电子电信工程专业英语 第2版PDF电子书下载

Part Ⅰ 1

Lesson 1 Periodic Signkals 1

1.1 Time-Domain Descriptions 1

1.2 Frequency-Domain Descriptions 3

1.3 Orthogonal Functions 4

1.4 The Fourier Series 7

词汇 11

Lesson 2 Aperiodic Signals 14

2.1 Introduction 14

2.2 The Exponential Form of the Fourier Series 14

2.3 The Fourier Transform 16

2.4 The Laplace Transform 26

词汇 31

Lesson 3 Sampled-Data Signals 33

3.1 Introduction 33

3.2 Mathematical Description Using the Dirac Function 33

3.3 Spectra of Sampled-Data Signals 36

3.4 The z-Transform 39

3.5 Discussion 47

词汇 49

Lesson 4 Random Signals 50

4.1 Introduction 50

4.2 Elements of Probability Theory 53

4.3 Amplitude Distributions and Moments 59

4.4 The Autocorrelation and Power Spectral Density Functions 62

4.5 Important Types of Random Signal 69

词汇 87

Lesson 5 Signals and Systems 89

5.1 Introduction 89

5.2 Basic Aspects of Linear Processing 90

5.3 Convolution,Correlation and Filtering 102

5.4 The Processing of Random Signals 105

5.5 Nonlinear Processing 111

词汇 113

Lesson 6 Modulation and Sampling 116

6.1 Introduction to Modulation 116

6.2 Signal Sampling and Reconstitution 118

6.3 Other Modulation Processes 125

词汇 133

Lesson 7 Filters 135

7.1 Introduction 135

7.2 General Aspects of Filter Performance 136

7.3 Analogue Filters 140

7.4 Digital Filters 143

词汇 151

Part Ⅱ 152

Lesson 8 Underwater Acoustic Signal Processing 152

8.1 Quantitative Description of Signal 152

8.2 Qualitative Description of the Sources of Noise 155

8.3 Comparison of Sonar,Radar,and Seismic Parameters 157

8.4 Target Strength and the Sonar Range Equation 161

8.5 Reflection and Scattering from Boundaries 163

8.6 Effects of an Inhomogeneous Medium 165

8.7 Criteria for Measuring the Success of Detection 166

8.8 Directional Arrays 168

词汇 169

Lesson 9 Underwater Acoustic Imaging 173

9.1 Introduction 173

9.2 Properties of Underwater Acoustic Imaging Systems 174

9.3 Targets and Environmental Requirements 176

9.4 Underwater Acoustic Imaging System Concepts 178

9.5 Examples of Various Acoustic Imaging Techniques and Systems 182

9.6 Summary 190

词汇 191

Lesson 10 Computer Technology 194

10.1 History of Computing 194

10.2 Organization of a Stored Program Digital Computer 198

词汇 208

Lesson 11 Images and Graphics 211

11.1 Basic Concepts of Images and Graphics 211

11.2 Computer Image Processing 217

词汇 231

Lesson 12 Communication Technology 233

12.1 Basic Knowledge of Communication 233

12.2 Introduction to Optical Fiber Communication 239

12.3 Satellite Communication 244

12.4 Data Communication and Mobile Communication 247

词汇 253

Lesson 13 Communication Networks 257

13.1 Principle for Communication Network 257

13.2 ISDN 261

13.3　ATM Networks 269

13.4 Information Network System 273

词汇 278

Part Ⅲ 281

Lesson 14 The Software Radio Architecture 281

14.1 Introduction 281

14.2 Software Radio Overview 286

14.3 Partitioning of the Channel Processing Stream 290

14.4 Estimating Resource Requirements 297

14.5 Heterogeneous Muhiprocessing Hardware 302

14.6 Open Architecture Software Tools Remain Problematic 304

14.7 Conclusions 305

词汇 307

Lesson 15 Smart Antenna Systems 308

15.1 Introduction 308

15.2 A Useful Analogy for Adaptive Smart Antennas 308

15.3 Antennas and Antenna Systems 309

15.4 What Is a Smart Antenna System? 315

15.5 The Goals of a Smart Antenna System 318

15.6 Signal Propagation:Multipath and Cochannel Interference 319

15.7 The Architecture of Smart Antenna Systems 324

15.8 Who Can Use Smart Antenna Technology? 330

词汇 331

Lesson 16 Bluetooth:Technology for Short-Range Wireless Approches 333

16.1 Introduction 333

16.2 Bluetooth Specifications 334

16.3 Radio Front End 337

16.4 Piconets and Scatternets 339

16.5 Piconet Channel 343

16.6 Putting the Pieces Together 349

16.7 Conclusion 350

词汇 351

Lesson 17 Next-Generation Wireless Communications Concepts and Technologies 353

17.1 Introduction 353

17.2 Ubiquitous Services and Paradigm Change 356

17.3 Smart Specturm and Dynamic Spectrum Assignment 359

17.4 Smart Resources:a Technological Vision 360

17.5 Adaptation 363

17.6 Software Radio and Smart Radio 368

17.7 Advanced Adaptive Waveforms and Physical Layer 370

17.8 Qos,Adaptive Networks,and Universal Access Nodes 372

17.9 Conclusion 373

词汇 374