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British Rail 1974-1997
Based on privileged access to the British Railway Board's rich archives, this book provides and authoritative account of the progress made by the British Railway System prior to its privatization. It offers a unique account of the last fifteen years of nationalized railways in Britain, and it sheds light on the current problems of privatized railway systems. This volume is divided into four complete and concise sections for complete study: 'Railways Under Labour (1974-1979)', 'The Thatcher Revolution (British Rail in the 1980's)', 'On The Threshold of Privatization: Running the Railways (1990-1994)', and 'Responding to Privatization (1981-1997)'. Author Terry Gourvish is considered Britain's leading railway historian.
N A S A Activities
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Biodiversity
Publisher's description. Australia's experience in community-based environmental repair is unique in the world, with no shortage of analysis by bureaucrats, academics and environmentalists. This collection of 17 case studies gives a view from ground level. It includes heroic accounts of families who changed their way of farming and their relationship to the land so significantly they found they could stop hand-feeding stock during a drought and see the bush coming back. It describes the experience with &‘bush tenders', which were oversubscribed, as farmers competed with each other for stewardship payments to manage their grazing lands for endangered ground-nesting birds as well as beef and...
Biodiversity: Integrating Conservation and Production
Australia’s experience in community-based environmental repair is unique in the world, with no shortage of analysis by bureaucrats, academics and environmentalists. This collection of 17 case studies gives a view from ground level. It includes heroic accounts of families who changed their way of farming and their relationship to the land so significantly they found they could stop hand-feeding stock during a drought and see the bush coming back. It describes the experience with ‘bush tenders’, which were oversubscribed, as farmers competed with each other for stewardship payments to manage their grazing lands for endangered ground-nesting birds as well as beef and wool. And it tells of...
Sparse Phased Array Antennas: Theory and Applications
This ground-breaking resource gives you the background theories and know-how you need to effectively design active phased array antennas with wider bandwidth and scan volume utilizing sparse array technology. The book shows you how to incorporate aperiodic arrays and sparse arrays as a solution for overcoming the restrictions faced in conventional phased antenna designs – such as blind spots, limited scan volume, large power and cooling requirements, RF path losses, and increased complexity – while adhering to the maintenance of SWAP-C resources widely used in aerospace and defence. Packed with step-by-step information and research results unavailable in any other single source to date, ...
NASA Activities
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Highland Shepherd
In 1786, the Reverend James MacGregor (1759–1830) was dispatched across the North Atlantic to establish a dissenting Presbyterian church in Pictou, Nova Scotia. The decision dismayed MacGregor, who had hoped for a post in the Scottish Highlands. Yet it led to a remarkable career in what was still the backwoods of colonial North America. Industrious and erudite, MacGregor established the progressive Pictou Academy, opposed slavery, and promoted scientific education, agriculture, and industry. Poet and translator, fluent in nine languages, he encouraged the preservation of the Gaelic language and promoted Scottish culture in Nova Scotia. Highland Shepherd finally bestows on MacGregor the recognition that he so richly deserves. Alan Wilson brings MacGregor and his surroundings to life, detailing his numerous achievements and establishing his importance to the social, religious, and intellectual history of the Maritimes.
The Art and Science of Ultrawideband Antennas, Second Edition
This comprehensive treatment of ultrawideband (UWB) antennas and time-domain microwave engineering serves as an invaluable practical reference for anyone involved in antenna and RF design work. This authoritative volume enables readers to select the proper UWB antennas for their applications, design and analyze UWB antennas, and integrate these antennas in an RF system. By applying time-domain thinking to problems of practical interest, the reader will not only learn how to build and analyze antennas, but also understand them at the most fundamental level. This second edition is updated and expanded throughout, providing readers with a history of antennas, numerous new problem sets and worked examples, along with new information on plotting time-domain field lines, time-domain reflectometry, matching techniques, and more. This book also addresses system issues like spectral control and antenna efficiency.
Coupled-Oscillator Based Active-Array Antennas
Describing an innovative approach to phased-array control in antenna design This book explores in detail phased-array antennas that use coupled-oscillator arrays, an arrangement featuring a remarkably simple beam steering control system and a major reduction in complexity compared with traditional methods of phased-array control. It brings together in one convenient, self-contained volume the many salient research results obtained over the past ten to fifteen years in laboratories around the world, including the California Institute of Technology's Jet Propulsion Laboratory. The authors examine the underlying theoretical framework of coupled-oscillator systems, clearly explaining the linear ...
