文档介绍：Structure and Interpretation of Signals and Systems
Edward A. Lee and Pravin Varaiya
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Electrical Engineering & Computer Science
University of California, Berkeley
July 4, 2000
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Copyright c 2000
Edward A. Lee and Pravin Varaiya
All rights reserved
Contents
Preface xiii
Notes to Instructors xvii
1 Signals and Systems 1
Signals ......................................... 2
Audio signals ................................. 2
Images .................................... 5
Probing further: Household electrical power ..................... 7
Video signals ................................. 10
Signals representing physical attributes ................... 12
Sequences ................................... 13
Discrete signals and sampling ........................ 14
Systems ........................................ 19
Systems as functions ............................. 19
munications systems ......................... 20
Probing further: munication ...................... 23
Probing further: LEO telephony ........................... 24
Probing further: Encrypted speech .......................... 28
Audio storage and retrieval .......................... 29
Modem negotiation .............................. 30
Feedback control system ........................... 31
Summary ....................................... 34
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iv CONTENTS
2 Defining Signals and Systems 37
Defining functions .................................. 37
Declarative assignment ............................ 37
Graphs .................................... 39
Probing further: Relations .............................. 41
Tables ..................................... 41
Procedures .................................. 42
................................. 42
Probing further: Declarative interpretation