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Bilkent University

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Undergraduate and Graduate Programs 2023-2024

EEE 558 Electroacoustic Transduction

Introduction to acoustics, wave equation, propagation basics. Piezoelectricity, piezoelectric materials, constitutive equations. Electric field, stress, strain, tensors. Resonance modes and lumped element modeling of piezoelectric materials. Application of circuit theory and microwave theory to transducers. Piezoelectric piston transducer and hydrophone design, transducer passive materials. Transducer measurements Radiation impedance and its interaction with transducer, radiated and reactive power, energy Performance: coupling coefficient, bandwidth, efficiency, noise Capacitive Transducers: Electrodynamic transduction Radiation impedance, surface particle velocity profile and radiation impedance interrelations. Credit units: 3 ECTS Credit units: 5.

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