Senin, 04 Agustus 2014

[Q696.Ebook] Download Ebook Multirate Signal Processing for Communication Systems, by Fredric J. Harris

Download Ebook Multirate Signal Processing for Communication Systems, by Fredric J. Harris

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Multirate Signal Processing for Communication Systems, by Fredric J. Harris

Multirate Signal Processing for Communication Systems, by Fredric J. Harris



Multirate Signal Processing for Communication Systems, by Fredric J. Harris

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Multirate Signal Processing for Communication Systems, by Fredric J. Harris

This book provides the communications engineer involved in the physical layer of communications systems, the signal processing techniques and design tools needed to develop efficient algorithms for the design of various systems. These sytems inlcude satellite modems, cable modems, wire-line modems, cell-phones, various radios, multi-channel receivers, audio encoders, surveilance receivers, laboratory instruments, and various sonar and radar systems. The emphasis woven through the book material is that of intuitive understanding obtained by the liberal use of figures and examples. The book contains examples of all these types of systems. The book also will contain MATLAB script files that implement the examples as well as design tools for filters similar to the examples.

  • Sales Rank: #2101834 in Books
  • Published on: 2004-05-24
  • Original language: English
  • Number of items: 1
  • Dimensions: 9.48" h x 1.33" w x 7.42" l, 2.51 pounds
  • Binding: Hardcover
  • 496 pages

From the Back Cover

Multirate Signal Processing for Communication Systems: Current Practice and Next Generation Techniques fredric j harris

Multirate signal processing can reduce costs and improve performance in applications ranging from laboratory instruments to cable modems, wireless systems, and consumer entertainment products. This book offers the first systematic, clear, and intuitive introduction to multirate signal processing for working engineers and system designers.

The author uses extensive examples and figures to illuminate a wide range of multirate techniques, from basic resampling to leading-edge cascade and multiple-stage filter structures. Along the way, he draws on extensive research and consulting experience to introduce processing itricksi shown to maximize performance and efficiency.

Coverage includes:

  • Effective sampling and resampling in time and frequency domains
  • Relationships between IIR Filter specifications and filter length (taps)
  • Window design and equal-ripple (Remez) design techniques
  • Square-Root Nyquist and Half Band Filters, including new design enhancements
  • Polyphase IIR Filters: up-sampling, down-sampling, and cascade up-down sampling
  • Polyphase interpolators and filters that perform arbitrary sample rate change
  • Dyadic Half Band Filters, including quadrature mirror and IIR Filters
  • Polyphase Channelizers, including M-path modulators, demodulator channel banks, simultaneous interpolation, and channel bank formation
  • Comprehensive coverage of recursive all-pass filtersoa topic never before covered in this detail
  • Comparisons with traditional DSP design techniques
  • Extensive applications coverage throughout

Excerpt. © Reprinted by permission. All rights reserved.
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D igitalsignal processing (DSP) has become a core body of material in undergraduateelectrical engineering programs. Several threads branch from this core toenable related disciplines, such as communication systems, source coding,multimedia entertainment, radar, sonar, medical and laboratory instruments, andothers. Multirate signal processing isone of these major threads. Multirate signal processing is the body of materialthat deals with concepts, algorithms, and architectures that embed sample ratechanges at one or more sites in the signal flow path.

There are two reasons to include multirate signal processing in thesolution of a particular signal-processing task. The first is reduction in costof the implementation. The second is enhanced performance of theimplementation. We might also include a third, personal incentive, which is,that it is fun to apply clever concepts to solve problems. We can hardlycomplete a multirate DSP design without a smile and the accompanying thought,“Boy, this is neat!”

Traditional concepts developed in the DSP world are the same asthose developed in the analog-processing world. In both domains we learn anduse concepts such as convolution, Fourier transforms, transfer functions, polesand zeros, and others. When required to distinguish the two approaches we usethe qualifier “discrete” when discussing the DSP version of thesefundamental concepts. The reason the two approaches are so similar is that theyboth emphasize linear time invariant (LTI ) systems for which the toolsof analysis and synthesis are well developed.

Multirate signal processing brings to the designer an importanttool not available to the traditional DSP designer, who to the first orderapplies DSP techniques to emulate analog systems. We note that the interfacebetween the two versions of the world, continuous and discrete, is the samplingprocess. In the traditional DSP perspective, the sample rate is selected tosatisfy the Nyquist criterion but is otherwise incidental to the problem. Inmultirate signal processing, sele...

Most helpful customer reviews

1 of 1 people found the following review helpful.
One of the best DSP books on the planet
By David G Cason
One of the best DSP books on the planet. fred is a down to earth practitioner of the art of DSP. He's been in the trenches and 'gets it' when it comes to what is possible and what is practical. This is now one of my most cherished texts that would have to pry from my cold dead hands to take from me.

4 of 6 people found the following review helpful.
A DSP classic!
By Kenneth C. Crandall
Every decade or so a book comes out that distills a lot if scattered knowledge on an important subject into one concise and comprehensible tutorial. This is such a book. It introduces new ideas on better ways to skin the proverbial DSP cat!

This book clearly explains sampling rate switching architectures and how they can greatly reduce processing cycles and simplify digital and analog hardware. I've used a few of these tricks in the past, but what an eye opener to see so many great examples of sneaky DSP.

Fred Harris makes it clear with vivid examples and MatLab illustrations that using multi-rate signal processing moves you into a whole new class of implementations. No longer does one ask, "What sampling rate do I need to satisfy Nyquist? The question is now, "What sampling rate do I need in each section to optimize the design? This book helps the DSP practitioner answer that question. The sampling rate degree of freedom liberates! Use it and prosper!

4 of 6 people found the following review helpful.
The Reference Standard for Multirate Processing
By R. A Benson
I wish this work were available when I was implementing multi-rate, multi stage filters with MSI integrated circuits and a wire wrap gun! But we are now in the FPGA world, and professor harris's work is in tune with today's hardware implementations. His attention to implementation efficiency with realistic comparisons is valuable. My only minor "ding" would be that some of the MATLAB code is not well documented and the results take some effort to interpret. That said, having the MATLAB code is a BIG plus. Even better would be to have Simulink models of the filters.

See all 17 customer reviews...

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