Tag Archives: decades

Study and Design of Differential Microphone Arrays

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Jacob Benesty, Jingdong Chen, "Study and Design of Differential Microphone Arrays"
English | 2013 | ISBN-10: 364233752X, 3642427561 | 180 pages | PDF | 6 MB

Study and Design of Differential Microphone Arrays
Microphone arrays have attracted a lot of interest over the last few decades since they have the potential to solve many important problems such as noise reduction/speech enhancement, source separation, dereverberation, spatial sound recording, and source localization/tracking, to name a few. However, the design and implementation of microphone arrays with beamforming algorithms is not a trivial task when it comes to processing broadband signals such as speech. Indeed, in most sensor arrangements, the beamformer output tends to have a frequency-dependent response. One exception, perhaps, is the family of differential microphone arrays (DMAs) who have the promise to form frequency-independent responses. Moreover, they have the potential to attain high directional gains with small and compact apertures. As a result, this type of microphone arrays has drawn much research and development attention recently. This book is intended to provide a systematic study of DMAs from a signal processing perspective. The primary objective is to develop a rigorous but yet simple theory

for the design, implementation, and performance analysis of DMAs. The theory includes some signal processing techniques for the design of commonly used first-order, second-order, third-order, and also the general Nth-order DMAs. For each order, particular examples are given on how to form standard directional patterns such as the dipole, cardioid, supercardioid, hypercardioid, subcardioid, and quadrupole. The study demonstrates the performance of the different order DMAs in terms of beampattern, directivity factor, white noise gain, and gain for point sources. The inherent relationship between differential processing and adaptive beamforming is discussed, which provides a better understanding of DMAs and why they can achieve high directional gain. Finally, we show how to design DMAs that can be robust against white noise amplification.
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Melbourne’s Water Catchments: Perspectives on a World-Class Water Supply

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Melbourne's Water Catchments: Perspectives on a World-Class Water Supply by James Viggers, Haylee Weaver, David Lindenmayer
2013 | ISBN: 1486300065 | English | 144 pages | PDF | 13 MB

Melbourne’s Water Catchments: Perspectives on a World-Class Water Supply
This book charts the history of the water catchments and water supply for the city of Melbourne, which has many unique aspects that are a critical part of the history of Melbourne, Victoria and Australia. Much of the development of the water supply system was many decades ahead of its time and helped buffer the city of Melbourne from major diseases, droughts and water shortages.

The authors present a chronology of the evolution of the catchment and water supply system pre-1900 to today. They discuss major developments, policies, and construction and management activities. Each chapter is illustrated with historical black and white images and also newly taken photos that contrast present scenes with those from the past.

The book includes many extraordinary insights into current and future issues with Melbourne's water supply, including issues associated with the highly controversial north-south pipeline, the desalination plant and the potential for further diversions of the Yarra River.

KEY FEATURES
* Tells the story of how the water catchment system developed for Melbourne has been consistently ahead of its time has had a massive influence on the development of the city and Australia
* Includes both historical and current content and photographs
* Includes issues associated with the highly controversial north-south
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Contestation and Adaptation: The Politics of National Identity in China

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Enze Han, "Contestation and Adaptation: The Politics of National Identity in China"
2013 | ISBN-10: 0199936293 | 240 pages | PDF | 13 MB

Contestation and Adaptation: The Politics of National Identity in China
Contestation and Adaptation unravels the complexities of national-identity contestation among various ethnic minority groups in China. It focuses on the interactions between domestic and international forces that inform ethnic groups' national-identity contestation, positing a theoretical framework where international factors play a significant role in determining why and when ethnic groups will contest the national identities imposed on them by central governments as part of the nation-building process.

Simmering grievances and occasional outbursts of social unrest among ethnic minority populations in China challenge not only the ruling party's legitimacy and governance, but also contemporary Chinese national identity and the territorial integrity of the Chinese state. But, as Enze Han points out, of the fifty-five ethnic minority groups in China, only the Tibetans and Uyghurs have forcefully contested the idea of a Chinese national identity. He argues that whether ethnic groups contest those national identities depends on whether they perceive a better, achievable alternative. In particular, Han argues that ethnic groups with extensive external kinship networks are most likely to perceive a capacity to achieve better circumstances and are, therefore, more likely to politically mobilize to contest national identity. In the absence of such alternatives ethnic groups are more likely to cope with their situation through emigration, political ambivalence, or assimilation. Using this theoretical framework, the book compares the way that five major ethnic minority groups in China negotiate their national identities with the Chinese nation-state: Uyghurs, Chinese Koreans, Dai, Mongols, and Tibetans. Overall, Contestation and Adaptation sheds light on the nation-building processes in China over the past six decades and the ways that different groups have resisted or acquiesced in their dealings with the Chinese state and majority Han Chinese society.
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Organizational Realities: Studies of Strategizing and Organizing

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Organizational Realities: Studies of Strategizing and Organizing By William H. Starbuck
Publisher: O U P 2006 | 656 Pages | ISBN: 0199288518 | PDF | 3 MB

Organizational Realities: Studies of Strategizing and Organizing
William H. Starbuck, is one of the most creative, productive and wide-ranging writers in management and organization studies. His work spans three decades and encompasses a whole variety of issues, yet it has never been collected together in one place. This book does just that-bringing together his most seminal writing, prefaced by a personal reflection on some of the themes and conclusions of that emerge from this, and the context I which they were written.
What emerges from this is a picture of organizations and their strategies that emphasizes the characteristics of real-life human beings: their idiosyncratic preferences, their distrust for each other, their struggle for dominance, their personal interests which don't always coincide with the interests of the organization, and the internal politicking and contests between interests groups that take place in organizations. Some chapters review research literature, some report empirical findings, some propose conceptual reformulation, and some offer advice to managers.
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Eating Disorders in Adult Women

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Eating Disorders in Adult Women by Julian N. Fuchs and Finn Lang
English | 2008-11-30 | ISBN: 1604566736 | PDF | 230 pages | 2 MB

Eating Disorders in Adult Women
Recent decades have seen a rise in the prevalence of eating disorders, especially among emerging adult women. The aetiology and development of these disorders involve numerous biological, psychological, and familial factors that extend beyond adolescence into emerging adulthood. This book provides leading research in this particular field.
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The Cambridge History of Greek and Roman Warfare (Volume 1) by Philip Sabin

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The Cambridge History of Greek and Roman Warfare (Volume 1) by Philip Sabin
English | Dec 17, 2007 | ISBN: 0521782732 | 631 Pages | PDF | 9 MB
Warfare was the single biggest preoccupation of historians in antiquity. In recent decades fresh textual interpretations, numerous new archaeological discoveries and a much broader analytical focus emphasising social, economic, political and cultural approaches have transformed our understanding of ancient warfare.

The Cambridge History of Greek and Roman Warfare (Volume 1) by Philip Sabin
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The Cambridge History of Greek and Roman Warfare (Volume 2) by Philip Sabin

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The Cambridge History of Greek and Roman Warfare (Volume 2) by Philip Sabin
English | Dec 17, 2007 | ISBN: 0521782740 | 567 Pages | PDF | 8 MB
Warfare was the single biggest preoccupation of historians in antiquity. In recent decades fresh textual interpretations, numerous new archaeological discoveries and a much broader analytical focus emphasising social, economic, political and cultural approaches have transformed our understanding of ancient warfare.

The Cambridge History of Greek and Roman Warfare (Volume 2) by Philip Sabin
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The Cambridge History of Greek and Roman Warfare (Volume 2) by Philip Sabin

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The Cambridge History of Greek and Roman Warfare (Volume 2) by Philip Sabin
English | Dec 17, 2007 | ISBN: 0521782740 | 567 Pages | PDF | 8 MB
Warfare was the single biggest preoccupation of historians in antiquity. In recent decades fresh textual interpretations, numerous new archaeological discoveries and a much broader analytical focus emphasising social, economic, political and cultural approaches have transformed our understanding of ancient warfare.

The Cambridge History of Greek and Roman Warfare (Volume 2) by Philip Sabin
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Philip’s Atlas of the Universe

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Philip's Atlas of the Universe
English | Physics, Astronomy | 14. December 2007 | ISBN-10: 0540091189 | 316 pages | Djvu | 8 mb
This edition contains many new features, from explanations of dark matter and neutrinos to techniques of digital observing and photography.

Philip’s Atlas of the Universe
As well as giving an informative portrait of each element of the cosmos, the book provides superb star maps and sound advice on practical observing, making it an ideal choice for newcomers to astronomy.Sir Patrick's narrative is supremely clear, absorbing and entertaining, as he recounts the history of space exploration, describes the Solar System, stars and galaxies, and explains the latest theories on the origins of the Universe. The book is illustrated with hundreds of maps and diagrams, plus Sir Patrick's own selection of the best photographs from ground-based telescopes and the Hubble Space Telescope, along with spectacular images from nearly four decades of robotic exploration of the planets.Highlights of this new edition include an explanation of the extraordinary concepts that have shaken our picture of the Universe – dark matter and dark energy, as well as new strands of science that have emerged in recent years such as astrobiology and neutrino astronomy.An expanded practical section reflects the new era in amateur astronomy – affordable high-quality cameras and telescopes, computer control and image-processing have made astronomy accessible to millions of new enthusiasts.
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