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Spectrum
  • Language: en
  • Pages: 64

Spectrum

  • Type: Book
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  • Published: 1992-09-01
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  • Publisher: Unknown

None

Fundamentals of Spread Spectrum Modulation
  • Language: en
  • Pages: 79

Fundamentals of Spread Spectrum Modulation

This lecture covers the fundamentals of spread spectrum modulation, which can be defined as any modulation technique that requires a transmission bandwidth much greater than the modulating signal bandwidth, independently of the bandwidth of the modulating signal. After reviewing basic digital modulation techniques, the principal forms of spread spectrum modulation are described. One of the most important components of a spread spectrum system is the spreading code, and several types and their characteristics are described. The most essential operation required at the receiver in a spread spectrum system is the code synchronization, which is usually broken down into the operations of acquisition and tracking. Means for performing these operations are discussed next. Finally, the performance of spread spectrum systems is of fundamental interest and the effect of jamming is considered, both without and with the use of forward error correction coding. The presentation ends with consideration of spread spectrum systems in the presence of other users.

Modern Spectrum Analysis of Time Series
  • Language: en
  • Pages: 416

Modern Spectrum Analysis of Time Series

  • Type: Book
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  • Published: 1995-10-25
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  • Publisher: CRC Press

Spectrum analysis can be considered as a topic in statistics as well as a topic in digital signal processing (DSP). This book takes a middle course by emphasizing the time series models and their impact on spectrum analysis. The text begins with elements of probability theory and goes on to introduce the theory of stationary stochastic processes. The depth of coverage is extensive. Many topics of concern to spectral characterization of Gaussian and non-Gaussian time series, scalar and vector time series are covered. A section is devoted to the emerging areas of non-stationary and cyclostationary time series. The book is organized more as a textbook than a reference book. Each chapter includes many examples to illustrate the concepts described. Several exercises are included at the end of each chapter. The level is appropriate for graduate and research students.

Spread Spectrum and CDMA
  • Language: en
  • Pages: 396

Spread Spectrum and CDMA

Spread spectrum and CDMA are cutting-edge technologies widely used in operational radar, navigation and telecommunication systems and play a pivotal role in the development of the forthcoming generations of systems and networks. This comprehensive resource presents the spread spectrum concept as a product of the advancements in wireless IT, shows how and when the classical problems of signal transmission/processing stimulate the application of spread spectrum, and clarifies the advantages of spread spectrum philosophy. Detailed coverage is provided of the tools and instruments for designing spread spectrum and CDMA signals answering why a designer will prefer one solution over another. The a...

Vibration Spectrum Analysis
  • Language: en
  • Pages: 331

Vibration Spectrum Analysis

Annotation Written in a clear, understandable style, this new edition of Vibration Spectrum Analysis includes new information on current instrumentation, as well as additional appendices, case histories and practice questions. Vibration analysts, predictive maintenance specialists, and field mechanics will find valuable information on using the latest techniques of spectrum analysis in solving problems and enhancing machine reliability in this key reference text. A book good for both engineers and non-engineers alike.

Response Spectrum Method in Seismic Analysis and Design of Structures
  • Language: en
  • Pages: 192

Response Spectrum Method in Seismic Analysis and Design of Structures

  • Type: Book
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  • Published: 1992-04-06
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  • Publisher: CRC Press

New developments in the response spectrum method have led to calculations in seismic stresses that are more accurate, and usually lower, than those obtained by conventional methods. This new textbook examines the wealth of information on the response spectrum method generated by the latest research and presents the background theory in simplified form. Applications of these methods is essential in the seismic design of critical structures, such as nuclear power plants and petroleum facilities. In new construction, the reduced seismic stresses will result in efficient and economic design. For facilities already built, these more accurate methods can be used where the facility is being reassessed for higher loads and in the calculation of margins. Written by an acknowledged expert in this and related fields, this volume is ideal as a graduate text for courses in structural and earthquake engineering. It is also an excellent reference for civil, structural, mechanical, and earthquake engineers.

Teaching Young Children with Autistic Spectrum Disorders to Learn
  • Language: en
  • Pages: 116

Teaching Young Children with Autistic Spectrum Disorders to Learn

This wide-ranging, well-illustrated book offers all kinds of tried and tested strategies to help young people with autistic spectrum disorders develop and learn. Designed to be a really practical guide for nursery nurses, teachers and support staff in mainstream schools, as well as parents, the guide focuses on both work and play. 'Every parent, teacher or teaching assistant who supports a child with autistic tendencies should have a copy of this book.' Fiona Jukes, Learning Support Assistant This wide-ranging, well-illustrated book offers all kinds of tried and tested strategies to help young people with autistic spectrum disorders develop and learn. Designed to be a really practical guide for nursery nurses, teachers and support staff in mainstream schools, as well as parents, the guide focuses on both work and play and includes helpful guidance on numeracy and literacy.

Helping Pupils with Autistic Spectrum Disorders to Learn
  • Language: en
  • Pages: 144

Helping Pupils with Autistic Spectrum Disorders to Learn

  • Type: Book
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  • Published: 2007-08-22
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  • Publisher: SAGE

'The reader can gain a good overall understanding of autism and the issues which arise in teaching and learning across the spectrum but can also focus on and apply sections of the book which are specific to his or her own situation. I feel that this book is relevant to all school staff involved in educational planning for children who have autistic spectrum disorders' - REACH `The reader will be left feeling challenged to rethink the learning experience of the child with ASD in their class, more clearly attuned to the child's voice and with an armful of ideas to try out in the classroom' - TES Website Are you looking for caring and creative ways to support pupils on the Autistic Spectrum? By...

Autism Spectrum Disorders
  • Language: en
  • Pages: 324

Autism Spectrum Disorders

  • Type: Book
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  • Published: 2010
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  • Publisher: ABC-CLIO

Presents a guide to autism spectrum disorders with infomration on its historical and cultural influences, controversies related to vaccines, treatment choices, and access to services.

Spectrum
  • Language: en
  • Pages: 398

Spectrum

  • Type: Book
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  • Published: 2005
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  • Publisher: Verso

The focus of Spectrum is the range of contemporary ideas that runs from conservative to liberal to radical conceptions of state and society, rarely considered in the same optic. It looks at the theories of major minds of the twentieth-century Right, including Carl Schmitt, Leo Strauss and Friedrich von Hayek; liberal philosophers such as John Rawls, Jurgen Habermas and Norberto Bobbio; and significant figures in the culture of the Left: the historians Edward Thompson, Robert Brenner and Eric Hobsbawm; the classicist Sebastiano Timpanaro; the sociologist Goran Therborn; the novelist Gabriel Garcia Marquez. The book concludes with some comparative observations on the two leading intellectual periodicals of the UK and USA, the London Review of Books and New York Review of Books; and a piece of family history.