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Books > Professional & Technical > Technology: general issues > Instruments & instrumentation engineering > Engineering measurement & calibration
Can a newborn infant accurately record traumatic experience? Can
early truamas be retained in memory? How would such traumatic
memories affect later development? Where should we look for
evidence of such traumas in adult patients? If Someone Speaks, It
Gets Lighter provides surprising answers to these questions. Taking
as her point of departure both her own clinical experience and case
reports in the analytic literature, Lynda Share provides a
thorough, at times revelatory, examination of the basic issues. She
proposes that the controversy between narrative and historical
truth be redefined in terms of the distinctly different memory
systems involved and in terms of the special mechanisms whereby
trauma, as opposed to ordinary expectable experience, becomes a
major unconscious organizer of behavior and memory. Then, winding
her way skillfully through contemporary debates about the limits of
reconstruction, she argues persuasively that the impact of early
infantile trauma can become accessible through disciplined analytic
inquiry. Indeed, for Share, to forego the possibility of
reconstructing such traumas in favor of an exclusively here-and-now
interpretive approach is to risk perpetuating the trauma in all its
pathogenicity. By contrast, when trauma can be reexperienced
meaningfully in treatment, both behavioral reenactments and
trauma-related transference issues can be dramatically clarified.
Demonstrating her point with vivid clinical case reports, Share
emphasizes the special value of dream interpretation in recovering
the full psychological impact of events that occurred in the first
few years of life. Through the imagistic dimension of dream
formation, unconscious traumatic memories gain access to an
expressive vehicle through which the patient, aided by the
analyst's understanding, can begin to work through early
experiences that have heretofore been dimly known but not felt.
This monograph presents a variety of techniques that can be
used for designing robust fault diagnosis schemes for non-linear
systems. The introductory part of the book is of a tutorial value
and can be perceived as a good starting point for the new-comers to
this field. Subsequently, advanced robust observer structures are
presented. Parameter estimation based techniques are discussed as
well. A particular attention is drawn to experimental design for
fault diagnosis. The book also presents a number of robust soft
computing approaches utilizing evolutionary algorithms and neural
networks. All approaches described in this book are illustrated by
practical applications.
Hybrid Simulation deals with a rapidly evolving technology
combining computer simulation (typically finite element) and
physical laboratory testing of two complementary substructures. It
is a cost effective alternative to shaking table test, and allows
for the improved understanding of complex coupled systems.
Traditionally, numerical simulation and physical tests have been
uncoupled and performed separately. In this simulation paradigm the
coupled nature of the simulation allows for improved understanding,
and more efficient design since the factor of safety does not have
to be arbitrarily inflated to account for uncertainties of
uncoupling. It is a multidisciplinary technology which relies
heavily on control theory, computer science, numerical techniques
and finds applications in aerospace, civil, and mechanical
engineering.
This book conveys the theoretical and experimental basics of a
well-founded measurement technique in the areas of high DC, AC and
surge voltages as well as the corresponding high currents.
Additional chapters explain the acquisition of partial discharges
and the electrical measured variables. Equipment exposed to very
high voltages and currents is used for the transmission and
distribution of electrical energy. They are therefore tested for
reliability before commissioning using standardized and future test
and measurement procedures. Therefore, the book also covers
procedures for calibrating measurement systems and determining
measurement uncertainties, and the current state of measurement
technology with electro-optical and magneto-optical sensors is
discussed.
Metrology is the science of measurements. As such, it deals with
the problem of obtaining knowledge of physical reality through its
quantifiable properties. The problems of measurement and of
measurement accuracy are central to all natural and technical
sciences. Now in its second edition, this monograph conveys the
fundamental theory of measurement and provides some algorithms for
result testing and validation.
This comprehensive and authoritative dictionary provides clear definitions of units, prefixes, and styles of weights and measures within the Système International (SI), as well as traditional, and industry-specific units. It also includes general historical and scientific background, covering the development of the sequential definitions and sizing of units. This new reference work will prove invaluable to professional scientists, engineers, technicians as well as to students and the general user.
Instrumentation (the choice and use of sensors and the processing of signals from them) is a subject of fundamental importance to engineering, science, and medicine. From the student undertaking a laboratory investigation to the operators of a nuclear power plant or medical equipment, accurate measurements are an essential pre-requisite to the understanding and control of all physical processes. This is a practical, concise, and up-to-date book covering data acquisition and analysis in an integrated fashion.
Dieses Buch vermittelt geballtes Wissen zur
Halbleiter-SchaltungstechnikSeit nunmehr 50 Jahren ist dieses Buch
uber die Schaltungstechnik auf dem Markt, doch in die Jahre
gekommen ist es noch lange nicht. Auch die 16. Auflage wurde von
den Verfassern intensiv uberarbeitet und erweitert und stellt dem
Leser viele wichtige Themen der Halbleiter-Schaltungstechnik vor,
darunter eine Einfuhrung in die Digitaltechnik,
Anwendungsmoeglichkeiten in Bauelementen und Schaltungen der
Nachrichtentechnik. Inhalte richten sich Praktiker und Studierende
Von den Inhalten dieses Buchs uber die Schaltungstechnik
profitieren sowohl Studenten als auch Ingenieure. Samtliche Kapitel
wurden entsprechend der neuesten technischen Entwicklungen
uberarbeitet. Es vermittelt Grundlagenwissen aber auch
tiefergehende Informationen.
The science of measurement and instrumentation is a
multidisciplinary study. This book covers a wide range of important
topics including fundamental measurement theory, sampling, system
identification/signal processing, analog-to-digital conversion,
sensors, soft- and hardware aspects of instrumentation,
non-destructive testing, electromagnetic compatibility,
reliability, and usability. With practical applications and
downloadable application examples, including MATLAB codes, it
provides valuable information for electrical and systems engineers,
EE students, and measurement professionals.
Reiner Thiele zeigt mit den singularen Loesungen spezieller
Riccati-Differenzialgleichungen (DGL) den Entwurf zugehoeriger
Riccati-Messsysteme (RMS), appliziert in
Faraday-Effekt-Stromsensoren. Diese Loesungen sind durch einen
linearen Zusammenhang zwischen Messgroesse und Messwert
gekennzeichnet und deshalb sehr gut zur Anwendung in RMS geeignet.
Wegen der Einfachheit der analogen Realisierungen mit
Operationsverstarkern (OPV) gibt der Autor ihnen den Vorzug
gegenuber aufwendigen digitalen Varianten.
In diesem Band der Reihe Fachwissen Technische Akustik werden
passive und aktive hydroakustische Messsysteme und -verfahren
vorgestellt, die fur Wasserschallmessungen im Meer verwendet
werden. Auch wenn viele Verfahren aus dem Bereich des Luftschalls
grundsatzlich auf Wasserschall ubertragbar sind, so ergeben sich
aufgrund der akustischen Eigenschaften des Meeres und der
begrenzenden Flachen (Meeresboden und -oberflache) sowie der
spezifischen Eigenschaften der hydroakustischen Messtechnik doch
signifikante Unterschiede. Nach einer Einfuhrung in die fur
Wasserschallmessungen gebrauchlichen Mess- und (spektralen)
Pegelgroessen und die Grundlagen der hydroakustischen Sensorik wird
ein UEberblick uber die meeresakustischen Randbedingungen gegeben.
Fur jede Wasserschallmessung ist die Kenntnis der
Schallausbreitungsbedingungen und der Umgebungsgerausche im Meer
von zentraler Bedeutung. Anhand von zwei typischen Messaufgaben,
der Bestimmung des Quell- oder Zielpegels eines Schiffes und der
von Rammschall bei der Errichtung von Offshore-Windenergieanlagen,
werden dann unterschiedliche stationare und driftende Sensorsysteme
im Detail vorgestellt. Anschliessend wird auf die Vor- und
Nachteile von geschleppten Sensorsystemen, wie der horizontalen
Richtungsbildung und dem stroemungsinduzierten Eigenstoergerausch,
naher eingegangen. Im letzten Abschnitt dieses Kapitels werden
aktive Verfahren und Systeme behandelt, die bei Untersuchungen des
Meeresbodens, der Schallausbreitung im Meer und der Ruckstreu- und
Absorptionseigenschaften getauchter Objekte sowie bei der
Kalibrierung von hydroakustischen Antennen Verwendung finden.
This book makes life easier for those developing a computerized experiment. It is full of information to enable scientists and engineers to find their way through the many computing and electronics topics associated with computerized measurement. It draws together the knowledge of several fields in an easy to understand manner, and comes complete with a disk containing all the many useful examples of software and other information listed in the text.
This book is written by the world leading experts in nanotechnology. It examines the manufacture of integrated circuits and opto-electronic devices and the systems required to achieve accuracy in the nanometre range. Nanotechnology is essential in the fabrication of extremely precise and fine parts. This technology is vital to the advances being made in various high-tech processes. This highly topical work will therefore be an essential source of reference for academic and industrial research and research workers particularly in high-technology and precision industries.
Die Forschung und Anwendungsentwicklung in dem Bereich
chemischer und biochemischer Sensoren ist weiterhin in einem
schnellen Wachstum begriffen. Die Erfahrungen des letzten
Jahrzehnts haben jedoch gezeigt, dass die erfolgreiche Entwicklung
solcher Sensoren, die auch den harten Routinebedingungen in den
vielfaltigen Anwendungsgebieten widerstehen, nur dann moglich ist,
wenn Chemiker und Ingenieure kooperieren. Daher ist es das Ziel
dieses Lehrbuches, sowohl Chemikern als auch Ingenieuren,
Lebensmittel- und Biotechnologenin einer streng systematischen aber
sehr praxisorientierten Darstellung die Technologie und die
Anwendung chemischer Sensoren nahezubringen.
Der interdisziplinare Ansatz uberbruckt die unterschiedlichen
Denkweisen in Chemie, Physik und Ingenieurwissenschaften
erfolgreich."
How do you draw a straight line? How do you determine if a
circle is really round? These may sound like simple or even trivial
mathematical problems, but to an engineer the answers can mean the
difference between success and failure. "How Round Is Your Circle?"
invites readers to explore many of the same fundamental questions
that working engineers deal with every day--it's challenging,
hands-on, and fun.
John Bryant and Chris Sangwin illustrate how physical models
are created from abstract mathematical ones. Using elementary
geometry and trigonometry, they guide readers through
paper-and-pencil reconstructions of mathematical problems and show
them how to construct actual physical models themselves--directions
included. It's an effective and entertaining way to explain how
applied mathematics and engineering work together to solve
problems, everything from keeping a piston aligned in its cylinder
to ensuring that automotive driveshafts rotate smoothly.
Intriguingly, checking the roundness of a manufactured object is
trickier than one might think. When does the width of a saw blade
affect an engineer's calculations--or, for that matter, the width
of a physical line? When does a measurement need to be exact and
when will an approximation suffice? Bryant and Sangwin tackle
questions like these and enliven their discussions with many
fascinating highlights from engineering history. Generously
illustrated, "How Round Is Your Circle?" reveals some of the hidden
complexities in everyday things.
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