Ultrasound Physics Crossword

Conversion of acoustic energy into heat
A transducer array consisting of ring-shaped piezoelectric elements arranged concentrically, along a central disk
Any echo signal whose displayed position does not correspond to the actual position of a reflector in the body
Reduction in the amplitude and intensity of a sound wave as it propagates through a medium
Part of an imaging instrument that provides the pulse-delay sequences for transmit focusing and for dynamic receive focusing
Acronym for "binary digit"
Temperature a PZT element becomes depolarized
Data in discrete units
Unit for frequency
The fraction of time that the transducer is actively producing sound energy
Number of cycles per second
Abbreviation for lead zirconate titanate
The duration of a single cycle
Type of "bubble-bursting" cavitation
Smallest building block of a digital picture
Units for pressure
Less than 20Hz
Power divided by area equals ___________
Converts all negative voltages into positive voltages
The science of identifying and measuring the characteristics of an ultrasound beam relevant to its potential to cause bioeffects