文件名称:understanding of active noise cancellation 理解噪声控制
文件大小:2.54MB
文件格式:PDF
更新时间:2012-09-02 03:35:04
主动控制 active noise control ANC
噪声主动控制的入门书籍 澳大利亚汉森 部分目录: CHAPTER ONE. A LITTLE HISTORY ........................................................... 1 1.1 INTRODUCTION ...................................................................................... 1 1.2 EARLY HISTORY ..................................................................................... 2 1.3 LATER HISTORY ...................................................................................... 5 1.4 CURRENT COMMERCIAL APPLICATIONS ......................................... 5 1.5 THE FUTURE .......................................................................................... 6 CHAPTER TWO. FOUNDATIONS OF ACTIVE CONTROL ....................... 9 2.1 PHYSICAL MECHANISMS ..................................................................... 9 2.2 BASIC STRUCTURE OF ACTIVE NOISE CONTROL SYSTEMS ...... 11 2.2.1 Adaptive Feedforward Control ....................................................... 12 2.2.2 Feedback Control ............................................................................ 16 2.2.3 Waveform Synthesis ....................................................................... 18 2.3 CONTROL SYSTEM OPTIMIZATION.................................................. 19 2.3.1 Control Source Output Power and Placement ................................ 21 2.3.2 Influence of Error Sensor Placement .............................................. 25 2.3.3 Influence of Reference Signal Delay and Quality .......................... 27 CHAPTER THREE. THE ELECTRONIC CONTROL SYSTEM............... 31 。。。。。。。。。。。。。。。。。