With a Preface by noted satellite scientist Dr. Ahmad Ghais, the Second Edition reflects the expanded user base for this technology by updating information on historic, current, and planned commercial and military satellite systems and by expanding sections that explain the technology for non-technical professionals. The book begins with an introduction to satellite communications and goes on to provide an overview of the technologies involved in mobile satellite communications, providing basic introductions to RF Issues, power Issues, link issues and system issues. It describes early commercial mobile satellite communications systems, such as Marisat and Marecs and their military counterparts. The book then discusses the full range of Inmarsat and other current and planned geostationary, low earth orbiting and hybrid mobile satellite systems from over a dozen countries and companies. It is an essential guide for anyone seeking a comprehensive understanding of this industry and military tool. • Revised edition will serve both technical and non-technical professionals who rely every day on mobile satellite communications • Describes and explains historic, current, and planned civil, commercial, and military mobile satellite communication systems. • First Edition charts and tables updated and expanded with current material for today’s mobile satellite technology
With a Preface by noted satellite scientist Dr. Ahmad Ghais, the Second Edition reflects the expanded user base for this technology by updating information on historic, current, and planned commercial and military satellite systems and by expanding sections that explain the technology for non-technical professionals. The book begins with an introduction to satellite communications and goes on to provide an overview of the technologies involved in mobile satellite communications, providing basic introductions to RF Issues, power Issues, link issues and system issues. It describes early commercial mobile satellite communications systems, such as Marisat and Marecs and their military counterparts. The book then discusses the full range of Inmarsat and other current and planned geostationary, low earth orbiting and hybrid mobile satellite systems from over a dozen countries and companies. It is an essential guide for anyone seeking a comprehensive understanding of this industry and military tool. • Revised edition will serve both technical and non-technical professionals who rely every day on mobile satellite communications • Describes and explains historic, current, and planned civil, commercial, and military mobile satellite communication systems. • First Edition charts and tables updated and expanded with current material for today’s mobile satellite technology
This book deals with the work of one of the most famous medical scholars of the middle ages, renowned to his contemporaries as being able to see more deeply into the theory of medicine than anyone else. It is based in particular on an analysis of his huge commentary on Avicenna's Canon, the biggest and most important single medical text of the Middle Ages. This is the first modern analysis of the commentary, and while the size and elaborate scholastic structure of it has deterred historians, it remained an important text for two centuries. This book explains the nature and purposes of medical scholasticism, which reached its height in the half century before the Black Death, in which Gentile died.
Many Early Modern Europeans who during the sixteenth and seventeenth centuries travelled to the New World left written or pictorial records of their encounters with a surprising fauna. The story told in this book is woven out of the threads of those texts and pictures. A New World of Animals shows how the initial wonder at the new beasts gave way to a more utilitarian approach, assessing their economic and medical potential. It elucidates how shifts in European perceptions brought the animals from the realm of the fantastic into the mainstream of early modern natural history, while at the same time changing the way in which Europeans saw their own world. Indeed, the chronicles and treatises of those who in the wake of the discovery arrived in the new lands tell as much about the particular interests and mental worlds of the writers as about the 'new animals'. This book traces the amazement of the first explorers and colonizers, the chronicles of soldiers and Indians, the 'natural histories of the New World', the place of animals in the network of economic interests driving the early expansion of Europe, the views of the missionaries and those of natural philosophers and physicians. Taking the reader from the Brazilian forests to the erudite cabinets of the Old World, from Patagonia to the centres of empire, the story of the discovery of the unexpected menagerie of the New World is also an exploration of Early Modern European imagination and learning.
A collection of four studies (three of which were given as the 1994 U. of Pennsylvania Rosenbach Lectures), each addressing how the forms that transmit text to readers or hearers constrain the production of meaning. Paper edition (unseen), $12.95. Annotation copyright by Book News, Inc., Portland, OR
In The Order of Books, Chartier examines the different systems required to regulate the world of writing through the centuries, from the registration of titles to the classification of works.
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