課程資訊
課程名稱
基本聲學
Fundamentals of Acoustics 
開課學期
101-1 
授課對象
工學院  工程科學及海洋工程學研究所  
授課教師
王昭男 
課號
ESOE5034 
課程識別碼
525 U2110 
班次
 
學分
全/半年
半年 
必/選修
選修 
上課時間
星期三6,7,8(13:20~16:20) 
上課地點
工科201 
備註
總人數上限:48人 
Ceiba 課程網頁
http://ceiba.ntu.edu.tw/1011acoustics 
課程簡介影片
 
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課程概述

一、課程簡介:

1. Fundamental of vibration
1.1 Introduction
1.2 The simple oscillator
1.3 Initial conditions
1.4 Energy of vibration
1.5 Complex exponential method of solution
1.6 Damped oscillation
1.7 Forced oscillator
1.8 Transient response of oscillator
1.9 Power relations
1.10 Mechanical resonance and frequency

2. Vibration string
2.1 Vibrations of extended systems
2.2 Transverse waves on a string
2.3 One dimension wave equation
2.4 General solution of the wave equation
2.5 Wave nature of the general solution
2.6 Reflection at a boundary
2.7 Forced vibration of a infinite string
2.8 Forced vibration of a finite string
2.9 Normal modes of finite string

3. Two-dimensional wave equation
3.1 Vibration of plane surface
3.2 Wave equation of stretched membrane
3.3 Free vibration of rectangular membrane
3.4 Free vibration of circular membrane
3.5 Symmetric vibration of a circular membrane
3.6 Damped, freely vibrating membrane
3.7 The Kettledrum
3.8 Forced vibration of a membrane
3.9 Diaphragm of a condenser microphone
3.10 Vibration of a plate

4. Acoustic wave equation and simple solution
4.1 Equation of state
4.2 Equation of continuity
4.3 Euler’s equation
4.4 Linear wave equation
4.5 Speed of sound in fluid
4.6 Energy density
4.7 Acoustic intensity
4.8 Specific acoustic impedance
4.9 Spherical waves
4.10 Decibel scales
4.11 Rays and waves

5. Reflection and transmission
5.1 Changes in media
5.2 Transmission: normal incidence
5.3 Transmission through a fluid layer: normal incidence
5.4 Transmission: Oblique incidence
5.5 Normal specific acoustic impedance
5.6 Reflection from the surface of a solid
5.7 Transmission through a thin partition
5.8 Method of images

6. Radiation and reception of acoustic waves
6.1 Radiation from a pulsating sphere
6.2 Acoustic reciprocity and the simple source
6.3 Continuous line source
6.4 Radiation from a plane circular piston
6.5 Radiation impedance
6.6 Fundamental properties of a transducers

7. Cavities and wave guides
7.1 Rectangular cavity
7.2 Cylindrical cavity
7.3 Spherical cavity
7.4 Wave guide of constant cross section
7.5 Sources and Transients in cavities and wave guides
7.6 The layer as a wave guide

8. Pipes, resonators and filters
8.1 Resonance in pipes
8.2 Power radiation from open-ended pipes
8.3 Standing wave Patterns
8.4 Absorption of sound in pipes
8.5 Behavior of the combined driver-pipe system
8.6 Helmholtz resonator
8.7 Reflection and transmission of waves in a pipes
8.8 Acoustic filters

9. Noise, signal detection, hearing and speech
9.1 Noise, spectrum level, and band level
9.2 Combining band levels and tones
9.3 Detecting signals in noise
9.4 The ear
9.5 Some fundamental properties of hearing
9.6 Loudness level and loudness
9.7 Pitch and frequency


二、先修課程:振動學、偏微分方程、複變函數

三、參考書目:L.E.Kinsler, A.R.Frey, A.B.Coppens, J.V.Sanders,
`Fundamentals of Acoustics`,
John Wiley & Sons, Inc., 2000
 

課程目標
協助學者了解如何融合振動與聲學之基礎關係,以及進一步增進學者在聲學之所有相關基本物理屬性的連貫。 
課程要求
 
預期每週課後學習時數
 
Office Hours
 
參考書目
L.E.Kinsler, A.R.Frey, A.B.Coppens, J.V.Sanders,
`Fundamentals of Acoustics`,
John Wiley & Sons, Inc., 2000
 
指定閱讀
 
評量方式
(僅供參考)
   
課程進度
週次
日期
單元主題
第1週
  1.1 Introduction 1.2 The simple oscillator 1.3 Initial conditions 1.4 Energy of vibration 1.5 Complex exponential method of solution 1.6 Damped oscillation 1.7 Forced oscillator 1.8 Transient response of oscillator 1.9 Power relations 1.10 Mechanical resonance and frequency 
第2週
  2.1 Vibrations of extended systems 2.2 Transverse waves on a string 2.3 One dimension wave equation 2.4 General solution of the wave equation 2.5 Wave nature of the general solution 
第3週
  2.6 Reflection at a boundary 2.7 Forced vibration of a infinite string 2.8 Forced vibration of a finite string 2.9 Normal modes of finite string 
第4週
  4.1 Vibration of plane surface 4.2 Wave equation of stretched membrane 4.3 Free vibration of rectangular membrane 4.4 Free vibration of circular membrane 4.5 Symmetric vibration of a circular membrane 
第5週
  4.6 Damped, freely vibrating membrane 4.7 The Kettledrum 4.8 Forced vibration of a membrane 4.9 Diaphragm of a condenser microphone 4.10 Vibration of a plate 
第6週
  5.1 Equation of state 5.2 Equation of continuity 5.3 Euler’s equation 5.4 Linear wave equation 5.5 Speed of sound in fluid 
第7週
  5.6 Energy density 5.7 Acoustic intensity 5.8 Specific acoustic impedance  
第8週
  5.9 Spherical waves 5.10 Decibel scales 5.11 Rays and waves 
第9週
  期中考 
第10週
  6.1 Changes in media 6.2 Transmission: normal incidence 6.3 Transmission through a fluid layer: normal incidence 6.4 Transmission: Oblique incidence 
第11週
  6.5 Normal specific acoustic impedance 6.6 Reflection from the surface of a solid 6.7 Transmission through a thin partition 6.8 Method of images 
第12週
  7.1 Radiation from a pulsating sphere 7.2 Acoustic reciprocity and the simple source 7.3 Continuous line source  
第13週
  7.4 Radiation from a plane circular piston 7.5 Radiation impedance 7.6 Fundamental properties of a transducers 
第14週
  9.1 Rectangular cavity 9.2 Cylindrical cavity 9.3 Spherical cavity 
第15週
  9.4 Wave guide of constant cross section 9.5 Sources and Transients in cavities and wave guides 9.6 The layer as a wave guide 
第16週
  10.1 Resonance in pipes 10.2 Power radiation from open-ended pipes 10.3 Standing wave Patterns 10.4 Absorption of sound in pipes 
第17週
  10.5 Behavior of the combined driver-pipe system 10.6 Helmholtz resonator 10.7 Reflection and transmission of waves in a pipes 10.8 Acoustic filters