課程資訊
 課程名稱 基本聲學Fundamentals of Acoustics 開課學期 100-1 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 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 課程網頁 http://www.esoe.ntu.edu.tw/courses/525u2110.htm 課程簡介影片 核心能力關聯 核心能力與課程規劃關聯圖 課程大綱 為確保您我的權利,請尊重智慧財產權及不得非法影印 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 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 第5週 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 第6週 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 第7週 4.6 Energy density 4.7 Acoustic intensity 4.8 Specific acoustic impedance 第8週 4.9 Spherical waves 4.10 Decibel scales 4.11 Rays and waves 第9週 期中考 第10週 5.1 Changes in media 5.2 Transmission: normal incidence 5.3 Transmission through a fluid layer: normal incidence 5.4 Transmission: Oblique incidence 第11週 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 第12週 6.1 Radiation from a pulsating sphere 6.2 Acoustic reciprocity and the simple source 6.3 Continuous line source 第13週 6.4 Radiation from a plane circular piston 6.5 Radiation impedance 6.6 Fundamental properties of a transducers 第14週 7.1 Rectangular cavity 7.2 Cylindrical cavity 7.3 Spherical cavity 第15週 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 第16週 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 第17週 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