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About This Book
. {. \- Q+ @6 o6 iThis is not a book about how to use LabVIEW or even a book on learning digital
F) _9 C3 s0 H. k8 E! J9 [signal processing (DSP). Instead it is more of a practical guide on how to enable
2 W: ]6 G. b* |# x' V& Y( |8 \- |LabVIEW to tackle some real-world DSP and communication problems. This9 U# V5 Q2 ^7 J9 N# G6 N4 U6 c
book assumes that the reader has a good grasp of many of the complex issues+ x& q9 s2 a; k
encountered in DSP and digital communications and also is at least skilled# u( h% ?0 t/ P. v3 F# V2 R7 J
enough in LabVIEW to build a VI. When necessary, the book will dive into the
( e- ^7 ^# j4 ?# |# `9 @heart of signal processing topics and their implications will be explored. Certain' [, F$ Y- J! n: x4 R- Q8 F
topics will be explained in enough detail so that the reader will know there is1 F3 P8 m& ] w+ G. R8 Q
no hand waving or mystery involved. This material is meant to bridge the gap5 G5 G: l9 `5 b9 i: `
between obtaining theoretical knowledge and actually exercising that knowledge.1 q Q1 _; r/ |3 U9 {
LabVIEW provides us with an excellent set of tools for examining all sorts$ G8 s/ `! }. O$ C4 O
of DSP and digital communication topics. Its graphical nature allows us to B: }; \ ?2 H4 n5 y" Y+ @+ O
quickly and efficiently get to the core of a communication problem without all
. c$ n- `* B/ `) U! h& ~% Wthe overhead that generally accompanies a digital communication system. This
6 e" s$ V' W( sbook will start out at the beginning of the DSP realm—sampling a signal. The
: f( j. h; s; H/ |2 D. V% aintermediate chapters will cover some basic building blocks and the final chapters
/ `" S! O6 j1 Y$ E! _5 L; Awill put it all together as a digital communication system.
) z* H& G3 M& m: fAlot of signal processing books start out describing what a discrete time
% v" Q( t& Z. Y$ `9 Psequence is, the advantages of DSP over analog methods, and the like. This8 s/ q, z6 e1 a4 e W" g8 O
book skips all that and assumes that you already know enough about DSP to
0 h+ S* j9 Q2 Xget started and you probably have some very good references regarding where
0 g" r5 h' \5 W5 a) P2 g4 ~to go when you do not understand something. Instead this book focuses on1 W e( o+ j- C! r L- E/ v
putting that DSP knowledge to work using LabVIEW. Also, at the end of each6 A% V6 G4 d3 s! \+ k |* a' b
chapter is a list of references for the specific topics covered in that chapter. Of
$ ^ h" M0 m: `course the reader is encouraged to look at those references for any concept that
; t5 Q) d& E4 r0 a, T# {is not quite clear. If your DSP is a little rusty, or if you are new to the topic, a
; c2 L2 T' o& bgood starting place would be to read Understanding Digital Signal Processing9 ~8 l% S* @6 H3 w
by Rick Lyons before moving to the more advanced texts such as Discrete-Time. g- Q N3 h+ o; S! S( ~6 t1 Q0 N
Signal Processing by Oppenheim and Schafer. The book by Lyons should give you
0 `5 X$ u# u6 F5 c) oa good intuitive feel for many complicated DSP subjects while the Oppenheim5 t) h5 L8 K5 @! ` i5 G" g4 \
and Schafer book will give you all the gory details on how and why.$ ]) ~7 h7 \6 m* {
.....# y$ ~ p9 G+ T' E5 Z
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发表于 2017-2-16 14:20
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