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Fixed Point Signal Processing

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Fixed Point Signal Processing

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Author : Wayne Padgett
language : en
Publisher: Springer Nature
Release Date : 2022-06-01

Fixed Point Signal Processing written by Wayne Padgett and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-01 with Technology & Engineering categories.

This book is intended to fill the gap between the ""ideal precision"" digital signal processing (DSP) that is widely taught, and the limited precision implementation skills that are commonly required in fixed-point processors and field programmable gate arrays (FPGAs). These skills are often neglected at the university level, particularly for undergraduates. We have attempted to create a resource both for a DSP elective course and for the practicing engineer with a need to understand fixed-point implementation. Although we assume a background in DSP, Chapter 2 contains a review of basic theory and Chapter 3 reviews random processes to support the noise model of quantization error. Chapter 4 details the binary arithmetic that underlies fixed-point processors and then introduces fractional format for binary numbers. Chapter 5 covers the noise model for quantization error and the effects of coefficient quantization in filters. Because of the numerical sensitivity of IIR filters, they are used extensively as an example system in both Chapters 5 and 6. Fortunately, the principles of dealing with limited precision can be applied to a wide variety of numerically sensitive systems, not just IIR filters. Chapter 6 discusses the problems of product roundoff error and various methods of scaling to avoid overflow. Chapter 7 discusses limit cycle effects and a few common methods for minimizing them. There are a number of simple exercises integrated into the text to allow you to test your understanding. Answers to the exercises are included in the footnotes. A number of MATLAB examples are provided in the text. They generally assume access to the Fixed-Point Toolbox. If you lack access to this software, consider either purchasing or requesting an evaluation license from The Mathworks. The code listed in the text and other helpful MATLAB code is also available at http://www.morganclaypool.com/page/padgett and http://www.rose-hulman.edu/padgett/fpsp. You will also find MATLAB exercises designed to demonstrate each of the four types of error discussed in Chapters 5 and 6. Simulink examples are also provided on the web site. Table of Contents: Getting Started / DSP Concepts / Random Processes and Noise / Fixed Point Numbers / Quantization Effects: Data and Coefficients / Quantization Effects - Round-Off Noise and Overflow / Limit Cycles

Fast Simulation Of Fixed Point Digital Signal Processing Systems

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Author : Holger Keding
language : en
Publisher:
Release Date : 2003

Fast Simulation Of Fixed Point Digital Signal Processing Systems written by Holger Keding and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.

New Data Formats For Dsp Applications

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Author : Manuel Richey
language : en
Publisher: Wea Valley Publishing
Release Date : 2008-12

New Data Formats For Dsp Applications written by Manuel Richey and has been published by Wea Valley Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12 with categories.

An Optimization Framework For Fixed Point Digital Signal Processing

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Author : Yuet Ming Lam
language : en
Publisher:
Release Date : 2003

An Optimization Framework For Fixed Point Digital Signal Processing written by Yuet Ming Lam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Signal processing categories.

Signal Processing In Matlab Transforms Spectral Analysis And Fixed Point Design

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Author : G. Peck
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2017-12-22

Signal Processing In Matlab Transforms Spectral Analysis And Fixed Point Design written by G. Peck and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-22 with categories.

Spectral analysis is the process of estimating the power spectrum (PS) of a signal from its time-domain representation. Spectral density characterizes the frequency content of a signal or a stochastic process. Intuitively, the spectrum decomposes the signal or the stochastic process into the different frequencies, and identifies periodicities. The most commonly used instrument for performing spectral analysis is the spectrum analyzer. Spectral analysis is done based on the nonparametric methods and the parametric methods. Nonparametric methods are based on dividing the time-domain data into segments, applying Fourier transform on each segment, computing the squaredmagnitudeof the transform, and summing and averaging the transform. Nonparametric methods such as modified periodogram, Bartlett, Welch, and the Blackman-Tukey methods, are a variation of this approach. To model fixed-point signal processing algorithms and analyze the effects of quantization on system behavior and performance, you can use the DSP System Toolbox and Fixed-Point Designer functionality. Perform design tradeoff analyses and optimizations on these algorithms by simulating them with different word lengths, scaling, overflow handling, and rounding method choices before you commit to hardware. You can design floating-point filters and convert the filters into fixed-point using the Fixed-Point Designer.

Real Time Digital Signal Processing

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Author : Sen M. Kuo
language : en
Publisher: John Wiley & Sons
Release Date : 2006-05-01

Real Time Digital Signal Processing written by Sen M. Kuo and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-01 with Technology & Engineering categories.

Real-time Digital Signal Processing: Implementations and Applications has been completely updated and revised for the 2nd edition and remains the only book on DSP to provide an overview of DSP theory and programming with hands-on experiments using MATLAB, C and the newest fixed-point processors from Texas Instruments (TI).

Real Time Digital Signal Processing

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Author : Sen M. Kuo
language : en
Publisher: John Wiley & Sons
Release Date : 2013-08-05

Combines both the DSP principles and real-time implementations and applications, and now updated with the new eZdsp USB Stick, which is very low cost, portable and widely employed at many DSP labs. Real-Time Digital Signal Processing introduces fundamental digital signal processing (DSP) principles and will be updated to include the latest DSP applications, introduce new software development tools and adjust the software design process to reflect the latest advances in the field. In the 3rd edition of the book, the key aspect of hands-on experiments will be enhanced to make the DSP principles more interesting and directly interact with the real-world applications. All of the programs will be carefully updated using the most recent version of software development tools and the new TMS320VC5505 eZdsp USB Stick for real-time experiments. Due to its lower cost and portability, the new software and hardware tools are now widely used in university labs and in commercial industrial companies to replace the older and more expensive generation. The new edition will have a renewed focus on real-time applications and will offer step-by-step hands-on experiments for a complete design cycle starting from floating-point C language program to fixed-point C implementation, code optimization using INTRINSICS, and mixed C-and-assembly programming on fixed-point DSP processors. This new methodology enables readers to concentrate on learning DSP fundamentals and innovative applications by relaxing the intensive programming efforts, namely, the traditional DSP assembly coding efforts. The book is organized into two parts; Part One introduces the digital signal processing principles and theories, and Part Two focuses on practical applications. The topics for the applications are the extensions of the theories in Part One with an emphasis placed on the hands-on experiments, systematic design and implementation approaches. The applications provided in the book are carefully chosen to reflect current advances of DSP that are of most relevance for the intended readership. Combines both the DSP principles and real-time implementations and applications using the new eZdsp USB Stick, which is very low cost, portable and widely employed at many DSP labs is now used in the new edition Places renewed emphasis on C-code experiments and reduces the exercises using assembly coding; effective use of C programming, fixed-point C code and INTRINSICS will become the main focus of the new edition. Updates to application areas to reflect latest advances such as speech coding techniques used for next generation networks (NGN), audio coding with surrounding sound, wideband speech codec (ITU G.722.2 Standard), fingerprint for image processing, and biomedical signal processing examples. Contains new addition of several projects that can be used as semester projects; as well as new many new real-time experiments using TI’s binary libraries – the experiments are prepared with flexible interface and modular for readers to adapt and modify to create other useful applications from the provided basic programs. Consists of more MATLAB experiments, such as filter design, algorithm evaluation, proto-typing for C-code architecture, and simulations to aid readers to learn DSP fundamentals. Includes supplementary material of program and data files for examples, applications, and experiments hosted on a companion website. A valuable resource for Postgraduate students enrolled on DSP courses focused on DSP implementation & applications as well as Senior undergraduates studying DSP; engineers and programmers who need to learn and use DSP principles and development tools for their projects.

Digital Signal Processing World Class Designs

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Author : Kenton Williston
language : en
Publisher: Newnes
Release Date : 2009-03-18

Digital Signal Processing World Class Designs written by Kenton Williston and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-18 with Technology & Engineering categories.

All the design and development inspiration and direction an digital engineer needs in one blockbuster book! Kenton Williston, author, columnist, and editor of DSP DesignLine has selected the very best digital signal processing design material from the Newnes portfolio and has compiled it into this volume. The result is a book covering the gamut of DSP design'from design fundamentals to optimized multimedia techniques'with a strong pragmatic emphasis. In addition to specific design techniques and practices, this book also discusses various approaches to solving DSP design problems and how to successfully apply theory to actual design tasks. The material has been selected for its timelessness as well as for its relevance to contemporary embedded design issues. CONTENTS:Chapter 1 ADCs, DACs, and Sampling TheoryChapter 2 Digital FiltersChapter 3 Frequency Domain ProcessingChapter 4 Audio CodingChapter 5 Video ProcessingChapter 6 Modulation Chapter 7 DSP Hardware OptionsChapter 8 DSP Processors and Fixed-Point ArithmeticChapter 9 Code Optimization and Resource PartitioningChapter 10 Testing and Debugging DSP Systems Hand-picked content selected by Kenton Williston, Editor of DSP DesignLine Proven best design practices for image, audio, and video processing Case histories and design examples get you off and running on your current project

Automated Fixed Point Analysis And Bit Width Selection In Digital Signal Processing Circuits Using Ptolemy

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Author : Derrick S. Gibelyou
language : en
Publisher:
Release Date : 2011

Automated Fixed Point Analysis And Bit Width Selection In Digital Signal Processing Circuits Using Ptolemy written by Derrick S. Gibelyou and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

When designing custom hardware to implement signal processing algorithms, it is important to select bitwidths that meet the minimum error requirements while minimizing implementation area. Larger bitwidths reduce error, but increase area, while selecting smaller bitwidths does the opposite.

Discrete Time Signal Processing

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Author : Darrell Williamson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Discrete Time Signal Processing written by Darrell Williamson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.

This comprehensive and up-to-date book focuses on an algebraic approach to the analysis and design of discrete-time signal processors, including material applicable to numeric and symbolic computation programs such as MATLAB. Written with clarity, it contains the latest detailed research results.

Fixed Point Signal Processing

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