blood flow Doppler 血流多普勒测定系统
color-flow Doppler 杜卜勒超音波
coronary flow Doppler imaging 冠脉血流显像技术 ; 结合冠脉血流显像技术 ; 冠脉多普勒显像
CD Color Flow Doppler 彩色多普勒 ; 彩色血流多普勒
color flow doppler sonography 彩色多普勒超声仪 ; 色多普勒超声仪
color doppler flow imaging 彩色多普勒血流显像 ; 彩色多普勒超声 ; 彩色多普勒 ; 彩色多普勒血流图
flow doppler signal 血流信号
colour flow doppler 彩色血流多普勒
A set of circuits for detecting ophthalmic blood flow Doppler signals was developed and spectral analysis was realized as well.
研制以超声波为载体的电路系统，探测眼部血流多普勒信号，并进行频谱分析。
Objective: To analyze time frequence of carotid flow Doppler signal of normal and cerebral infarction cases, providing reference for clinical applications.
目的：分别对正常人和脑梗死患者颈动脉血流超声多普勒时频分析，为临床应用提供参考资料。
Conclusions: the surfactant contrast agent is capable of obvious enhancement of flow Doppler signal by intravenous injections, it would be researched further.
结论：表面活性剂类声学造影剂经外周静脉注射后血流信号增强效果显著，值得进一步研究。
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