Digital processing for steerable CW doppler

Details Digital processing for steerable CW doppler Digital processing for steerable CW doppler

1994-07-18

1995-04-18

Manuel, George

Surgery

Truss

Pad

12866101, A61B 800

Patent

active

054069491

ABSTRACT:
A Doppler medical ultrasound apparatus, comprising means for transmitting ultrasound energy into a body, a plurality of parallel channels for receiving echoes of the ultrasound energy, digitizing the echoes, and digitally forming a received beam signal therefrom, means for processing the beam signals to produce a Doppler signal representing movement in a target volume within the body, and means for displaying the Doppler signal, and further including a summing circuit for summing a common dither signal with each of the received echoes and an A/D converter for digitizing the received echo in each parallel channel having the common dither signal added thereto.

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