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About This Book* u% T- W' {, {- x
This is not a book about how to use LabVIEW or even a book on learning digital5 N& v7 m/ B, R2 V! j" j
signal processing (DSP). Instead it is more of a practical guide on how to enable
! L H& l; m2 M6 gLabVIEW to tackle some real-world DSP and communication problems. This
' E) M6 r d8 w+ @ g3 v4 fbook assumes that the reader has a good grasp of many of the complex issues$ S( f. m4 M- }: u$ z
encountered in DSP and digital communications and also is at least skilled4 ]; w6 ]5 j% z! p* |/ r/ T
enough in LabVIEW to build a VI. When necessary, the book will dive into the- w+ V) k2 G* B1 f
heart of signal processing topics and their implications will be explored. Certain! l. N3 ~+ ^ ~- x5 v3 G" Q" H
topics will be explained in enough detail so that the reader will know there is$ v* J: K9 F# U
no hand waving or mystery involved. This material is meant to bridge the gap/ v( z) M, J0 C) \' y
between obtaining theoretical knowledge and actually exercising that knowledge.
. {/ k! C3 Y* O# y8 \ hLabVIEW provides us with an excellent set of tools for examining all sorts
2 c$ }! |9 H: u7 g8 m! xof DSP and digital communication topics. Its graphical nature allows us to p6 @, Q" @: z1 P
quickly and efficiently get to the core of a communication problem without all
$ O( l1 e, K! Rthe overhead that generally accompanies a digital communication system. This
, K0 ?& O- { U* E# nbook will start out at the beginning of the DSP realm—sampling a signal. The
4 ~9 M. b2 Y+ e% O, tintermediate chapters will cover some basic building blocks and the final chapters1 k: c5 p* n+ M0 q; I% l0 c
will put it all together as a digital communication system.' L' C5 z0 f1 p% H7 @3 b! ?
Alot of signal processing books start out describing what a discrete time
: i. `8 g) G" M# Osequence is, the advantages of DSP over analog methods, and the like. This
+ H' L0 q8 ` J2 b4 i3 \9 r+ dbook skips all that and assumes that you already know enough about DSP to
, R9 }5 b3 h0 T/ y( X+ yget started and you probably have some very good references regarding where' n8 U5 w+ ~, o7 K2 H0 U) a
to go when you do not understand something. Instead this book focuses on
) b: s4 u9 f# l9 z% ~, f0 f' b" [( |putting that DSP knowledge to work using LabVIEW. Also, at the end of each: F# X; A5 w' a' _
chapter is a list of references for the specific topics covered in that chapter. Of
R) u7 k: o6 Tcourse the reader is encouraged to look at those references for any concept that% B; u! t4 w, a l1 n. ? C
is not quite clear. If your DSP is a little rusty, or if you are new to the topic, a" @ ~: m- C& X( a/ Y A$ L
good starting place would be to read Understanding Digital Signal Processing p" i' J; h3 B* d) ?* [4 ] @$ |( e
by Rick Lyons before moving to the more advanced texts such as Discrete-Time1 z1 M# \+ p. d; z' X
Signal Processing by Oppenheim and Schafer. The book by Lyons should give you, l( d4 k$ G: q- G3 W
a good intuitive feel for many complicated DSP subjects while the Oppenheim
- s& ?4 l) K3 y7 J( ^and Schafer book will give you all the gory details on how and why.9 b9 n% F# T/ x' @+ D, ^
.....
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