Application of time slice to an imaging system using acoustic holography

Acoustic holography has attained a high lateral resolution but a poor axial resolution. In this study, to achieve the high axial resolution. time slic e is applied to an imaging system using acoustic holography. The time slice can select the reflected signals from objects at different distances. In t his method. the sampling interval of detected signal decides the axial reso lution. and the aperture of the transducer decides the lateral resolution. The result of a simulation shows good axial and lateral resolutions. The me thod uses only one specified frequency which matches with narrow-band trans ducers.