目录: 1 Ultrasonics: An Overview 1.1 Introduction 1.2 Physical Acoustics 1.3 Low-Frequency Bulk Acoustic Wave (BAW) Applications 1.4 Surface Acoustic Waves (SAW) 1.5 Piezoelectric Materials 1.6 High-Power Ultrasonics 1.7 Medical Ultrasonics 1.8 Acousto-Optics 1.9 Underwater Acoustics and Seismology 2 Introduction to Vibrations and Waves 2.1 Vibrations 2.1.1 Vibrational Energy 2.1.2 Exponential Solutions: Phasors 2.1.3 Damped Oscillations 2.1.4 Forced Oscillations 2.1.5 Phasors and Linear Superposition of Simple Harmonic Motion 2.1.6 Fourier Analysis 2.1.7 Nonperiodic Waves: Fourier Integral 2.2 Wave Motion 2.2.1 Harmonic Waves 2.2.2 Plane Waves in Three Dimensions 2.2.3 Dispersion, Group Velocity, and Wave Packets Summary Questions 3 Bulk Waves in Fluids 3.1 One-Dimensional Theory of Fluids 3.1.1 Sound Velocity 3.1.2 Acoustic Impedance 3.1.3 Energy Density 3.1.4 Acoustic Intensity 3.2 Three-Dimensional Model 3.2.1 Acoustic Poynting Vector 3.2.2 Attenuation Summary Questions
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