation and detection, coding and signal processing are needed.This unique book represents a coherent and comprehensive introduction to the fundamentals of optical communications, signal processing and coding for optical channels. It is the first to integrate the fundamentals of coding theory with the fundamentals of optical communication.

Learn the craft of effective storytelling with the Writers' & Artists' Guide to How to Write. Novelist William Ryan introduces the techniques needed to construct, craft and draft a novel. He provides tried-and-tested examples and details on what to consider when writing for any audience, across any genre. Each chapter tackles a key aspect of the writing process, including how to: structure a novel, develop central and subsidiary characters, create atmosphere and tension, write punchy dialogue and pacey scenes. This is the perfect guide for any writer looking for clear and informed advice on getting their ideas on to the page from the bestselling and trusted creative writing brand.