摘要
本文简述了超声Doppler血流信号平均频率估计的几种方法,特别是时间域估计的方法。然后通过流速校刻装置的实验,比较了几种算法的估计精度,并指出时间域估计方法系统较易实现,当满足一定条件时,精度也比较高,因此是一种实时估计超声Doppler血流信号平均频率的较好方法。
Some methods of estimation for mean frequency of Doppler ultrasond signal, especially the method of time-domain estimation, are described in this paper. The estimation accuracy of these methods is compared by velocity experiments. It is demonstrated that time-domain estimation is a better realtime estimation for Doppler ultrasound signal.
出处
《中国医疗器械杂志》
CAS
1992年第5期271-274,共4页
Chinese Journal of Medical Instrumentation
