目的探讨心脏灌注压、血液浓度和血流速度对组织背向散射强度的影响。
Objective To explore the influence of perfusion pressure, blood concentration and blood flow velocity on myocardial ultrasonic backscatter integration.
通过设计特别的前向散射实验得到了此配置下由于晶体出射面对入射光的反射造成的背向散射的强度。
In the special experiment designed by ourselves we obtained the backscattering signal excited by the laser light reflected by the sample's rear surfaces.
目的：验证商用超声诊断仪所测定的心肌背向散射信号强度的可靠性。
Objective: To testify the reliability of myocardial backscatter intensity measured by commercial ultrasonography.
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