analog signals and systems - gbv.de
TRANSCRIPT
ANALOG SIGNALS AND SYSTEMS
ERHAN KUDEKI University of Illinois at Urbana-Champaign
DAVID С MUNSON JR. University of Michigan
PEARSON
Prentice Hall
Upper Saddle River, New Jersey 07458
Contents
Preface xi
Chapter 0 Analog Signals and Systems— The Scope and Study Plan 1
Chapter 1 Circuit Fundamentals 6
1.1 Voltage, Current, and Power 7 1.2 Kirchhoff's Voltage and Current Laws: KVL and KCL 15 1.3 Ideal Circuit Elements and Simple Circuit Analysis
Examples 17 1.4 Complex Numbers 26
Exercises 26
Chapter 2 Analysis of Linear Resistive Circuits 31
2.1 Resistor Combinations and Source Transformations 31 2.2 Node-Voltage Method 38 2.3 Loop-Current Method 43 2.4 Linearity, Superposition, and Thevenin and Norton
Equivalents 48 2.5 Available Power and Maximum Power Transfer 60
Exercises 63
Chapter 3 Circuits for Signal Processing 68
3.1 Operational Amplifiers and Signal Arithmetic 68 3.2 Differentiators and Integrators 80 3.3 Linearity, Time Invariance, and LTI Systems 87 3.4 First-Order RC and RL Circuits 93 3.5 nth-Order LTI Systems 111
Exercises 115
VII
V I I I
Chapter 4 Phasors and Sinusoidal Steady State
4.1 Phasors, Co-Sinusoids, and Impedance 4.2 Sinusoidal Steady-State Analysis 136 4.3 Average and Available Power 143 4.4 Resonance 150
Exercises 154
122
Contents
121
Chapter 5 Frequency Response H(«) of LTI Systems 158
5.1 The Frequency Response H(со) of LTI Systems 159 5.2 Properties of Frequency Response H(oo) of LTI Circuits 164 5.3 LTI System Response to Co-Sinusoidal Inputs 166 5.4 LTI System Response to Multifrequency Inputs 176 5.5 Resonant and Non-Dissipative Systems 181
Exercises 182
Chapter 6 Fourier Series and LTI System Response to Periodic Signals 185
6.1 Periodic Signals 186 6.2 Fourier Series 189 6.3 System Response to Periodic Inputs
Exercises 218 208
Chapter 7 Fourier Transform and LTI System Response to Energy Signals 223
7.1 Fourier Transform Pairs f(t) «-> F(co) and Their Properties 226
7.2 Frequency-Domain Description of Signals 240 7.3 LTI Circuit and System Response to Energy Signals 247
Exercises 255
Chapter 8 Modulation and AM Radio
8.1 Fourier Transform Shift and Modulation Properties 8.2 Coherent Demodulation of AM Signals 265 8.3 Envelope Detection of AM Signals 267 8.4 Superheterodyne AM Receivers with Envelope
Detection 273 Exercises 278
259
260
Contents ix
Chapter 9 Convolution, Impulse, Sampling, and Reconstruction 281
9.1 Convolution 282 9.2 Impulse 5(f) 301 9.3 Fourier Transform of Distributions and Power Signals 314 9.4 Sampling and Analog Signal Reconstruction 325 9.5 Other Uses of the Impulse 332
Exercises 333
Chapter 10 Impulse Response, Stability, Causality, and LTIC Systems 337
10.1 Impulse Response h(t) and Zero-State Response y(t)=h(t)*f(t) 338
10.2 BIBO Stability 346 10.3 Causality and LTIC Systems 351 10.4 Usefulness of Noncausal System Models 357 10.5 Delay Lines 357
Exercises 359
Chapter 11 Laplace Transform, Transfer Function, and LTIC System Response 361
11.1 Laplace Transform and its Properties 363 11.2 Inverse Laplace Transform and PFE 381 11.3 s -Domain Circuit Analysis 389 11.4 General Response of LTIC Circuits and Systems 396 11.5 LTIC System Combinations 412
Exercises 419
Chapter 12 Analog Filters and Low-Pass Filter Design 426
12.1 Ideal Filters: Distortionless and Nondispersive 427 12.2 1st-and 2nd-Order Filters 430 12.3 Low-Pass Butterworth Filter Design 437
Exercises 447
Appendix A Complex Numbers and Functions 450
A. 1 Complex Numbers as Real Number Pairs 450 A.2 Rectangular Form 452 A.3 Complex Plane, Polar and Exponential Forms 454
X Contents
A.4 More on Complex Conjugate 461 A.5 Euler's Identity 463 A.6 Complex-Valued Functions 465 A.7 Functions of Complex Variables 468
Appendix В Labs
Labi Lab 2 Lab3 Lab 4 Lab 5
471
tfC-Circuits 472 Op-Amps 481 Frequency Response and Fourier Series 488 Fourier Transform and AM Radio 493 Sampling, Reconstruction, and Software Radio 499
Appendix С Further Reading 507
INDEX 509