Understanding Digital Signal
Processing (2nd Edition) by Richard
G. Lyons
The Best Book For Scientist And Engineers Who Use Matlab To Process Time-Series
Everyday
Amazon.coms top-selling DSP book for 5 straight years-now fully updated!
Real-world DSP solutions for working professionals! Understanding
Digital Signal Processing, Second Edition is quite simply the best way for
engineers, and other technical professionals, to master and apply DSP
techniques. Lyons has updated and expanded his best-selling first edition-
building on the exceptionally readable coverage that made it the favorite of
professionals worldwide. This book achieves the perfect balance
between theory and practice, making DSP accessible to beginners without
ever oversimplifying it. Comprehensive in scope and gentle in approach,
keeping the math at a tolerable level, this book helps readers thoroughly
grasp the basics and quickly move on to more sophisticated techniques.
This edition adds extensive new coverage of quadrature signals for digital

communications; recent improvements in digital filtering; and much more. It
also contains more than twice as many DSP Tips and Tricks… including
clever techniques even seasoned professionals may have overlooked.
Down-to-earth, intuitive, and example-rich, with detailed numerical
exercises
Stresses practical, day-to-day DSP implementations and problem-solving
All-new quadrature processing coverage includes easy-to-understand 3D
drawings
Extended coverage of IIR filters; plus frequency sampling, interpolated FIR
filters
New coverage of multirate systems; including both polyphase and
cascaded integrator-comb FIR filters
Coverage includes: periodic sampling, DFT, FFT, digital filters, discrete
Hilbert transforms, sample rate conversion, quantization, signal averaging,
and more
Personal Review: Understanding Digital Signal Processing (2nd
Edition) by Richard G. Lyons
I had seen the book "Understanding Digital Signal Processing" by Richard
G. Lyons advertised on the internet. I have also seen and read several
technical articles authored by Lyons scattered around the internet. I was
interested in the book but I didn't want to purchase it before I could thumb
through it and get an idea of the quality of its content. I paid a visit to the
well stocked library at Embry Riddle Aeronautical University and found it
sitting on the shelf in the signal processing section. I checked the book out
and had three weeks to read and evaluate it. I was not able to read the
entire book in the three week period but I read enough in about two weeks
to determine that it was a well written book so I ordered a copy from
Amazon.
Lyons states in the book's introduction "I've attempted to avoid the
traditional instructor-student relationship, but rather make reading this book
like talking to a friend while walking in the park". I believe Lyons has
achieved his goals in this respect.
In my grad and under grad days, in order to gain some understanding of
the subject at hand, I spent many an hour reading and then re-reading
course assigned engineering texts in an effort to fill in the many technical
blanks left by the authors. A large majority of these texts took a stuffed
shirt approach in what seemed to be a pompous attempt by the author to
demonstrate his intelligence. They rarely connected all the technical dots.
Now that I think about it, a bunch of the dots were missing too!

Attitudes like this seem to changing with modern day authors like Lyons.
He makes a noticeable effort to keep the material informative and
interesting. I really appreciate the fact that Lyons takes his time and
thoroughly explains each subject. He uses a lot of text to walk the reader
through each topic.
In his presentation he fills in the critical blanks and eliminates a great deal
of the classical stumbling blocks that usually led to student head
scratching, wall pounding , and dog kicking, which was a common reaction
to the older generation texts.
This is definitely a good book for engineering students who have just
begun their journey into the world of Digital Signal Processing. This is
definitely a good book for practicing engineers who feel the need to clear
up some of the gray areas in their DSP knowledge.
The title of the book "Understanding Digital Signal Processing" pretty much
lets the buyer know right from the start that the content of the book is
targeted at engineers with a beginning to intermediate knowledge of DSP.
This book is probably not suited for the engineering guru's with 20 or 30
years experience in the field of DSP. However, I bet there is some
information contained in Lyons work that will clear a few of the technical
cobwebs from even these people's heads.
Lyons starts off with a few chapters on the Discrete and Fast Fourier
Transform, and finite impulse response and infinite impulse response filters
just like most DSP texts. Then he departs from the normal course DSP
texts seem to pursue and he takes a step towards real world DSP
applications with chapters on quadrature signals, the discrete Hilbert
transform, sample rate conversion and signal averaging. He spends a
chapter on data formats and their corresponding attributes, which sounds
dull until the day you find yourself tasked to design a digital processor that
performs high speed digital computations. He then spends more than 100
pages on tips and tricks that are useful in many common signal processing
applications.
I received my copy of Lyons book from Amazon last week and am in the
process of reading the remainder of the book. When I am done this book
will occupy a prime space in my office book case, right at eye level, for an
easy grab when needed.
After having read much of the book, would I spend the money to purchase
it again if necessary? The answer is a definite yes. This is money well
spent.
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