Digital Signal Processing Contents

Half 1. Getting Began

• Chapter 1. Digital Communications and LabVIEW 
• Chapter 2. Getting a Signal into LabVIEW

Half 2. Constructing Blocks

• Chapter 3. Spectral Evaluation 
• Chapter 4. Digital Filters 
• Chapter 5. Multirate Signal Processing in LabVIEW 
• Chapter 6. Producing Indicators with LabVIEW

Half 3. Constructing a Communication System

• Chapter 7. Assembling the Items 
• Chapter 8. System Efficiency 
• Chapter 9. Optimizing LabVIEW Signal Processing

Preface to LabVIEW Digital Signal Processing and Digital Communications

This isn’t a e-book about find out how to use LabVIEW or perhaps a e-book on studying digital sign processing (DSP). As a substitute, it’s extra of a sensible information on find out how to allow LabVIEW to deal with some real-world DSP and communication issues.

This e-book assumes that the reader has grasp of most of the advanced points encountered in DSP and digital communications and is also at the very least expert sufficient in LabVIEW to construct a VI. When vital, the e-book will dive into the center of sign processing matters, and their implications might be explored.

Sure matters might be defined in sufficient element in order that the reader will know there isn’t any hand waving or thriller concerned. This materials is supposed to bridge the hole between acquiring theoretical information and truly exercising that information.

LabVIEW gives us with a superb set of instruments for analyzing all kinds of DSP and digital communication matters.

Its graphical nature permits us to shortly and effectively get to the core of a communication downside with out all of the overhead that typically accompanies a digital communication system. This e-book will begin out at first of the DSP realm sampling a sign.

The intermediate chapters will cowl some primary constructing blocks and the ultimate chapters will put all of it collectively as a digital communication system.

A variety of sign processing books begin out describing what a discrete-time sequence is, the benefits of DSP over analog strategies, and the like.

This e-book skips all that and assumes that you just already know sufficient about DSP to get began and you most likely have some excellent references concerning the place to go when you don’t perceive one thing.

As a substitute, this e-book focuses on placing that DSP information to work utilizing LabVIEW. Additionally, on the finish of every chapter is a listing of references for the precise matters coated in that chapter. In fact, the reader is inspired to have a look at these references for any idea that isn’t fairly clear.

In case your DSP is a bit rusty, or if you’re new to the subject, beginning place can be to learn Understanding Digital Signal Processing by Rick Lyons earlier than shifting to the extra superior texts reminiscent of Discrete-Time Signal Processing by Oppenheim and Schafer.

The e-book by Lyons ought to offer you intuitive really feel for a lot of difficult DSP topics whereas the Oppenheim and Schafer e-book offers you all of the gory particulars on how and why.

As with all topic, you possibly can examine DSP all day lengthy and not fairly perceive it till you truly put it into apply.

Hopefully, after working your approach by way of this e-book, you’ll not solely get higher at utilizing LabVIEW, however your sign processing expertise might be extra instinctive.

Most engineers and college students are conversant in Matlab as a result of it’s the most typical DSP simulation surroundings. However this e-book makes an attempt to point out that just about every thing that Matlab can do, LabVIEW can do exactly as simply (and maybe extra simply).

LabVIEW has two distinct areas the place it excels over Matlab: (1) its graphical nature—you possibly can have a look at what’s going on, not simply interpret phrases on a web page, and (2) its interface to exterior {hardware} and devices.

LabVIEW combines these traits with some very helpful built-in features to carry out all kinds of sign processing. The entire examples on this e-book are suitable with LabVIEW 7.0 specific analysis model.

This software program could also be downloaded freed from cost from the Nationwide Devices web site and the software program will run for 30 days. All references and built-in VIs are included within the 7.0 analysis model and aren’t assured to work on another model of LabVIEW.

The one exceptions to this would be the particular toolsets that Nationwide Devices ships with a few of their RF measurement {hardware}. These VIs is not going to be essential to experiment with any of the VIs on this e-book, however sure features could also be talked about for completeness.

Group of LabVIEW Digital Signal Processing and Digital Communications

This e-book tries to take the next strategy—start at first and construct sturdy fundamentals with every chapter constructing on the earlier ones.

Following that theme, the e-book is split into three elements: Getting Began, Constructing Blocks, and lastly, Constructing a Communication System.

On this case, the start might be, “Why LabVIEW?” Right here the e-book strikes slowly by way of Chapters 1 and 2 protecting the intricate particulars of truly buying a sign.

Chapter 3 explores the LabVIEW spectral processing instruments reminiscent of DFT and additionally touches on a few of the impairments related to DFT computation.

Chapter 4 reveals find out how to design digital filters in LabVIEW and Chapter 5 makes use of these filter design ideas within the context of multirate sampling.

Subsequent, some very helpful alerts are generated in Chapter 6, and we have a look at the mapping of bits to symbols for constructing a modulated waveform.

In Chapters 7 and 8 we construct and consider our digital communication system. Lastly, Chapter 9 reveals a number of strategies for optimizing the velocity of sign processing computations in LabVIEW.

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