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Book
Design and Implementation of Sigma Delta Modulators (ΣΔM) for Class D Audio Amplifiers using Differential Pairs
Authors: ---
ISBN: 9783319116389 3319116371 9783319116372 331911638X Year: 2015 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book focuses on the design of a 3rd Order CT-ΣΔM where the integrator stages of the filter are implemented with Bipolar-Junction Transistors (BJT) differential pairs. These circuits are fully analyzed and the design method is carefully explained. The design method is validated through experimental measurements of several prototype circuits.

Keywords

Engineering. --- Circuits and Systems. --- Electronics and Microelectronics, Instrumentation. --- Signal, Image and Speech Processing. --- Electronics. --- Systems engineering. --- Ingénierie --- Electronique --- Ingénierie des systèmes --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Electrical Engineering --- Modulators (Electronics) --- Audio amplifiers. --- Amplifiers, Audio --- Audio-frequency amplifiers --- Microelectronics. --- Electronic circuits. --- Amplifiers (Electronics) --- Modulation (Electronics) --- Pulse circuits --- Radio --- Transmitters and transmission --- Electrical engineering --- Physical sciences --- Engineering systems --- System engineering --- Engineering --- Industrial engineering --- System analysis --- Design and construction --- Signal processing. --- Image processing. --- Speech processing systems. --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Computational linguistics --- Electronic systems --- Information theory --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Electronics --- Microtechnology --- Semiconductors --- Miniature electronic equipment --- Electron-tube circuits --- Electric circuits --- Electron tubes


Digital
Design and Implementation of Sigma Delta Modulators (ΣΔM) for Class D Audio Amplifiers using Differential Pairs
Authors: ---
ISBN: 9783319116389 9783319116372 9783319116396 Year: 2015 Publisher: Cham Springer International Publishing

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Abstract

This book focuses on the design of a 3rd Order CT-ΣΔM where the integrator stages of the filter are implemented with Bipolar-Junction Transistors (BJT) differential pairs. These circuits are fully analyzed and the design method is carefully explained. The design method is validated through experimental measurements of several prototype circuits.


Book
Figuring it out : entertaining encounters with everyday math
Author:
ISBN: 3642048323 9786612982750 1282982753 3642048331 Year: 2010 Publisher: Berlin ; New York : Springer,

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This is a book of mathematical stories — funny and puzzling mathematical stories. They tell of villains who try to steal secrets, heroes who encode their messages, and mathematicians who spend years on end searching for the best way to pile oranges. There are also stories about highway confusions occurring when the rules of Cartesian geometry are ignored, small-change errors due to ignorance of ancient paradoxes, and mistakes in calendars arising from poor numerical approximations. This book is about the power and beauty of mathematics. It shows mathematics in action, explained in a way that everybody can understand. It is a book for enticing youngsters and inspiring teachers. Nuno Crato is a leading science writer and mathematician, whose entertaining essays have won a number of international awards.


Book
Fundamental rights and private law in Europe : the case of tort law and children
Author:
ISBN: 9780415579452 9780203815618 9781136716270 9781136716317 9781136716324 9780415859295 Year: 2011 Publisher: London : Routledge,


Book
Description of Situations : An Essay in Contextualist Epistemology
Author:
ISBN: 3030001547 3030001539 Year: 2018 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book approaches classic epistemological problems from a contextualist perspective. The author takes as his point of departure the fact that we are situated beings, more specifically that every single moment in our lives is already given within the framework of a specific context in the midst of which we understand ourselves and what surrounds us. In the process of his investigation, the author explores, in a fresh way, the works of key thinkers in epistemology. These include Bernard Bolzano, René Descartes, Gottlob Frege, Edmund Husserl, Immanuel Kant and Ludwig Wittgenstein, but also contemporary authors such as Stewart Cohen, Keith DeRose, David Lewis, Duncan Pritchard, Ernest Sosa and Charles Travis. Some of the topics covered are attributions of knowledge, the correspondence theory of truth, objectivity and subjectivity, possible worlds, primary and secondary evidence, scepticism, transcendentalism and relativism. The book also introduces a new contextualist thought-experiment for dealing with moral questions. Contextualism has received a great deal of attention in contemporary epistemology. It has the potential to resolve a number of issues that traditional epistemological approaches cannot address. In particular, a contextualist view opens the way to an understanding of those cognitive processes that require situational information to be fully grasped. However, contextualism poses serious difficulties in regard to epistemic invariance. This book offers readers an innovative approach to some fundamental questions in this field.


Book
Modern Sample Preparation Approaches for Separation Science
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ISBN: 3039214128 303921411X Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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This book will provide the most recent knowledge and advances in Sample Preparation Techniques for Separation Science. Everyone working in a laboratory must be familiar with the basis of these technologies, and they often involve elaborate and time-consuming procedures that can take up to 80% of the total analysis time. Sample preparation is an essential step in most of the analytical methods for environmental and biomedical analysis, since the target analytes are often not detected in their in-situ forms, or the results are distorted by interfering species. In the past decade, modern sample preparation techniques have aimed to comply with green analytical chemistry principles, leading to simplification, miniaturization, easy manipulation of the analytical devices, low costs, strong reduction or absence of toxic organic solvents, as well as low sample volume requirements.Modern Sample Preparation Approaches for Separation Science also provides an invaluable reference tool for analytical chemists in the chemical, biological, pharmaceutical, environmental, and forensic sciences.

Keywords

caffeine and acetaminophen tracers --- solvent delivery with a moving pipette --- determination --- China herbal tea --- enrichment --- review --- on-line --- pectin --- nanocomposite --- Cassiae Semen --- environmental analysis --- pathogenic --- preconcentration --- nail --- liver --- extraction --- sample preparation --- hydrogel --- solid-phase extraction --- geological samples --- ionic liquids --- rice grains --- subzero-temperature assisted liquid–liquid extraction --- sugaring-out assisted liquid–liquid extraction --- poly (OMA-co-TRIM) monolithic column --- hormones --- vortex-synchronized matrix solid-phase dispersion --- trace analysis --- gas chromatography --- LC–MS/MS --- membrane-based microextraction --- gold --- antipsychotics --- in-line filter --- HPLC --- space instrumentation --- liquid chromatography --- biological samples --- vitamins --- polyvinyl alcohol --- in-tube SPME --- high-frequency heating --- UPLC-MS/MS --- oxylipins --- nucleic acid isolation --- non-anthocyanin polyphenol --- large volume --- barbiturates --- solvent front position extraction --- oligopeptides --- urine --- SPE --- whole blood --- anthraquinones --- flow rate --- chlorophenoxy acid herbicides --- amlodipine --- schizophrenic’ patients --- salting-out assisted liquid–liquid extraction --- automation --- sorbent --- whole water --- blueberry --- hydrophobic-solvent assisted liquid–liquid extraction --- crab shells --- miniaturization --- curie temperature --- sand --- UHPLC-MS/MS --- multi-spheres adsorptive micro-extraction (MSA?E) --- floating sampling technology --- protein precipitation --- pesticides residue --- sample preparation with TLC/HPTLC --- phenolic compounds --- response surface methodology --- vortex-assisted dispersive liquid-liquid microextraction --- trapping system --- caffeine --- aflatoxins --- liquid chromatography–tandem mass spectrometry --- pesticides --- organic-based monoliths --- matrix solid phase dispersion --- simultaneous determination --- pharmaceuticals --- sorbent-based techniques --- desirability function approach --- plasma samples --- environmental water matrices --- hydrophobic in-tube solid-phase microextraction --- liquid–liquid extraction


Book
Improving a Country’s Education : PISA 2018 Results in 10 Countries
Author:
ISBN: 3030590313 3030590305 Year: 2021 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This open access book compares and contrasts the results of international student assessments in ten countries. The OECD’s Programme for International Student Assessment (PISA) released the results of its 2018 assessment in December 2019. This book reflects the debates that typically follow the release of these results and focuses on the causes of differences between countries. Such causes include continuous decline in one country, improvement combined with increasing internal inequalities in another country, or rapid improvement in spite of an outdated curriculum in yet another. In addition, the book discusses a number of general questions: Is knowledge outdated? Are computers taking over and replacing teachers? Are schools killing creativity? Are we adequately preparing the next generation? Are schools failing to educate our kids? The book starts out with a summary of PISA’s evolution and PISA results, and an explanation of the major factors that play a role in changes in countries’ results. The next ten chapters are devoted to ten specific countries, offering a summary of data and an explanation of the major drives for changes in education results for each one. Each chapter includes a short description of the country’s educational system as well as the impact of PISA and other ILSA studies on the country’s educational policies. The chapters also include a timeline of policy measures and main hallmarks of the country’s educational evolution, discussing the impact of these measures on its PISA results. While highlighting the 2018 results, the book also takes into consideration previous results, as well as long-term initiatives.


Book
Epidemiology : Current Perspectives on Research and Practice
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ISBN: 9535169254 9535103822 Year: 2012 Publisher: IntechOpen

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This special issue resulted from the invitation made to selected authors to contribute with an overview of a specific subject of their choice, and is based on a collection of papers chosen to exemplify some of the interests, uses and views of the epidemiology across different areas of research and practice. Rather than the comprehensiveness and coherence of a conventional textbook, readers will find a set of independent chapters, each of them of a great interest in their own specialized areas within epidemiology. Taken together, they illustrate the contrast between the attempt to extend the limits of applicability of epidemiological research, and the "regular" scientific activity in this field or an applied epidemiology. Epidemiologists with different levels of expertise and interests will be able to find informative and inspiring readings among the chapters of this book.


Book
G. W. Leibniz - novo sistema da natureza : princípios da natureza e da graça
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ISBN: 9892620062 9892620135 Year: 2020 Publisher: Coimbra University Press

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In 1714, Prince Eugénio de Savoy asks Leibniz for a summary of his "thought". In response, he receives the Principes de la Nature et de Grace fondés en raison. A few months later2, Leibniz started writing "Monadologia" 3. The two texts are, therefore, contemporary and, therefore, usually edited together, which is justified: they correspond to the same phase of Leibniz's thought and, although they focus on the same problems from not always identical angles, they have a very literary form similar. None of the texts was published in Leibniz's life.


Book
Microsoft exchange server 2013 high availability
Author:
ISBN: 1782171517 9781782171515 1782171509 9781782171508 Year: 2014 Publisher: Birmingham, UK Packt Pub.

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This book is a hands-on practical guide that provides the reader with a number of clear scenarios and examples, making it easier to understand and apply the new concepts. Each chapter can be used as a reference, or it can be read from beginning to end, allowing consultants/administrators to build a solid and highly available Exchange 2013 environment. If you are a messaging professional who wants to learn to design a highly available Exchange 2013 environment, this book is for you. Although not a definite requirement, practical experience with Exchange 2010 is expected, without being a subject

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