Optimization of signal-to-noise ratio for multilayer PZT transducers.

@article{Goldberg1995OptimizationOS,
  title={Optimization of signal-to-noise ratio for multilayer PZT transducers.},
  author={R L Goldberg and Stephen W. Smith},
  journal={Ultrasonic imaging},
  year={1995},
  volume={17 2},
  pages={95-113}
}
In medical ultrasound imaging, two-dimensional (2-D) array transducers are desirable to implement dynamic focusing and phase aberration correction in two dimensions as well as volumetric imaging. Unfortunately, the small size of a 2-D array element results in a small clamped capacitance and a large electrical impedance near the resonance frequency. This results in poor signal-to-noise ratio (SNR) of the array elements. It has previously been demonstrated that transducers made from multilayer… CONTINUE READING

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