Doppler angle unfolding in ultrasound color flow and Doppler

摘要

An ultrasonic imaging system for displaying velocity of fluid includes a receiver which demodulates ultrasonic echo signals received by a transducer array from two different positions. The resulting data is organized into frames of data from the two different positions. The data is used to calculate the angle of rotation between the frames. The fluid flow velocity then is calculated from the frames of data and the angle of rotation.