Understanding active noise cancellation / Colin H. Hansen

Author(s): Hansen, Colin H., 1951-
Location:
Retrieving Holdings Information
Subjects: Noise control
Formats: Print
Material Type: Books
Language: English
Audience: Unspecified
Published: London ; New York : Spon Press, 2001
LC Classification: T, TD
Physical Description: viii, 162 p. : ill. ; 25 cm
Table of Contents: Preface
Acknowledgements
Ch. 1. A Little History 1
Ch. 2. Foundations of Active Control 9
2.1. Physical Mechanisms 9
2.2. Basic Structure of Active Noise Control Systems 11
2.3. Control System Optimization 19
Ch. 3. The Electronic Control System 31
3.1. Introduction 31
3.2. Digital Filters (Adaptive Control Filters) 32
3.3. Adaptation Algorithms for Adaptive Filters 36
3.4. Waveform Synthesis 59
3.5. Important Controller Implementation Issues 60
Ch. 4. Active Noise Control Sources 69
4.1. Introduction 69
4.2. Acoustic Sources 69
4.3. Vibration Sources 75
Ch. 5. Reference and Error Sensing 81
5.1. Microphones 81
5.2. Tachometer Reference Signal 83
5.3. Sound Intensity 87
5.4. Energy Density 88
5.5. Virtual Sensing 93
5.6. Vibration Sensing of Sound Radiation 97
5.7. Control Algorithms for Various Sensing Strategies 106
Ch. 6. Applications of Active Noise Control 111
6.1. Some General Considerations 111
6.2. Application Examples 112
6.3. Examples of Applications Which are Impractical 130
References 133
App. A: A Little Maths 149
App. B: Additional Information 153
Index 155
Notes: LCCN: 2001027426
ISBN: 0415231914 (alk. paper)
ISBN: 0415231922 (pbk. : alk. paper)
ISBN: 0415231914
ISBN: 0415233771 (pbk.)
Includes bibliographical references (p. [133]-148) and index
OCLC Number: 46421896
ISBN/ISSN: 0415231914
0415231922
0415233771