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Elsevier

Pergamon

  • Gaseous Electronics and Gas Lasers

    • 1st Edition
    • Blake E. Cherrington
    • D. Ter Haar
    • English
    Gaseous Electronics and Gas Lasers deals with the fundamental principles and methods of analysis of weakly ionized gas discharges and gas lasers. The emphasis is on processes occurring in gas discharges and the analytical methods used to calculate important process rates. Detailed analyses of a variety of gas discharges are presented using atomic, ionic, and gas lasers as primary illustrations. Comprised of 12 chapters, this book begins with some initial categorization of gas discharge species and an overview of their interactions. The discussion then turns to an elementary theory of a gas discharge; inelastic collisions; distribution functions and the Boltzmann equation; and transport coefficients. Subsequent chapters focus on the fluid equations; electron-density decay processes; excited species; atomic neutral gas lasers; molecular gas lasers; and ion lasers. The important electron loss processes that determine the behavior of a plasma when the source and loss terms balance are also examined. This monograph will be of value to graduate students, practitioners, and researchers in the fields of physics and engineering, as well as to professionals interested in working with weakly ionized discharges.

  • Modern Control Engineering

    Pergamon Unified Engineering Series
    • 1st Edition
    • Maxwell Noton
    • English
    Modern Control Engineering focuses on the methodologies, principles, approaches, and technologies employed in modern control engineering, including dynamic programming, boundary iterations, and linear state equations. The publication fist ponders on state representation of dynamical systems and finite dimensional optimization. Discussions focus on optimal control of dynamical discrete-time systems, parameterization of dynamical control problems, conjugate direction methods, convexity and sufficiency, linear state equations, transition matrix, and stability of discrete-time linear systems. The text then tackles infinite dimensional optimization, including computations with inequality constraints, gradient method in function space, quasilinearization, computation of optimal control-direct and indirect methods, and boundary iterations. The book takes a look at dynamic programming and introductory stochastic estimation and control. Topics include deterministic multivariable observers, stochastic feedback control, stochastic linear-quadratic control problem, general calculation of optimal control by dynamic programming, and results for linear multivariable digital control systems. The publication is a dependable reference material for engineers and researchers wanting to explore modern control engineering.

  • Sensory Functions of the Skin in Primates

    With Special Reference to Man
    • 1st Edition
    • Yngve Zotterman
    • English
    Sensory Functions of the Skin in Primates: With Special Reference to Man deals with sensory functions of the skin in primates, particularly humans. The discussions are organized around three themes: mechanoreception, thermoception, and nociception. Comprised of 43 chapters, this volume begins with a detailed treatment of the natural and paranatural stimulation of sensory receptors, followed by an analysis of a theory of sympathetic-sensory coupling. The reader is then introduced to the "receptripse", the desmosome-like lamellar-axonal junction subserving mechano-electric transduction and inducing the sympathetic actions on the pacinian sensor. Subsequent chapters focus on differences in timing of corticocuneate and corticogracile actions; organization and neuronal morphology of the spinocervical tract; skin mechanoreceptors in the human hand; and cellular mechanisms in the parietal cortex in alert monkeys. The book also examines the response of central trigeminal neurons to cutaneous thermal stimulation and the role of thermoreceptors in thermoregulation. This monograph will be of interest to specialists in fields ranging from anatomy and biology to physiology and neurophysiology.

  • Computational Linguistics

    International Series in Modern Applied Mathematics and Computer Science
    • 1st Edition
    • Nick Cercone
    • English
    Computational Linguistics provides an overview of the variety of important research in computational linguistics in North America. This work is divided into 15 chapters and begins with a survey of the theoretical foundations and parsing strategies for natural language. The succeeding chapters deal with psychological and linguistic modeling, discourse processing analysis, text and content analysis, and natural language understanding, as well as knowledge organization, memory models, and learning. Other chapters describe the programming systems and considerations for computation linguistics. The last chapters look into the nature of natural language front-end processes to database systems. These chapters also examine the human factors interface. This book will prove useful to computing scientists, philosophers, psychologists, and linguists.

  • Rock Testing and Site Characterization

    Comprehensive Rock Engineering:: Principles, Practice and Projects
    • 1st Edition
    • Volume 3
    • J.A. Hudson
    • English

  • Six-Figure Tables of Trigonometric Functions

    Mathematical Tables Series
    • 1st Edition
    • L. S. Khrenov
    • English
    THE PRESENT six-figure trigonometric tables complete the series of tables of the natural values of the trigonometric functions published by Fizmatgiz. Now that small computers have become very widely available, almost all computations are carried out by machine, and the majority of computational schemes arc suited to this purpose. The situation calls urgently for the availability of tables containing the natural values of all six trigonometric functions. The following special factor emerges here. In logarithmic computations the same relative accuracy is guaranteed more or less automatically for all values of the argument: the number of correct significant figures in the result is either equal to or (in rare cases) one less than, the number of significant figures in the mantissa of the logarithm. In computations with natural values of the functions the same relative accuracy is guaranteed in practice for all arguments only by having a constant nmber of significant figures throughout the tables. Until recently however, tables of the natural values of the trigonometric functions have been compiled both in Russia and abroad with the same number of places after the decimal point, which leads to a loss of accuracy when computing with functions of small angles. In view of this there is an urgent need for tables of the natural values of the trigonometric functions with a constant number of significant figures which substantially guarantees roughly the- same relative accuracy for all angles. The present tables, together with the following, already published by Fizmatgiz: Fil'e-figure Tables (L. S. Khrenov~ 1954), Five-.figure Tables l~,ith the Argument in Time (L. S. Khrenov, 1954), Seven-figure Tables(L. S. Khrenov, 1956) and Six-figure Tables with the Argunlent in Time (S. A. Angelov, 1957), form a complete series ~ith the same number of significant figures, satisfying the main requirements of a wide variety of computers. When compiling the present tables, use was made for purposes of collation of the following tables of the natural values of the trigonometric functions: The I)-figure Table..' of H. Andoyer, (Paris, 1915-1918), the Eight-figure Table of J. Peters (Berlin) J939), the Seven-figure Table of °L.S. Khrenov (2nd. ed., Gostekhizdat, 1956), the Seven-figure Table of H. C. Ives, and the Eight-figure Tables oj' the Logarith,l1.ft of NumberaV and oJ the Trigonometric functions of J. Bauschin.e;er and J. Peters (Geodezizdat, 1942 and 1944).

  • Nuclear Reactor Kinetics and Control

    Pergamon International Library of Science, Technology, Engineering and Social Studies
    • 1st Edition
    • Jeffery Lewins
    • English
    Nuclear Reactor Kinetics and Control deals with the application of classical control methods in the frequency space to the dynamic processes of a nuclear reactor. The importance of the reactor as part of an integrated plant including ultimately the load, in the form of an electrical grid, is given emphasis. Ideas of probability and safety are also discussed. Comprised of nine chapters, this book begins with an introduction to the kinetics and control of a nuclear reactor, paying particular attention to Laplace and Fourier transforms, the stability of linear systems, and probability theory. The discussion then turns to neutron and precursor equations; elementary solutions of the kinetics equations at low power; and linear reactor process dynamics with feedback. Subsequent chapters focus on power reactor control systems; fluctuations and reactor noise; aspects of reliability and its consequences for safety; and stability and control of nonlinear systems. The book concludes by considering the modern electric analogue computer as well as the patching or programming rules whereby it can be made to find solutions to problems of interest by virtue of the analogous behavior of electric circuits. A number of examples of intrinsic interest in nuclear engineering are presented. This monograph is intended for undergraduates and postgraduates who are studying nuclear engineering, including engineers, physicists, and perhaps applied mathematicians.

  • Advanced Electric Circuits

    • 1st Edition
    • A. M. P. Brookes
    • P. Hammond
    • English
    Advanced Electric Circuits deals with the concepts of advanced electric circuits and covers topics ranging from the symbolic method of analysis to network theorems, bridge networks, and tuned circuits and filters. Polyphase circuits, non-sinusoidal and transient excitation, and valves and transistors as circuit elements are also discussed, along with elementary transmission-line analysis. Comprised of nine chapters, this book begins with an overview of the j method of solving circuit problems and the various ways in which the vectors can be expressed so that the most suitable form may be chosen for any particular problem. The application of the four basic algebraic processes — addition, subtraction, multiplication, and division — to vectors in the j rotation is also considered. The discussion then turns to bridge networks, tuned circuits and filters, and polyphase circuits. The remaining chapters focus on non-sinusoidal and transient excitation, valves and transistors as circuit elements, and elementary transmission lines. This monograph will be of interest to electricians, electrical engineers, and students of electrical engineering courses.

  • Microcomputers for Process Control

    The Pergamon Materials Engineering Practice Series
    • 1st Edition
    • R. C. Holland
    • English
    Microcomputers for Process Control describes the interfacing techniques in plant measurements and the applications of microcomputers for plant monitoring and control. This book is composed of nine chapters and begins with an overview of microprocessor applications. The next chapters deal with the basic principles of microcomputer technology and performing plant measurements using microcomputers. These topics are followed by discussions of the microcomputer system hardware, the VDU-based systems for plant monitoring, and the different modes of process control. This text also examines the software components of microcomputer system. The final chapters consider the specific applications of microcomputer to plant monitoring and control, as well as the operating details for particular microcomputers. This book is of great value to plant and process control engineers, as well as engineering students who wish to acquire a basic understanding of microprocessing technology.

  • Mathematical Methods

    A Course of Mathematics for Engineers and Scientists
    • 2nd Edition
    • Brian H. Chirgwin + 1 more
    • English
    Mathematical Methods is an introductory course on mathematical methods for students aiming for a first degree in engineering or science. Topics covered include differentiation and integration and their applications; the geometry of two dimensions, and complex numbers. Statistics and probability are also discussed. Comprised of eight chapters, this volume begins with an introduction to fundamental concepts, including the roots of equations; elementary two-dimensional coordinate geometry; limits and continuity; inequalities and quadratic forms; mathematical induction; and convergence. The discussion then turns to the techniques of differentiation and integration and their applications; the geometry of two dimensions; and complex numbers and their roots, together with trigonometric expansions. The book concludes with a chapter on statistics and probability, paying particular attention to the properties of a frequency distribution; some special probability distributions; normal distribution and the error function; and some probability problems. This monograph is intended for students taking a course in engineering or science.

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