Discussion on PW Measurement Error

All measurement sources come from the doppler frequency shift formula

By adjusting the probe tilt angle and PW scan line deflection, the correction angle is as small as possible to reduce the relative error of the average flow rate and flow measurement, and at the same time, a larger Doppler can be obtained. Frequency offset can also make it easier for the Doppler spectrum to fill most areas of the image, and minimize the estimation error of the maximum flow velocity, thereby obtaining more reliable S/D, RI, PI and other parameters.

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Beijing, China

iTrason

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