Discrete Time Estimation of the Mean Doppler Frequency in Ultrasonic Blood Velocity Measurements
Authors:
- 1 April 1983
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Biomedical Engineering
- Vol. BME-30 (4) , 207-214
Abstract
A new Doppler frequency estimator operating in the discrete time domain is derived from an analysis of the Doppler signal statistics. It is shown that the estimator gives a nearly unbiased estimate of the mean frequency of the signal spectrum, regardless of the spectrum shape. The discrete time implementation gives the advantage that, under specified conditions, the range-velocity product of a pulsed Doppler velocity meter can be increased.Keywords
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