Xim doppler ultrasound feem ntau siv autocorrelation technology rau doppler teeb liab kev ua. Cov teeb meem ntshav ntws tau los ntawm autocorrelation thev naus laus zis yog xim-cim thiab superimposed ntawm ob-seem duab hauv lub sijhawm tiag tiag los ua a Xim doppler ultrasound ntshav ntws duab. Feem ntau muaj cov probes (phared array, convear array, iterator / enderator sojntsuam, enderator Enginter, teeb liab kev ua thiab cov duab kos. Siv ultrasound deppler technology thiab lub hauv paus ntsiab lus ntawm ultrasound ECHO, peb Xim doppler ultrasound tshuab ib txhij sau cov ntshav ntws, cov ntaub so ntswg cov ntaub ntawv thiab tib neeg cov khoom ua haujlwm.