課程資訊
課程名稱
基本聲學
Fundamentals of Acoustics 
開課學期
111-1 
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
3.0 
全/半年
半年 
必/選修
選修 
上課時間
星期三7,8,9(14:20~17:20) 
上課地點
工科202 
備註
總人數上限:45人 
 
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課程概述

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 

課程目標
To understand fundamentals of vibration and acoustics and to establish the relationship between sound and vibration and the application of acoustic theory. 
課程要求
1. ability to solve ordinary differential equations
2. ability to solve linear parabolic partial differential equations
3. basics for complex algebra
(opt.) frequency domain knowledge and Fourier analysis 
預期每週課後學習時數
3 hours 
Office Hours
每週一 14:20~17:20 備註: TA's office hour @ ESOE 137 Applied Acoustics lab 
參考書目
Fundamentals of Acoustics 4th Edition by Lawrence E. Kinsler, Austin R. Frey, Alan B. Coppens, James V. Sanders 
指定閱讀
 
評量方式
(僅供參考)
 
No.
項目
百分比
說明
1. 
作業 homeworks 
30% 
 
2. 
期中考 midterm exam 
35% 
 
3. 
期末考 final exam 
35% 
 
 
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上課形式
以錄影輔助
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考試形式
其他
課程進度
週次
日期
單元主題
第1週
  introduction 
第2週
  Fundamentals of vibration 
第3-5週
  The Transverse Motion - The Vibration String (week 4 : a day off) 
第6-7週
  Vibrations of Membranes 
第9-10週
  The Acoustic Wave Equation and Simple Solution 
第11-12週
  Transmission Phenomena 
第13-15週
  Radiation and Reception of Acoustic Waves 
第15-16週
  Cavities and Waveguides