内容简介
Chapter 1.The Language of Signals and Systems
1-1.The Cause-and-effect Pattern
1-2.A Radio Broadcast System
1-3.Automatic Systems
1-4.A System to Stabilize a Ship
1-5.Signals and Systems
Problems
Chapter 2.Signals
2-1.Signals:Physical and Analytical
2-2.Exponential Signals
2-3.Negative Real Values of s
2-4.Positive Real Values of s
2-5.Complex Numbers
2-6.Imaginary Values of s
2-7.Complex Values of s
2-8.Zero Value of s
2-9.Integrals and Derivatives of the Unit Step Function
2-10.The s Plane
Problems
Chapter 3.Models for Mechanical Systems
3-1.The Nature of Analysis
3-2.Mechanical System Models
3-3.The Ideal Mass Element
3-4.The Ideal Spring Element
3-5.The Ideal Damper Element
3-6.Summary:Ideal Elements
3-7.Nature of Linear Models
3-8.Energy,Work,and Power
3-9.Ideal Source Elements
3-10.Through and Across Variables
3-11.Construction of the Circuit Diagram
3-12.Derivation of the Circuit Equations
3-13.Rotational Systems
3-14.Combined Systems
3-15.Units
3-16.Concluding Comments
Problems
Chapter 4.Electrical Systems
4-1.Elements of an Electric Circuit
4-2.Gravitational Phenomena
4-3.Electrostatic Phenomena
4-4.Magnetic Phenomena
4-5.Electrical Energy Dissipation
4-6.Node Equations for Electric Circuits
4-7.Loop Equations
4-8.Practical Sources
4-9.Summary
Problems
Appendix 4-1.Examples of Node Equations
Appendix 4-2.The Cathode-ray Tube
Chapter 5.The Response of Simple Electric Circuits
5-1.Characteristics of Electrical Networks
5-2.The Nature of the Circuit Equations
5-3.The Dynamics of Undriven Systems
5-4.Unit-impulse Excitation
5-5.Response to Exponential Excitation
5-6.Network Interpretation of Driving Signals
5-7.Some Special Cases
5-8.Further Relations between Transfer Functions and Time Responses
5-9.Initial Conditions Represented by Equivalent Sources
Problems
Appendix 5-1.Solution of Simultancous Algebraic Equations
Appendix 5-2.Partial-fraction Expansions
Chapter 6.The Transfer Function
6-1.The Forced Component of the Response
6-2.Calculation of T(s)
6-3.Sinusoidal Excitation
6-4.Pole and Zero Constellations
6-5.Stability
6-6.Sinusoidal Frequency Response
6-7.Geometry of the s Plane
6-8.Exploiting s-plane Geometry
6-9.Resonance Phenomena
6-10.Quality Factor
6-11.Specific Resonant Systems
6-12.Adjustable-parameter Networks
Problems
Chapter 7.The Elements of Analog Simulation and Analog Computers
7-1.Types of Automatic Computers
7-2.A Symbolism for Analog Simulation
7-3.The Essence of Analog Simulation
7-4.Signal-flow Graphs—A Shorthand Analog Symbolism
7-5.Systematic Graphing Techniques
7-6.Graphing Differential Equations
7-7.Electronic Analog Computers
7-8.The Algebra of Signal-flow Graphs
Problems
Chapter 8.Summary Illustrative Example
8-1.Introduction
8-2.Statement of the Problem
8-3.Steps in Analysis
8-4.Signal Approximation
8-5.Formulation of Dynamie Equations
8-6.Determination of the Transfer Function
8-7.Response to Step of Amplitude 5
8-8.Response to the Square Pulse
8-9.Response to the Sinusoidal Pulse
8-10.Comparison of the Two Responses
8-11.Simulation Techniques
8-12.Analog-computer Simulation
8-13.Concluding Remarks