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1000 tulosta hakusanalla Nicholas M Maslin

HF Communications

HF Communications

Nicholas M Maslin

Routledge
1987
nidottu
Communications using the high frequency spectrum (2-30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems More...designer. The aim of this book, therefore, is to provide a firm foundation for the design, evaluation and operational use of HF communications, with systems issues as the primary perspective. The approach provides an understanding of the way in which various elements of the system contribute to the overall HF communications link performance. Mathematics is introduced only where needed to clarify or illustrate key issues. The book will be vital to the professional communications engineer, already familiar with many of the problems but requiring a consolidated systems view of the subject; to the engineering student and research worker as a reference text which demonstrates how modern technology can be used to solve problems posed to the HF user; and to non- specialists and consultants within the communications industry.
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HF Communications

HF Communications

Nicholas M Maslin

CRC Press
2017
sidottu
Communications using the high frequency spectrum (2-30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems More...designer. The aim of this book, therefore, is to provide a firm foundation for the design, evaluation and operational use of HF communications, with systems issues as the primary perspective. The approach provides an understanding of the way in which various elements of the system contribute to the overall HF communications link performance. Mathematics is introduced only where needed to clarify or illustrate key issues. The book will be vital to the professional communications engineer, already familiar with many of the problems but requiring a consolidated systems view of the subject; to the engineering student and research worker as a reference text which demonstrates how modern technology can be used to solve problems posed to the HF user; and to non- specialists and consultants within the communications industry.
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HF Communications: A Systems Approach

HF Communications: A Systems Approach

Nicholas M. Maslin

Kluwer Academic/Plenum Publishers
1987
nidottu
Communications using the high frequency spectrum (2--30 MHz) have experienced a considerable resurgence. In recent years, powerful microcomputers and VLSI technology have greatly enhanced the prospects of overcoming many of the unique problems that formerly afflicted the HF systems designer. The aim of this book, therefore, is to provide a firm foundation for the design, evaluation and operational use of HF communications, with systems issues as the primary perspective.; The approach provides an understanding of the way in which various elements of the system contribute to the overall HF communications link performance.; Mathematics is introduced only where needed to clarify or illustrate key issues. The book will be vital to the professional communications engineer, already familiar with many of the problems but requiring a consolidated systems view of the subject; to the engineering student and research worker as a reference text which demonstrates how modern technology can be used to solve problems posed to the HF user; and to non- specialists and consultants within the communications industry.
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Safe, Responsible, Kind

Safe, Responsible, Kind

Nicholas Malino

Lulu.com
2019
pokkari
Ralphie and Ed are two nice quite pigs that live in a nice, quite house, in a nice, quite town. They go out for a walk and they see a hungry hawk lurking high above and they waddle back to their nice, quite house. But, in the house is a little brown mouse, there is a knowck at the door and a fat cat, named Fat Cat, arrives, followed by a group of funny, silly animals that raise such a ruckus that they make the roof go flying off the house. Then the hawk comes back The animals are in great danger. They have no where to go and not where to hide. Who will save them? What lessons will they learn?
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Lost If Not Found

Lost If Not Found

Nicholas V Malinowski

IngramSpark
2021
sidottu
An illustrated poem about a lost soul's journey to self discovery and creative purpose. The protagonist, a young disenchanted adult finds inspiration one day in a town park. This subtle and seeming insignificant moment sets him on a new path in which some unlikely friends help him discover that true perception is truly lost if not found.
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Transgender 101

Transgender 101

Nicholas M Teich

Columbia University Press
2012
sidottu
Written by a social worker, popular educator, and member of the transgender community, this well-rounded resource combines an accessible portrait of transgenderism with a rich history of transgender life and its unique experiences of discrimination. Chapters introduce transgenderism and its psychological, physical, and social processes. They describe the coming out process and its effect on family and friends, the relationship between sexual orientation, and gender and the differences between transsexualism and lesser-known types of transgenderism. The volume covers the characteristics of Gender Identity Disorder/Gender Dysphoria and the development of the transgender movement. Each chapter explains how transgender individuals handle their gender identity, how others view it within the context of non-transgender society, and how the transitioning of genders is made possible. Featuring men who become women, women who become men, and those who live in between and beyond traditional classifications, this book is written for students, professionals, friends, and family members.
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Transgender 101

Transgender 101

Nicholas M Teich

Columbia University Press
2012
pokkari
Written by a social worker, popular educator, and member of the transgender community, this well-rounded resource combines an accessible portrait of transgenderism with a rich history of transgender life and its unique experiences of discrimination. Chapters introduce transgenderism and its psychological, physical, and social processes. They describe the coming out process and its effect on family and friends, the relationship between sexual orientation, and gender and the differences between transsexualism and lesser-known types of transgenderism. The volume covers the characteristics of Gender Identity Disorder/Gender Dysphoria and the development of the transgender movement. Each chapter explains how transgender individuals handle their gender identity, how others view it within the context of non-transgender society, and how the transitioning of genders is made possible. Featuring men who become women, women who become men, and those who live in between and beyond traditional classifications, this book is written for students, professionals, friends, and family members.
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An Irish-Speaking Island

An Irish-Speaking Island

Nicholas M. Wolf

University of Wisconsin Press
2014
nidottu
After 1770, Ireland experienced the establishment of modern forms of Irish Catholicism, new engagement by the public with the political process, and the growth of the modern state, represented by new legal and educational systems.An Irish-Speaking Island investigates the role in these developments of the population who spoke Irish in their daily lives - whether as a first or second language - and links the history of language contact and bilingualism with the broader history of Ireland in the eighteenth and nineteenth centuries.As late as 1840, Ireland had as many as four million Irish speakers - a significant proportion of the total population - who could be found in every county of the island and in all social classes and religious persuasions. Their impact on the modern history of Ireland and the United Kingdom cannot be captured by a simple conclusion that they became anglicized. Rather, Nicholas M. Wolf explores the complex ways in which the transition from Irish to English placed a premium on adaptive bilingualism and shaped beliefs and behavior in the domestic sphere, religious life, and oral culture within the community. An Irish-Speaking Island will interest not only historians but also scholars of linguistics, folklore, politics, literature, and religion.
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Ideology and Utopia in the Poetry of William Blake

Ideology and Utopia in the Poetry of William Blake

Nicholas M. Williams

Cambridge University Press
2006
pokkari
Scholars have often drawn attention to William Blake's unusual sensitivity to his social context. In this book Nicholas Williams situates Blake's thought historically by showing how through the decades of a long and productive career Blake consistently responded to the ideas, writing, and art of contemporaries. Williams presents detailed readings of several of Blake's major poems alongside Rousseau's Emile, Wollstonecraft's Vindication of the Rights of Woman, Paine's Rights of Man, Burke's Reflections on the Revolution in France, and Robert Owen's Utopian Experiments. In so doing, he offers revealing new insights into key Blake texts and draws attention to their inclusion of notions of social determinism, theories of ideology-critique, and Utopian traditions. Williams argues that if we are truly to understand ideology as it relates to Blake, we must understand the practical situation in which the ideological Blake found himself. His study is a revealing commentary on the work of one of our most challenging poets.
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Search Models and Applied Labor Economics

Search Models and Applied Labor Economics

Nicholas M. Kiefer; George R. Neumann

Cambridge University Press
1989
sidottu
This 1989 collection of papers marks the development of empirical application of the search approach to labor economics - an approach which arose as a theoretical development of the 1960s and led to numerous insights in the 1970s. The search approach naturally incorporates uncertainty in the economic model, making up some of the early work in what is now called 'the economics of information'. Included are econometric issues such as estimation and specification of search models for wages and unemployment duration, continuous time models of turnover, and identification of structural parameters. Applications to policy questions including Unemployment Insurance and wage subsidy programs are given, and data collection issues are discussed within the search framework.
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Ideology and Utopia in the Poetry of William Blake

Ideology and Utopia in the Poetry of William Blake

Nicholas M. Williams

Cambridge University Press
1998
sidottu
Scholars have often drawn attention to William Blake's unusual sensitivity to his social context. In this book Nicholas Williams situates Blake's thought historically by showing how through the decades of a long and productive career Blake consistently responded to the ideas, writing, and art of contemporaries. Williams presents detailed readings of several of Blake's major poems alongside Rousseau's Emile, Wollstonecraft's Vindication of the Rights of Woman, Paine's Rights of Man, Burke's Reflections on the Revolution in France, and Robert Owen's Utopian Experiments. In so doing, he offers revealing new insights into key Blake texts and draws attention to their inclusion of notions of social determinism, theories of ideology-critique, and Utopian traditions. Williams argues that if we are truly to understand ideology as it relates to Blake, we must understand the practical situation in which the ideological Blake found himself. His study is a revealing commentary on the work of one of our most challenging poets.
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Church, World and the Christian Life

Church, World and the Christian Life

Nicholas M. Healy

Cambridge University Press
2000
sidottu
This book argues that modern ecclesiology exhibits two unfortunate tendencies: it describes the church in ideal terms, rather than directly addressing the problems of its everyday, sinful activity; and it undermines the distinctiveness of the church and its way of life. The book analyzes the impact of pluralism and inclusivism upon ecclesiology, and draws upon Balthasar's theodramatic theory, MacIntyre's theory of traditional inquiry, postmodern critiques of humanism, and postmodern ethnography to develop a more flexible and concrete ecclesiology that can better address the practical and pastoral needs of the church. This alternative ecclesiology strongly affirms the need for the church to debate with those who challenge its claims and their embodiment, both from within and externally. The book concludes by discussing how the church may construct its own theological forms of historical, sociological and ethnographic analysis of both the church and society.
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Rigid Local Systems

Rigid Local Systems

Nicholas M. Katz

Princeton University Press
1995
pokkari
Riemann introduced the concept of a "local system" on P1-{a finite set of points} nearly 140 years ago. His idea was to study nth order linear differential equations by studying the rank n local systems (of local holomorphic solutions) to which they gave rise. His first application was to study the classical Gauss hypergeometric function, which he did by studying rank-two local systems on P1- {0,1,infinity}. His investigation was successful, largely because any such (irreducible) local system is rigid in the sense that it is globally determined as soon as one knows separately each of its local monodromies. It became clear that luck played a role in Riemann's success: most local systems are not rigid. Yet many classical functions are solutions of differential equations whose local systems are rigid, including both of the standard nth order generalizations of the hypergeometric function, n F n-1's, and the Pochhammer hypergeometric functions. This book is devoted to constructing all (irreducible) rigid local systems on P1-{a finite set of points} and recognizing which collections of independently given local monodromies arise as the local monodromies of irreducible rigid local systems. Although the problems addressed here go back to Riemann, and seem to be problems in complex analysis, their solutions depend essentially on a great deal of very recent arithmetic algebraic geometry, including Grothendieck's etale cohomology theory, Deligne's proof of his far-reaching generalization of the original Weil Conjectures, the theory of perverse sheaves, and Laumon's work on the l-adic Fourier Transform.
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Arithmetic Moduli of Elliptic Curves

Arithmetic Moduli of Elliptic Curves

Nicholas M. Katz; Barry Mazur

Princeton University Press
1985
pokkari
This work is a comprehensive treatment of recent developments in the study of elliptic curves and their moduli spaces. The arithmetic study of the moduli spaces began with Jacobi's "Fundamenta Nova" in 1829, and the modern theory was erected by Eichler-Shimura, Igusa, and Deligne-Rapoport. In the past decade mathematicians have made further substantial progress in the field. This book gives a complete account of that progress, including not only the work of the authors, but also that of Deligne and Drinfeld.
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Gauss Sums, Kloosterman Sums, and Monodromy Groups

Gauss Sums, Kloosterman Sums, and Monodromy Groups

Nicholas M. Katz

Princeton University Press
1988
pokkari
The study of exponential sums over finite fields, begun by Gauss nearly two centuries ago, has been completely transformed in recent years by advances in algebraic geometry, culminating in Deligne's work on the Weil Conjectures. It now appears as a very attractive mixture of algebraic geometry, representation theory, and the sheaf-theoretic incarnations of such standard constructions of classical analysis as convolution and Fourier transform. The book is simultaneously an account of some of these ideas, techniques, and results, and an account of their application to concrete equidistribution questions concerning Kloosterman sums and Gauss sums.
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Exponential Sums and Differential Equations

Exponential Sums and Differential Equations

Nicholas M. Katz

Princeton University Press
1990
pokkari
This book is concerned with two areas of mathematics, at first sight disjoint, and with some of the analogies and interactions between them. These areas are the theory of linear differential equations in one complex variable with polynomial coefficients, and the theory of one parameter families of exponential sums over finite fields. After reviewing some results from representation theory, the book discusses results about differential equations and their differential galois groups (G) and one-parameter families of exponential sums and their geometric monodromy groups (G). The final part of the book is devoted to comparison theorems relating G and G of suitably "corresponding" situations, which provide a systematic explanation of the remarkable "coincidences" found "by hand" in the hypergeometric case.
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Twisted L-Functions and Monodromy

Twisted L-Functions and Monodromy

Nicholas M. Katz

Princeton University Press
2002
pokkari
For hundreds of years, the study of elliptic curves has played a central role in mathematics. The past century in particular has seen huge progress in this study, from Mordell's theorem in 1922 to the work of Wiles and Taylor-Wiles in 1994. Nonetheless, there remain many fundamental questions where we do not even know what sort of answers to expect. This book explores two of them: What is the average rank of elliptic curves, and how does the rank vary in various kinds of families of elliptic curves? Nicholas Katz answers these questions for families of "big" twists of elliptic curves in the function field case (with a growing constant field). The monodromy-theoretic methods he develops turn out to apply, still in the function field case, equally well to families of big twists of objects of all sorts, not just to elliptic curves. The leisurely, lucid introduction gives the reader a clear picture of what is known and what is unknown at present, and situates the problems solved in this book within the broader context of the overall study of elliptic curves. The book's technical core makes use of, and explains, various advanced topics ranging from recent results in finite group theory to the machinery of l-adic cohomology and monodromy. Twisted L-Functions and Monodromy is essential reading for anyone interested in number theory and algebraic geometry.
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Moments, Monodromy, and Perversity

Moments, Monodromy, and Perversity

Nicholas M. Katz

Princeton University Press
2005
pokkari
It is now some thirty years since Deligne first proved his general equidistribution theorem, thus establishing the fundamental result governing the statistical properties of suitably "pure" algebro-geometric families of character sums over finite fields (and of their associated L-functions). Roughly speaking, Deligne showed that any such family obeys a "generalized Sato-Tate law," and that figuring out which generalized Sato-Tate law applies to a given family amounts essentially to computing a certain complex semisimple (not necessarily connected) algebraic group, the "geometric monodromy group" attached to that family. Up to now, nearly all techniques for determining geometric monodromy groups have relied, at least in part, on local information. In Moments, Monodromy, and Perversity, Nicholas Katz develops new techniques, which are resolutely global in nature. They are based on two vital ingredients, neither of which existed at the time of Deligne's original work on the subject. The first is the theory of perverse sheaves, pioneered by Goresky and MacPherson in the topological setting and then brilliantly transposed to algebraic geometry by Beilinson, Bernstein, Deligne, and Gabber. The second is Larsen's Alternative, which very nearly characterizes classical groups by their fourth moments. These new techniques, which are of great interest in their own right, are first developed and then used to calculate the geometric monodromy groups attached to some quite specific universal families of (L-functions attached to) character sums over finite fields.
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Convolution and Equidistribution

Convolution and Equidistribution

Nicholas M. Katz

Princeton University Press
2012
sidottu
Convolution and Equidistribution explores an important aspect of number theory--the theory of exponential sums over finite fields and their Mellin transforms--from a new, categorical point of view. The book presents fundamentally important results and a plethora of examples, opening up new directions in the subject. The finite-field Mellin transform (of a function on the multiplicative group of a finite field) is defined by summing that function against variable multiplicative characters. The basic question considered in the book is how the values of the Mellin transform are distributed (in a probabilistic sense), in cases where the input function is suitably algebro-geometric. This question is answered by the book's main theorem, using a mixture of geometric, categorical, and group-theoretic methods. By providing a new framework for studying Mellin transforms over finite fields, this book opens up a new way for researchers to further explore the subject.
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