Principles of modern communication systems:
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Cambridge
Cambridge University Press
2017
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis Klappentext |
| Beschreibung: | xiv, 442 Seiten Diagramme |
| ISBN: | 9781107107922 |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804177379627630592 |
|---|---|
| adam_text | CONTENTS
Ar
Preface page xiii
SI prefixes and conversion factors XV
Introduction 1
1.1 Introduction 2
1.2 Communication milestones 3
1.3 Communication process 3
1.3.1 Source of information 3
1.3.2 Transmitter 6
1.3.3 Channel 6
1.3.4 Noise 7
1.3.5 Receiver 7
1.3.6 User of information 7
1.4 Frequency allocation 7
1.5 Information capacity 10
Summary 13
Review questions 13
Problems 14
Signals and systems 15
2.1 Introduction 16
2.2 Classification of signals 17
2.3 Operations on signals 20
2.4 Classification of systems 25
2.5 Trigonometric Fourier series 26
2.6 Exponential Fourier series 33
2.7 Fourier transform 39
2.8 Properties of the Fourier transform 46
2.8.1 Linearity 46
2.8.2 Time scaling 46
2.8.3 Time shifting 47
2.8.4 Frequency shifting 48
2.8.5 Time differentiation 48
2.8.6 Frequency differentiation 50
viii
Contents
2.8.7 Time integration 50
2.8.8 Duality 51
2.8.9 Convolution 52
2.9 Applications ֊ filters 58
2.10 Computation using MATLAB 65
2.10.1 Plotting a signal 65
2.10.2 Fourier series 65
2.10.3 Filtering 68
Summary 70
Review questions 7]
Problems 72
3 Amplitude modulation 82
3.1 Introduction 83
3.2 Amplitude modulation (AM) 84
3.2.1 Spectrum of amplitude-modulated signals 89
3.2.2 Power efficiency in amplitude modulation 9]
3.2.3 Generation of AM signals 93
3.2.4 Demodulation of AM signals 95
3.3 Double sideband-suppressed carrier (DSB-SC) AM 99
3.3.1 DSB-SC modulators 103
3.3.2 Frequency mixer 108
3.4 Quadrature amplitude modulation (QAM) 111
3.5 Single sideband (SSB) AM 114
3.5.1 The Hilbert transform and the time-domain expression for SSB 116
3.5.2 Generation of SSB AM 119
3.5.3 Demodulation of SSB AM 123
3.6 Vestigial sideband (VSB) AM 129
3.7 Acquisition of carriers for synchronous detection 137
3.8 Frequency-division multiplexing 142
3.9 Application: the superheterodyne AM receiver 143
Summary 146
Review questions 147
Problems 148
4 Angle modulation 157
4.1 Introduction 158
4.2 Frequency, phase, and angle modulations 158
4.3 Bandwidth and spectrum of angle-modulated signals 166
4.3.1 Narrowband angle modulation 167
4.3.2 Wideband angle modulation 171
Contents
IX
4.4 Generation of FM signals 181
4.4.1 Armstrong’s indirect method for generating wideband FM 182
4.4.2 The direct method for generating of wideband FM 187
4.5 Demodulation of angle-modulated signals 189
4.6 Feedback demodulators 201
4.6.1 The phase-locked loop 202
4.6.2 Frequency-compressive feedback demodulator 209
4.7 Interference in angle modulation 213
4.8 FM broadcasting 222
4.9 Application: stereo processing in FM broadcasting 223
Summary 223
Review questions 222
Problems 22^
5 Pulse modulation and transmission 236
5.1 Introduction 232
5.2 Sampling 232
5.3 Analog pulse-amplitude modulation 242
5.4 Quantization and encoding 244
5.5 Pulse code modulation 230
5.6 Delta modulation 232
5.7 Line coding 233
5.8 Multiplexing 236
5.8.1 Frequency-division multiplexing 232
5.8.2 Time-division multiplexing 238
5.9 Applications 262
5.9.1 Analog-to-digital conversion 262
5.9.2 Speech coding 263
Summary 263
Review questions 263
Problems 266
6 Probability and random processes 22°
6.1 Introduction 221
6.2 Probability fundamentals 221
6.2.1 Simple probability 222
6.2.2 Conditional probability 224
6.2.3 Random variables 222
6.2.4 Operations on random variables 282
6.3 Special distributions 285
6.3.1 Uniform distribution 285
X
Contents
6.3.2 Exponential distribution 286
6.3.3 Gaussian distribution 286
6.3.4 Rayleigh distribution 288
6.4 Random processes 294
6.4.1 Continuous versus discrete random process 295
6.4.2 Deterministic versus nondeterministic random process 296
6.4.3 Stationary versus nonstationary random process 296
6.4.4 Ergodic versus nonergodic random process 296
6.5 Power spectral densities 299
6.6 Sample random processes 304
6.6.1 Gaussian process 304
6.6.2 White noise 304
6.6.3 Bandlimited process 305
6.7 Application - linear systems 306
6.8 Computation using MATLAB 309
6.8.1 Linear systems 309
6.8.2 Bernoulli random process 311
Summary 313
Review questions 314
Problems 315
7 Noise in analog communications 323
7.1 Introduction 324
7.2 Sources of noise 324
7.2.1 Thermal noise 326
7.2.2 Shot noise 326
7.3 Baseband systems 329
7.4 Amplitude-modulation systems 333
7.4.1 DSB system 334
7.4.2 SSB system 335
7.4.3 AM synchronous demodulation 337
7.4.4 AM envelope detection 339
7.4.5 Square-law detector 341
7.5 Angle-modulation systems 347
7.5.1 PM system 349
7.5.2 FM system 349
7.5.3 Threshold effects 351
7.6 Preemphasis and deemphasis filters 353
7.7 Comparison of analog modulation systems 356
7.8 Computation using MATLAB 357
Contents
XI
Summary 359
Review questions 360
Problems 361
Noise in digital communication systems 363
8.1 Introduction 364
8.2 Matched-filter receiver 364
8.3 Baseband binary systems 368
8.3.1 Unipolar signaling 369
8.3.2 Polar signaling 374
8.3.3 Bipolar signaling 374
8.4 Coherent detection 376
8.4.1 Amplitude-shift keying 376
8.4.2 Phase-shift keying 377
8.4.3 Frequency-shift keying 378
8.5 Noncoherent detection 380
8.5.1 Amplitude-shift keying 380
8.5.2 Frequency-shift keying 382
8.5.3 Differential phase-shift keying 383
8.6 Comparison of digital modulation systems 385
8.7 M-ary communications 385
8.8 Spread-spectrum systems 388
8.8.1 Direct sequence 389
8.8.2 Frequency hopping 390
8.9 Computation using MATLAB 392
Summary 394
Review questions 394
Problems 395
Appendices
A. Mathematical formulas 399
B. MATLAB 407
C. Table of complementary error function Q(x) 421
D. Answers to odd-numbered problems 423
Index
439
Principles of Modern
Communication Systems
Written specifically for a one-semester course, this highly readable textbook explains the physical
and engineering principles of communication systems using an accessible, yet mathematically
rigorous, approach. Beginning with valuable background material on signals and systems and
random processes, the text then guides students through the core topics including amplitude
modulation, frequency modulation, pulse modulation, and noise.
Key features include:
• A range of worked examples, practice problems, and review questions to reinforce concepts and
enable students to develop confidence in solving problems on their own
• Key terms and formulas highlighted throughout to help students easily identify essential points
• MATLAB-based exercises and examples provided throughout, supported by an introductory
appendix for those who are new to Matlab
• End-of-chapter practical applications, showing students how concepts are applied to real-life
communication scenarios and devices
Samuel Agbo is a Professor at California Polytechnic State University, His teaching and research
are in Communications, Fiber Optic Communications, and Electronics. He is a member of the IEEE,
the IEEE Communications Society, and the IEEE Photonics Society.
Matthew N. 0. Sadiku is a Professor at Prairie View A M University. His awards include the
McGraw-Hill/Jacob Millman Award for outstanding contributions in the field of electrical engineer-
ing (2000), and the Regents Professor Award from Texas A M University (2012-2013). He is the
author of numerous papers as well as over 70 books, and is a registered Professional Engineer and a
Fellow of the IEEE.
|
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| language | English |
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| spelling | Agbo, Samuel Verfasser (DE-588)1130612848 aut Principles of modern communication systems Samuel O. Agbo, California Polytechnic State University, Matthew N.O. Sadiku, Prairie View A&M University Cambridge Cambridge University Press 2017 xiv, 442 Seiten Diagramme txt rdacontent n rdamedia nc rdacarrier Kommunikation (DE-588)4031883-7 gnd rswk-swf Nachrichtentechnik (DE-588)4041066-3 gnd rswk-swf Medien (DE-588)4169187-8 gnd rswk-swf Kommunikation (DE-588)4031883-7 s Medien (DE-588)4169187-8 s DE-604 Nachrichtentechnik (DE-588)4041066-3 s Sadiku, Matthew N. O. 1955- Verfasser (DE-588)1044473444 aut Digitalisierung UB Bayreuth - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029633191&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis Digitalisierung UB Bayreuth - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029633191&sequence=000002&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA Klappentext |
| spellingShingle | Agbo, Samuel Sadiku, Matthew N. O. 1955- Principles of modern communication systems Kommunikation (DE-588)4031883-7 gnd Nachrichtentechnik (DE-588)4041066-3 gnd Medien (DE-588)4169187-8 gnd |
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| title | Principles of modern communication systems |
| title_auth | Principles of modern communication systems |
| title_exact_search | Principles of modern communication systems |
| title_full | Principles of modern communication systems Samuel O. Agbo, California Polytechnic State University, Matthew N.O. Sadiku, Prairie View A&M University |
| title_fullStr | Principles of modern communication systems Samuel O. Agbo, California Polytechnic State University, Matthew N.O. Sadiku, Prairie View A&M University |
| title_full_unstemmed | Principles of modern communication systems Samuel O. Agbo, California Polytechnic State University, Matthew N.O. Sadiku, Prairie View A&M University |
| title_short | Principles of modern communication systems |
| title_sort | principles of modern communication systems |
| topic | Kommunikation (DE-588)4031883-7 gnd Nachrichtentechnik (DE-588)4041066-3 gnd Medien (DE-588)4169187-8 gnd |
| topic_facet | Kommunikation Nachrichtentechnik Medien |
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