Springer us mrz 2000 (21 risultati)
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The Social and Spatial Ecology of Work is an important contribution to the P- num Studies in Work and Industry. It is a theoretically informed case study, unique in that it takes full measure of the importance of physical space and the bu…ilt environment for the quality of people's daily working lives and the attainment of organizational goals. Rita Gorawara-Bhat provides us with a theoretical framework for understanding how important space and envir- ment are for experiential aspects of work as they are contextualized in social relations, linked to status and role, and embedded in organizational culture and bureaucratic structure. Her framework is a creatively synthetic one that draws notably from traditions in social psychology, symbolic interactionism, dramaturgical sociology, and social ecology. Sociologists will find themselves in comfortable surroundings; this is a case study of a major social science research center affiliated with a prominent midwestern university. Studies carried out by psychologists and social psychologists in the - cades of the 1960s and 1970s held great promise for introducing a language and methodology for inquiry about the importance of the physical envir- ment for social life. However, the overall impact of this research turned out to be short lived, perhaps owing to overly deterministic assumptions about space and spatial constraints. 204 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Anthropology, and by extension archaeology, has had a long-standing interest in evolution in one or several of its various guises. Pick up any lengthy treatise on humankind written in the last quarter of the nineteenth century and…the chances are good that the word evolution will appear somewhere in the text. If for some reason the word itself is absent, the odds are excellent that at least the concept of change over time will have a central role in the discussion. After one of the preeminent (and often vilified) social scientists of the nineteenth century, Herbert Spencer, popularized the term in the 1850s, evolution became more or less a household word, usually being used synonymously with change, albeit change over extended periods of time. Later, through the writings of Edward Burnett Tylor, Lewis Henry Morgan, and others, the notion of evolution as it applies to stages of social and political development assumed a prominent position in anthropological disc- sions. To those with only a passing knowledge of American anthropology, it often appears that evolutionism in the early twentieth century went into a decline at the hands of Franz Boas and those of similar outlook, often termed particularists. However, it was not evolutionism that was under attack but rather comparativism- an approach that used the ethnographic present as a key to understanding how and why past peoples lived the way they did (Boas 1896). 496 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 182 pp. Englisch.
Lingua: Inglese
Editore: Springer US Mrz 2000, 2000
Serie: Libro 155 di 260 - The Springer International Series in Engineering and Computer Science
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Perceptual Organization for Artificial Vision Systems is an edited collection of invited contributions based on papers presented at The Workshop on Perceptual Organization in Computer Vision, held in Corfu, Greece, in September 1999. The…theme of the workshop was `Assessing the State of the Community and Charting New Research Directions.' Perceptual organization can be defined as the ability to impose structural regularity on sensory data, so as to group sensory primitives arising from a common underlying cause. This book explores new models, theories, and algorithms for perceptual organization. Perceptual Organization for Artificial Vision Systems includes contributions by the world's leading researchers in the field. It explores new models, theories, and algorithms for perceptual organization, as well as demonstrates the means for bringing research results and theoretical principles to fruition in the construction of computer vision systems. The focus of this collection is on the design of artificial vision systems. The chapters comprise contributions from researchers in both computer vision and human vision. 368 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Security of Data and Transaction Processing brings together in one place important contributions and up-to-date research results in this fast moving area. Security of Data and Transaction Processing serves as an excellent reference, provi…ding insight into some of the most challenging research issues in the field. 152 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Statistics emphasize that one out of every five men is incarcerated. The background experiences of dysfunctional black men are often explored while few studies focus on the motivating triggers for high achieving black men. Successful Afri…can American Men: From Childhood to Adulthood is a unique study of the nurturing behavioral settings that high achieving black men used as adolescents and examines whether social capital played a role in helping them negotiate their way out of disadvantage. Equally important, is how these settings accommodated the men's diversity, complexity, and the influence of black culture, and reconciled it to their ability to respond and cope with mainstream America. This volume will be of interest to psychologists, sociologists, anthropologists and others interested in the rich diversity of experience found within communities of color. 156 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Most texts on electromagnetic theory follow the classical approach of steady state solutions of Maxwell's equations. In Interstellar Propagation of Electromagnetic Signals, the authors, H. Harmuth and K. Lukin, point out the deficiencies…in Maxwell's theory and present an exciting new way of obtaining transient or signals solutions. This book can be used by researchers, graduate students and scientists in the areas of physics, astrophysics, astronomy and electromagnetic theory or electromagnetics. 296 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -History of the Book The last three decades have witnessed an explosive development in integrated circuit fabrication technologies. The complexities of cur rent CMOS circuits are reaching beyond the 100 nanometer feature size and multi-hun…dred million transistors per integrated circuit. To fully exploit this technological potential, circuit designers use sophisticated Computer-Aided Design (CAD) tools. While supporting the talents of innumerable microelectronics engineers, these CAD tools have become the enabling factor responsible for the successful design and implemen tation of thousands of high performance, large scale integrated circuits. This research monograph originated from a body of doctoral disserta tion research completed by the first author at the University of Rochester from 1994 to 1999 while under the supervision of Prof. Eby G. Friedman. This research focuses on issues in the design of the clock distribution net work in large scale, high performance digital synchronous circuits and particularly, on algorithms for non-zero clock skew scheduling. During the development of this research, it has become clear that incorporating timing issues into the successful integrated circuit design process is of fundamental importance, particularly in that advanced theoretical de velopments in this area have been slow to reach the designers' desktops. 220 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The introduction of the euro was an important event for the world economy and the international political system. For the first time in history, a substantial group of European countries-eleven of the fifteen members of the European Union… including three members of the G-7-have voluntarily agreed to replace their national currencies with a single currency. The euro area has already become established as the second largest currency area in the world and will therefore become a major player in the international monetary system. The creation of the euro poses a number of interesting questions. Will the euro be a strong or a weak currency Will the euro challenge the leading position hitherto held by the United States dollar and would sharing of the burdens and advantages of reserve currency status improve or worsen the stability of the international monetary system How will the euro affect US relations with Europe Does the formation of the euro intensify European integration in other fields Is a bi-polar international monetary system viable These and other issues motivated the Luxembourg Institute for European and International Studies and the Pierre Werner Foundation to organize an international conference in Luxembourg on December 3-4, 1998, on the eve of the birth of the euro. At the outset we were aware that the issue of the euro went far beyond pure economics. Money, after all, is too important a subject to be left to economists. 488 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -During the last decade, many researchers have dedicated their efforts to constructing revolutionary machines and to providing them with forms of artificial intelligence to perform some of the most hazardous, risky or monotonous tasks hist…orically assigned to human beings. Among those machines, mobile robots are undoubtedly at the cutting edge of current research directions. A rough classification of mobile robots can be considered: on the one hand, mobile robots oriented to human-made indoor environments; on the other hand, mobile robots oriented to unstructured outdoor environments, which could include flying oriented robots, space-oriented robots and underwater robots. The most common motion mechanism for surface mobile robots is the wheel-based mechanism, adapted both to flat surfaces, found in human-made environments, and to rough terrain, found in outdoor environments. However, some researchers have reported successful developments with leg-based mobile robots capable of climbing up stairs, although they require further investigation. The research work presented here focuses on wheel-based mobile robots that navigate in human-made indoor environments. The main problems described throughout this book are: Representation and integration of uncertain geometric information by means of the Symmetries and Perturbations Model (SPmodel). This model combines the use of probability theory to represent the imprecision in the location of a geometric element, and the theory of symmetries to represent the partiality due to characteristics of each type of geometric element. A solution to the first location problem, that is, the computation of an estimation for the mobile robot location when the vehicle is completely lost in the environment. The problem is formulated as a search in an interpretation tree using efficient matching algorithms and geometric constraints to reduce the size of the solution space. The book proposes a new probabilistic framework adapted to the problem of simultaneous localization and map building for mobile robots: the Symmetries and Perturbations Map (SPmap). This framework has been experimentally validated by a complete experiment which profited from ground-truth to accurately validate the precision and the appropriateness of the approach. The book emphasizes the generality of the solutions proposed to the different problems and their independence with respect to the exteroceptive sensors mounted on the mobile robot. Theoretical results are complemented by real experiments, where the use of multisensor-based approaches is highlighted. 224 pp. Englisch.
Lingua: Inglese
Editore: Springer US Mrz 2000, 2000
Serie: Libro 101 di 260 - The Springer International Series in Engineering and Computer Science
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -158 2. Wiener Filtering 159 3. Speech Enhancement by Short-Time Spectral Modification 3. 1 Short-Time Fourier Analysis and Synthesis 159 160 3. 2 Short-Time Wiener Filter 161 3. 3 Power Subtraction 3. 4 Magnitude Subtraction 162 3. 5 Para…metric Wiener Filtering 163 164 3. 6 Review and Discussion Averaging Techniques for Envelope Estimation 169 4. 169 4. 1 Moving Average 170 4. 2 Single-Pole Recursion 170 4. 3 Two-Sided Single-Pole Recursion 4. 4 Nonlinear Data Processing 171 5. Example Implementation 172 5. 1 Subband Filter Bank Architecture 172 173 5. 2 A-Posteriori-SNR Voice Activity Detector 5. 3 Example 175 6. Conclusion 175 Part IV Microphone Arrays 10 Superdirectional Microphone Arrays 181 Gary W. Elko 1. Introduction 181 2. Differential Microphone Arrays 182 3. Array Directional Gain 192 4. Optimal Arrays for Spherically Isotropic Fields 193 4. 1 Maximum Gain for Omnidirectional Microphones 193 4. 2 Maximum Directivity Index for Differential Microphones 195 4. 3 Maximimum Front-to-Back Ratio 197 4. 4 Minimum Peak Directional Response 200 4. 5 Beamwidth 201 5. Design Examples 201 5. 1 First-Order Designs 202 5. 2 Second-Order Designs 207 5. 3 Third-Order Designs 216 5. 4 Higher-Order designs 221 6. Optimal Arrays for Cylindrically Isotropic Fields 222 6. 1 Maximum Gain for Omnidirectional Microphones 222 6. 2 Optimal Weights for Maximum Directional Gain 224 6. 3 Solution for Optimal Weights for Maximum Front-to-Back Ratio for Cylindrical Noise 225 7. Sensitivity to Microphone Mismatch and Noise 230 8. 360 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Based on the Fourth International Conference on Quantum Communication, Measurement and Computing, this volume brings together scientists working in the interdisciplinary fields of quantum communication science and technology. Topics inclu…de quantum information theory, quantum computing, stochastic processes and filtering, and quantum measurement theory 556 pp. Englisch.
Lingua: Inglese
Editore: Springer US Mrz 2000, 2000
Serie: Libro 19 di 260 - The Springer International Series in Engineering and Computer Science
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Optical WDM networking technology is spearheading a bandwidth revolution in the networking infrastructure being developed for the next generation Internet. Rapid advances in optical components have enabled the transition from point-to-poi…nt WDM links to all-optical networking. Optical WDM Networks: Principles and Practice presents some of the most important challenges facing the optical networking community, along with some suggested solutions. Earlier textbooks in optical networking have a narrower perspective, and rapidly advancing research has created the need for fresh and current information on problems and issues in the field. The volume editors and contributing authors have endeavoured to capture a substantial subset of the key problems and known solutions to these problems. All of the chapters are original contributions from leading international researchers. The chapters address a wide variety of topics, including the state of the art in WDM technology, physical components that make up WDM fiber-optic networks, medium access protocols, wavelength routed networks, optical access networks, network management, and performance evaluation of wavelength routing networks. The chapters also survey critical points in past research and tackle more recent problems. Practitioners and network product engineers interested in current state-of-the-art information beyond textbook-type coverage, and graduate students commencing research in this area, will appreciate the concise - and pertinent - information presented herein. 372 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -High Performance Computing Systems and Applications contains the fully refereed papers from the 13th Annual Symposium on High Performance Computing, held in Kingston, Canada, in June 1999. This book presents the latest research in HPC arc…hitectures, distributed and shared memory performance, algorithms and solvers, with special sessions on atmospheric science, computational chemistry and physics. High Performance Computing Systems and Applications is suitable as a secondary text for graduate level courses, and as a reference for researchers and practitioners in industry. 624 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The assessment of individual differences has generated shockwaves affecting sociology, education, and a number of other behavioral sciences as well as the fields of management and organizational behavior. In covering the assessment of ind…ividual differences, this book pays tribute to the interests and activities that Douglas N. Jackson has incorporated into his career as a psychologist. He continues to be a leader in putting academic findings to practical use. He has also inspired generations of students with his mastery of complex concepts and as a personal example of the ability to balance several simultaneous areas of research. Consistent with the focus of Jackson's research, the theme of this book will be how the use of deductive, construct-driven strategies in the assessment of individual differences leads to benefits in terms of the applicability of the assessment instruments and the clarity of the conclusions that can be drawn from the research. 388 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Volume 21 provides the basis of the MHD theory in two extended reviews. The first review deals with high-temperature plasma equilibrium and stability in conventional stellarators (the steady state three-dimensional magnetic confinement sy…stems). The second review considers the processes in the stationary plasma thrusters (SPT) created by one of the authors, A.I Morozov. In spite of the three-dimensional nature of stellarators, the author of the review, V.D. Pustovitov, has been able to give a concise presentation of basic ideas and results of the rather complicated theory of stellarators, both for specialists and for students in this field. The results of experimental and theoretical investigations of a new type of discharge device, SPT, are presented in the second review. Plasma thrusters generate quasi-neutral multi-ampere streams of ions with particle energies of 50 - 1000eV. They are most widely known as electric propulsion thrusters for spacecraft, and have been mounted onboard more than 50 Russian satellites. In addition, the SPTs are now used in technological systems for processing the surface layers of various products. 404 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The theory of constructive (recursive) models follows from works of Froehlich, Shepherdson, Mal'tsev, Kuznetsov, Rabin, and Vaught in the 50s. Within the framework of this theory, algorithmic properties of abstract models are investigated… by constructing representations on the set of natural numbers and studying relations between algorithmic and structural properties of these models. This book is a very readable exposition of the modern theory of constructive models and describes methods and approaches developed by representatives of the Siberian school of algebra and logic and some other researchers (in particular, Nerode and his colleagues). The main themes are the existence of recursive models and applications to fields, algebras, and ordered sets (Ershov), the existence of decidable prime models (Goncharov, Harrington), the existence of decidable saturated models (Morley), the existence of decidable homogeneous models (Goncharov and Peretyat'kin), properties of the Ehrenfeucht theories (Millar, Ash, and Reed), the theory of algorithmic dimension and conditions of autostability (Goncharov, Ash, Shore, Khusainov, Ventsov, and others), and the theory of computable classes of models with various properties. Future perspectives of the theory of constructive models are also discussed. Most of the results in the book are presented in monograph form for the first time. The theory of constructive models serves as a basis for recursive mathematics. It is also useful in computer science, in particular, in the study of programming languages, higher level languages of specification, abstract data types, and problems of synthesis and verification of programs. Therefore, the book will be useful for not only specialists in mathematical logic and the theory of algorithms but also for scientists interested in the mathematical fundamentals of computer science. The authors are eminent specialists in mathematical logic. They have established fundamental results on elementary theories, model theory, the theory of algorithms, field theory, group theory, applied logic, computable numberings, the theory of constructive models, and the theoretical computer science. 308 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Anthropology, and by extension archaeology, has had a long-standing interest in evolution in one or several of its various guises. Pick up any lengthy treatise on humankind written in the last quarter of the nineteenth century and the cha…nces are good that the word evolution will appear somewhere in the text. If for some reason the word itself is absent, the odds are excellent that at least the concept of change over time will have a central role in the discussion. After one of the preeminent (and often vilified) social scientists of the nineteenth century, Herbert Spencer, popularized the term in the 1850s, evolution became more or less a household word, usually being used synonymously with change, albeit change over extended periods of time. Later, through the writings of Edward Burnett Tylor, Lewis Henry Morgan, and others, the notion of evolution as it applies to stages of social and political development assumed a prominent position in anthropological disc- sions. To those with only a passing knowledge of American anthropology, it often appears that evolutionism in the early twentieth century went into a decline at the hands of Franz Boas and those of similar outlook, often termed particularists. However, it was not evolutionism that was under attack but rather comparativism- an approach that used the ethnographic present as a key to understanding how and why past peoples lived the way they did (Boas 1896). 500 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -During the last 25 years (after the growth of the first pseudomorphic GeSi strained layers on Si by Erich Kasper in Germany) we have seen a steady accu mulation of new materials and devices with enhanced performance made pos sible by stra…in. 1989-1999 have been very good years for the strained-Iayer devices. Several breakthroughs were made in the growth and doping technology of strained layers. New devices were fabricated as a results of these break throughs. Before the advent of strain layer epitaxy short wavelength (violet to green) and mid-IR (2 to 5 f. Lm) regions of the spectrum were not accessi ble to the photonic devices. Short wavelength Light Emitting Diodes (LEDs) and Laser Diodes (LDs) have now been developed using III-Nitride and II-VI strained layers. Auger recombination increases rapidly as the bandgap narrows and temperature increases. Therefore it was difficult to develop mid-IR (2 to 5 f. Lm range) lasers. The effect of strain in modifying the band-structure and suppressing the Auger recombination has been most spectacular. It is due to the strain mediated band-structure engineering that mid-IR lasers with good per formance have been fabricated in several laboratories around the world. Many devices based on strained layers have reached the market place. This book de scribes recent work on the growth, characterization and properties o(compound semiconductors strained layers and devices fabricated using them. 356 pp. Englisch.
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book is a result of the ISD'99, Eight International Conference on Infonnation Systems Development-Methods and Tools, Theory, and Practice held August 11-13, 1999 in Boise, Idaho, USA. The purpose of this conference was to address the… issues facing academia and industry when specifying, developing, managing, and improving infonnation systems. ISD'99 consisted not only of the technical program represented in these Proceedings, but also of plenary sessions on product support and content management systems for the Internet environment, workshop on a new paradigm for successful acquisition of infonnation systems, and a panel discussion on current pedagogical issues in systems analysis and design. The selection of papers for ISD'99 was carried out by the International Program Committee. Papers presented during the conference and printed in this volume have been selected from submissions after fonnal double-blind reviewing process and have been revised by their authors based on the recommendations of reviewers. Papers were judged according to their originality, relevance, and presentation quality. All papers were judged purely on their own merits, independently of other submissions. We would like to thank the authors of papers accepted for ISD'99 who all made gallant efforts to provide us with electronic copies of their manuscripts confonning to common guidelines. We thank them for thoughtfully responding to reviewers comments and carefully preparing their final contributions. We thank Daryl Jones, provost of Boise State University and William Lathen, dean, College of Business and Economics, for their support and encouragement. 508 pp. Englisch.
Lingua: Inglese
Editore: Springer US Mrz 2000, 2000
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Buch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Automatic Indexing and Abstracting of Document Texts summarizes the latest techniques of automatic indexing and abstracting, and the results of their application. It also places the techniques in the context of the study of text, manual i…ndexing and abstracting, and the use of the indexing descriptions and abstracts in systems that select documents or information from large collections. Important sections of the book consider the development of new techniques for indexing and abstracting. The techniques involve the following: using text grammars, learning of the themes of the texts including the identification of representative sentences or paragraphs by means of adequate cluster algorithms, and learning of classification patterns of texts. In addition, the book is an attempt to illuminate new avenues for future research. Automatic Indexing and Abstracting of Document Texts is an excellent reference for researchers and professionals working in the field of content management and information retrieval. 282 pp. Englisch.
