Principles of Modern Acoustics

acoustic amplitude analogy applied arbitrary assumed boundary Chapter characteristic circuit coefficient complete components connected considered constant coordinates corresponding defined density derivation desired determined differential equations direction discussion displacement distance effect electrical element energy equal example expressed Figure Find fixed force frequency function given impedance important incident infinite initial input intensity involving known length mass material mechanical medium membrane meters method modes motion necessary normal obtained oscillation particle particular phase physical plane position possible present pressure problem produced propagation quantity radiation ratio rectangular reflected represents resistance respectively separation shape shown sinusoidal solution solving sound standing stiffness string Substituting surface termination theory tion tube unit values variable variation vary velocity vibrating voltage wave equation written yields York zero