Effects of porous materials in an insert earphone on its frequency response--experiments and simulations

von Tsai, Yu-Ting
Veröffentlicht in: IEEE transactions on ultrasonics, ferroelectrics, and frequency control (2012)

A simple approximate formula for the physical focal length of spherically focused transducers

von Huang, Jin H
Veröffentlicht in: IEEE transactions on ultrasonics, ferroelectrics, and frequency control (2009)