Method and system for ultrasound enhanced-resolution spectral Doppler
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United States of America Patent
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Oct 23, 2001
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app pub date -
May 29, 1998
filing date -
May 22, 1997
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Abstract
A method and system for generating data for a spectral Doppler strip in an ultrasound system includes a beamformer that provides Doppler data to a signal processor. The signal processor applies an autoregressive model and determines autoregressive parameters responsive to the Doppler data. Information responsive to the autoregressive parameters is generated, and a window function is applied to the information. At least one spectrum responsive to the auto-regressive parameter is estimated with a Fourier transform.
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