An FFT-based flow profiler for high-resolution in vivo investigations.

  title={An FFT-based flow profiler for high-resolution in vivo investigations.},
  author={Piero Tortoli and Gianluca Guidi and P. Berti and Francesco Guidi and Daniele Righi},
  journal={Ultrasound in medicine & biology},
  volume={23 6},
Pulsed Doppler spectral analysis is a well-established diagnostic technique in the assessment of arterial diseases. Because of hardware limitations, its use has been so far restricted to the analysis of a single sample volume located along the ultrasound beam axis. In this paper, we discuss the operation of a newly developed multigate instrument capable of performing, in real time, 64-point fast Fourier transforms of Doppler signals sampled from 64 different range cells. The new instrument is… CONTINUE READING

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