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manuais MATLAB SIGNAL PROCESSING BLOCKSET 7

Manuais de instruções e guias do utilizador para Software MATLAB SIGNAL PROCESSING BLOCKSET 7.
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Matlab SIGNAL PROCESSING BLOCKSET 7 Guia do Utilizador (738 páginas)


Marca: Matlab | Categoria: Software | Tamanho: 6.45 MB |

 

Índice

Blockset

1

How to Contact The MathWorks:

2

Contents

3

Working with Signals

4

DSP Function Reference

10

Introduction

11

1 Introduction

12

Welcome to the DSP Blockset

12

What Is the DSP Blockset?

13

Frame-Based Operations

13

Matrix Support

14

Statistical Operations

15

Linear Algebra

15

Parametric Estimation

15

Real-Time Code Generation

15

What Is in the DSP Blockset?

16

Installation

17

How to Use This Guide

19

Signal Dimension Nomenclature

20

Sampling Nomenclature

21

R12 Related Products

23

DSP Blockset

25

The Simulink Environment

27

Simulink on PC Platforms

27

Simulink on UNIX Platforms

28

The Simulink Libraries

29

Model Definition

29

parameters. They also both

31

Model Simulation

32

0.1 for Time

33

[1 5] or

33

Learning More About Simulink

34

Fixed-step option in the

35

Using dspstartup.m

36

Customizing dspstartup.m

36

Performance-Related Settings

37

Simulink and the DSP Blockset

38

Parameters

38

Miscellaneous Settings

39

Signal Concepts

43

Source Blocks

49

Nonsource Blocks

50

Error: Continuous sample

50

Multichannel Signals

51

Accelerating Simulations

55

Sample Rates and Frame Rates

57

0, as explained in

58

Red = fastest sample rate

59

Direct Rate Conversion

61

Sample time and Samples per

63

Changing Frame Status

71

Creating Signals

73

•Sample time

77

Constructing Signals

82

Number of inputs = 2

85

Signal = 5*ones(10,1)

87

Initial

93

Signal = randn(3,2,10)

95

Select = Rows

95

- Starting column index = 1

96

3 Working with Signals

100

Deconstructing Signals

101

Importing Signals

102

Importing WAV Files

111

Exporting Signals

112

Using the To Workspace Block

116

Stereo check box. See the

119

Viewing Signals

120

Example: Displaying Matrices

123

= 0:pi/64:pi

124

•Ending column offset = 1

124

Delay and Latency

125

Reducing Computational Delay

125

Zero Algorithmic Delay

127

Basic Algorithmic Delay

129

Predicting Tasking Latency

132

Type = Fixed-step

135

Mode = SingleTasking

135

DSP Operations

137

4 DSP Operations

138

Overview

138

Filters

139

Multirate Filters

145

Transforms

146

Example: Using the FFT Block

146

Example: Using the IFFT Block

148

Power Spectrum Estimation

151

Example: LU Solver

153

Example: LU Inverse

155

Statistics

157

Example: Sliding Windows

158

Running Operations

159

DSP Blockset Demos Overview

160

Communications Demos

161

Filtering Demos

161

DSP Block Reference

163

5 DSP Block Reference

164

About Tunable Parameters

165

About Supported Data Types

165

Block Library List

171

Analytic Signal IDCT

179

Complex Cepstrum IFFT

179

DCT Real Cepstrum

179

Analog Filter Design

180

Supported

183

Data Types

183

See Also

183

Analytic Signal

184

Autocorrelation

186

Dialog Box

187

Autocorrelation LPC

188

Backward Substitution

192

Biquadratic Filter

194

Sample-Based Operation

198

Sample-based input

199

Frame-based output

199

Frame-Based Operation

200

Latency Zero Latency

201

Nonzero Latency

202

Burg AR Estimator

205

Burg Method

207

Check Signal Attributes

211

Library DSP Sources

218

These diagrams apply

220

Initial frequency (Hertz), f

221

Unidirectional

221

Sweep time, T

221

Bidirectional

221

Sweep time, 2

221

Block Computation Methods

222

Quadratic, or Logarithmic

224

1 second), the Target

226

Sweep time (1.5 seconds)

229

Target frequency parameter

230

AMPLITUDE

231

Cholesky Factorization

235

Cholesky Inverse

237

Cholesky Solver

239

Complex Cepstrum

241

Complex Exponential

243

Constant Diagonal Matrix

244

parameter

246

Constant Ramp

247

Contiguous Copy

248

Convert 1-D to 2-D

250

Convert 2-D to 1-D

252

∗) as a guide to wiring

253

∗ symbol

253

Convolution

257

Correlation

259

5Counter

261

Free-Running Operation

263

Covariance AR Estimator

268

Covariance Method

270

Create Diagonal Matrix

272

Cumulative Sum

273

Power Inputs

275

Voltage Inputs

275

Library Transforms

279

Delay Line

281

5Detrend

285

Difference

286

Digital Filter Design

288

Initial Conditions

292

Discrete Impulse

295

Output Sequence (K=4)

298

Downsample

299

) appears in the output as

303

DSP Constant

305

5DSP Constant

305

Dyadic Analysis Filter Bank

308

Dyadic Synthesis Filter Bank

316

Edge Detector

323

Event-Count Comparator

325

Extract Diagonal

327

Extract Triangular Matrix

328

Valid Block Inputs

331

Dimension Along

331

Which Block

331

Computes DFT

331

Twiddle factor computation

335

Parameter Setting

335

Sine and Cosine Computation

335

Effect on Block Performance

335

Speed 3N/4 1536 bytes

336

Memory N/4 + 1 516 bytes

336

Look under mask. Look under

337

Filter Realization Wizard

340

5Filter Realization Wizard

340

Fixed-Point Options

341

Example 1: Direct Form II

342

Example 3: Nth Order Sections

344

Example 4: ARMA Lattice

345

FIR Decimation

350

Examples Example 1

353

FIR Interpolation

357

FIR Rate Conversion

364

Forward Substitution

370

Frame Status Conversion

372

From Wave Device

374

5From Wave Device

374

Buffering

375

From Wave File

379

Histogram

381

Running Operation

382

Identity Matrix

387

Skip normaliza

391

Conjugate Symmetric Input

392

Inputs in Bit-Reversed Order

393

Inherit Complexity

396

Integer Delay

398

Delay: [2 0 5]

404

Initial conditions: 0

404

Kalman Adaptive Filter

406

LDL Factorization

411

LDL Inverse

414

LDL Solver

416

Least Squares Polynomial Fit

418

Levinson-Durbin

421

Applications

422

LMS Adaptive Filter

425

LU Factorization

429

LU Inverse

431

LU Solver

432

Magnitude FFT

434

Matrix 1-Norm

437

Matrix Multiply

439

Matrix Product

441

Matrix Scaling

443

Matrix Square

445

Matrix Sum

447

Matrix Viewer

449

Library Statistics

455

Value Mode

455

Index Mode

455

Value and Index Mode

456

Running Mode

456

Basic Operation

460

Modified Covariance Method

473

Multiphase Clock

476

Multiport Selector

479

5Multiport Selector

479

N-Sample Enable

482

N-Sample Switch

484

5N-Sample Switch

484

Normalization

486

Overlap-Add FFT Filter

488

Overlap-Save FFT Filter

491

Library Signal Operations

494

Permute Matrix

496

5Permute Matrix

496

Polynomial Evaluation

500

Polynomial Stability Test

502

Pseudoinverse

504

QR Factorization

506

QR Solver

508

Register size parameter, and

510

Clear input check box)

510

Example 2

512

Random Source

515

Sample Period

518

Real Cepstrum

522

Reciprocal Condition

524

Maintain input frame rate

527

Initial condition

528

RLS Adaptive Filter

532

Sample and Hold

540

Short-Time FFT

542

Signal From Workspace

545

Signal To Workspace

549

Output Dimension Summary

550

Sine Wave

555

Singular Value Decomposition

562

Spectrum Scope

566

Standard Deviation

575

Submatrix

579

N/2 by the

581

•Starting column offset = 1

582

SVD Solver

587

Time Scope

589

5Time Scope

589

Library DSP Sinks

589

Filter Type

590

Filter Update Rate

592

Time-Varying Lattice Filter

595

Toeplitz

599

5Toeplitz

599

To Wave Device

601

5To Wave Device

601

To Wave File

606

5To Wave File

606

Transpose

608

Triggered Delay Line

610

Trigger Event

613

Initial and Final Conditions

613

Triggered To Workspace

617

5Triggered To Workspace

617

Unbuffer

620

Uniform Decoder

623

Uniform Encoder

627

The Two Unwrap Modes

632

Tolerance parameter)

634

Tolerance parameter = π

634

Unwrap Method

636

Definition of Phase Unwrap

636

Method” on page 5-479

637

0 pi 2pi 3pi 4pi 5pi 6pi

638

Upsample

641

Variable Fractional Delay

648

Interpolation Modes

649

Variable Integer Delay

653

Variable Selector

661

5Variable Selector

661

Variance

664

Vector Scope

668

Display Properties

672

Axis Properties

673

Line Properties

675

Scope Window

678

Display Properties Dialog Box

681

Line Properties Dialog Box

684

Wavelet Analysis

686

Filter Coefficients

687

Tree Structure

687

Wavelet Synthesis

692

Window Function

698

Window Sampling

699

Window Type

699

Yule-Walker AR Estimator

703

Yule-Walker Method

706

Zero Pad

709

6 DSP Function Reference

713

Syntax dsp_links

714

Syntax dsplib

715

6dspstartup

716

Syntax dspstartup

716

Syntax liblinks

718

Numerics

720

RTWOptions parameter 2-15

733

SaveOutput parameter 2-13

733

SaveTime parameter 2-13

733

Solver parameter 2-15

735

StopTime parameter 2-15

735




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