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Elsevier

Libros en Ingeniería y Tecnología

  • Evaluation of Multicomputers for Image Processing

    • 1 Edición
    • L. Uhr
    • Inglés
    Evaluation of Multicomputers for Imaging Processing covers the proceedings of the 1984 Tanque Verde Workshop, held in Tucson. This book is organized into four parts encompassing 17 chapters that summarize the benchmark evaluation efforts specific to multicomputer systems designed for the efficient execution of image processing tasks. The first part considers the basic problem of benchmarking and presents an evaluation procedure or sets of instructions for establishing benchmark routines, tasks, and procedures. The next part deals with the simulation and evaluation. This part first examines semiconductor chips designed for use in imaging processing followed by the presentation of formulas for measuring algorithms, architecture efficiency, speedup, and processing element utilization for SIMD/MIMD multicomputers. This part also considers the image processing systems composed of various types of networks of processing elements. The third part describes a content-addressable array and its applications to machine vision, as well as the architecture and programming methods of the WARP multicomputer. This part further looks into the elevation measurements techniques by registering stereo pairs obtained from aerial photography using ""pass point"" correlation methods. The concluding part highlights the hardware implementations of general-purpose image processing systems with associated performance evaluations. Computer scientists and engineers will greatly benefit from this book.

  • Teleports in the Information Age

    • 1 Edición
    • J.M. Noothoven van Goor + 1 más
    • Inglés
    Teleports represent the pinnacle of telecommunications development throughout the world. They are based on technologies (such as the telephone) which have become indispensable to daily life. But the pace of progress in this field is increasing rapidly. It has therefore become necessary to analyze current developments, and look to the future. This book presents discussions and analyses on almost all aspects of Teleports, ranging from the economic and legal considerations, to site development and the variety of services that can be offered. The final section of the book looks at the practice of operating Teleports in various countries around the world.

  • Fluid Mechanics

    Volume 6
    • 2 Edición
    • L D Landau + 1 más
    • Inglés
    This is the most comprehensive introductory graduate or advanced undergraduate text in fluid mechanics available. It builds up from the fundamentals, often in a general way, to widespread applications, to technology and geophysics. New to this second edition are discussions on the universal dimensions similarity scaling for the laminar boundary layer equations and on the generalized vector field derivatives. In addition, new material on the generalized streamfunction treatment shows how streamfunction may be used in three-dimensional flows. Finally, a new Computational Fluid Dynamics chapter enables compulations of some simple flows and provides entry to more advanced literature.

  • Design Sensitivity Analysis of Structural Systems

    • 1 Edición
    • Vadim Komkov + 2 más
    • Inglés
    The book is organized into four chapters. The first three treat distinct types of design variables, and the fourth presents a built-up structure formulation that combines the other three. The first chapter treats finite-dimensional problems, in which the state variable is a finite-dimensional vector of structure displacements and the design parameters. The structual state equations are matrix equations for static response, vibration, and buckling of structures and matrix differential equations for transient dynamic response of structures, which design variables appearing in the coefficient matrices.

  • Kinematic Hydrology and Modelling

    • 1 Edición
    • Volumen 26
    • M.E. Meadows + 1 más
    • Inglés
    Requiring little mathematical background, the book provides tools for hydraulic engineers and hydrologists concerned with estimating catchment runoff and floods. It condenses widely spread research literature on the subject of kinematic hydrology and emphasizes basic principles so it should be of value to students and teachers in these areas. The book is comprehensive and yet written in a basic way enabling practitioners to pick out relevant sections and apply them to real problems. It also contains a valuable collection of charts and equations as well as simple computer programs for modelling catchment runoff and stream flow using the kinematic equations.A wide spectrum of hydrological processes can be analyzed using the kinematic equations. Overland flow, stream flow and even groundwater flow can be studied. A review of the assumptions behind the theory indicates where alternative equations are more accurate. The book thus provides tools for hydrological simulation, stormwater system design and catchment management. It will be particularly useful for professors and students in postgraduate and senior years in hydrology, and practicing engineers and hydrologists in stormwater, flood and water resources fields.

  • Infrared and Millimeter Waves V15

    Millimeter Components and Techniques, Part VI
    • 1 Edición
    • Kenneth J. Button
    • Inglés
    Infrared and Millimeter Waves, Volume 15: Millimeter Components and Techniques, Part VI is concerned with millimeter-wave guided propagation and integrated circuits. This book covers low-noise receiver technology for near-millimeter wavelengths; dielectric image-line antennas; EHF satellite communications (SATCOM) terminal antennas; and semiconductor antennas for millimeter-wave integrated circuits. A scanning airborne radiometer for 30 and 90 GHz and a self-oscillating mixer are also described. This monograph is comprised of six chapters and begins with a discussion on the design of low-noise receivers, with emphasis on problems encountered at near-millimeter wavelengths. Optimization of the material parameters and device topology for both Schottky-barrier diodes and superconducting mixer elements are considered. Some representative examples of state-of-the-art mixers and receivers, designed to operate at frequencies of 100-1000 GHz, are given in order to illustrate the way in which practical, high-performance millimeter-wave devices can be constructed. The following chapters focus on a scanning airborne radiometer for 30 and 90 GHz; a self-oscillating mixer; dielectric image-line antennas; and EHF SATCOM terminal antennas. The final chapter is devoted to semiconductor dipole antennas for millimeter-wave sensors, with particular reference to the basic concepts leading to the development of semiconductor dipoles. A theoretical formulation for tubular semiconductor dipoles is outlined and numerical results are presented to assess their characteristics. This text will be a valuable resource for physicists and electronics and electrical engineers.

  • Gathering and Transportation

    • 2 Edición
    • Volumen 18B
    • Bozzano G Luisa
    • Inglés

  • Design of Distillation Column Control Systems

    • 1 Edición
    • P. Buckley + 2 más
    • Inglés
    A distillation column is both multivariable and nonlinear - and it consumes immense quantities of energy. Yet, despite the desigh challenges it presents, it is still the most popular unit operation for refining in industrial plants today. Much has been published on the subject of distillation column design, but much remains to be explained. That is why this book is unique. In a departure from the more traditional empirical and theoretical approaches, it introduced the reader to the practical realm, by presenting quantitative design techniques that have been demonstrated to be useful and valid over the course of hundreds of actual applications. The book is divided into three main parts. Part I, an introduction, presents an industrial perspective of control objectives. It discusses briefly the relationship between column design features and column controllability. It thus provides a short refresher course for chemical engineers and background for those trained in other branches of engineering. Part II, Concepts and Configurations, discusses column overhead and base arrangements, typical control schemes, and some hardware considerations. Part III is dedicated to quantitative design. Mathematical models are presented for pressure and differential pressure controls, liquid level control, and composition control of binary distillation.

  • Infrared and Millimeter Waves V14

    Millimeter Components and Techniques, Part V
    • 1 Edición
    • Kenneth J. Button
    • Inglés
    Infrared and Millimeter Waves, Volume 14: Millimeter Components and Techniques, Part V is concerned with millimeter-wave guided propagation and integrated circuits. In addition to millimeter-wave planar integrated circuits and subsystems, this book covers transducer configurations and integrated-circuit techniques, antenna arrays, optoelectronic devices, and tunable gyrotrons. Millimeter-wave gallium arsenide (GaAs) IMPATT diodes are also discussed. This monograph is comprised of six chapters and begins with a description of millimeter-wave integrated-circuit transducers, focusing on various designs and trade-offs and providing hardware examples. The next chapter deals with millimeter-wave planar integrated circuits based on three transmission media: microstrip lines, suspended strip lines, and fin lines. Various transmission media and substrates are first considered, followed by design considerations and performances of several integrated-circuit components, including mixers, IMPATT oscillators, frequency multipliers, switches, filters, couplers, and ferrite devices. A few selected subsystems are also discussed. The following chapters look at planar millimeter-wave antenna arrays; optoelectronic devices for millimeter waves; and the state of the art in GaAs IMPATT diode technology for both cw and pulsed modes of operation. The final chapter is devoted to the gyrotron or electron cyclotron resonance maser. This text will be a useful resource for physicists and electronics and electrical engineers.

  • Infrared and Millimeter Waves V13

    Millimeter Components and Techniques, Part IV
    • 1 Edición
    • Kenneth J. Button
    • Inglés
    Infrared and Millimeter Waves, Volume 13: Millimeter Components and Techniques, Part IV compiles the work of several authors while focusing on certain aspects of infrared and millimeter waves, such as sources of radiation, instrumentation, and millimeter systems. This volume covers millimeter components and techniques. This text first covers the use of powerful gyrotrons for thermonuclear research, and then discusses high-power coherent radiation sources. Kinetic theory of harmonic gyrotron oscillator with slotted resonant structure is the focus of Chapter 3, while integrated fin-line components for communication, radar, and radiometer applications is the subject of Chapter 4. The fifth chapter discusses propagation and mode coupling in corrugated and smooth-wall circular waveguides. Chapter 6 discusses far-infrared properties of inhomogeneous materials, and the last chapter covers solid-state spectroscopy with far-infrared continuous-wave lasers. This book will be of great use to researchers or professionals whose work involves infrared and millimeter waves.

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