Why is direction of waveform reversed on color doppler at low prf?
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The resulting Doppler frequency can be used to measure velocity if the beam/flow angle is known. As can be seen from Figures 1 and 2, there has to be motion in the direction of the beam; if the flow is perpendicular to the beam, there is no relative motion from pulse to pulse.
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The resulting Doppler frequency can be used to measure velocity if the beam/flow angle is known. As can be seen from Figures 1 and 2, there has to be motion in the direction of the beam; if the flow is perpendicular to the beam, there is no relative motion from pulse to pulse.
HOPE IT HELPS YOU ☺☺ !!!
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