首页> 外文会议>ASME summer bioengineering conference;SBC2009 >ACCOUNTING FOR DIFFERENCES BETWEEN ECHO PARTICLE IMAGE VELOCIMETRY (EPIV) AND PULSE WAVE DOPPLER (PWD) VELOCITY MEASUREMENTS

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ACCOUNTING FOR DIFFERENCES BETWEEN ECHO PARTICLE IMAGE VELOCIMETRY (EPIV) AND PULSE WAVE DOPPLER (PWD) VELOCITY MEASUREMENTS

机译：回声颗粒图像测速（EPIV）和脉冲波多普勒（PWD）速度测量之间的差异核算

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Currently, an echo particle image velocimetry (ePFV) system for the investigation of in vivo blood flow and shear stress is under development at the University of Calgary. To date, encouraging preliminary results have been obtained when comparing ePIV derived velocities to analytical solutions. However, large discrepancies were noted between our steady state ePIV derived velocities and velocities measured using pulse wave Doppler (PWD). Ultrasound beam thickness, off axis centerline measurements and PWD angle of interrogation likely account for the differences observed.

机译：目前，在卡尔加里大学开发了用于调查体内血流和剪切应力的回声粒子图像速度（EPFV）系统。迄今为止，在将EPIV衍生速度与分析解决方案进行比较时，已经获得了令人鼓舞的初步结果。然而，在使用脉冲波多普勒（PWD）测量的稳态EPIV推导速度和速度之间，注意到了大的差异。超声波束厚度，截止轴中心线测量和审查的PWD角度可能占观察差异的差异。

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《ASME summer bioengineering conference;SBC2009》|2009年|P.1085-1086|共2页
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Andrew M Walker; Clifton R Johnston; Gary M Dobson;
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中图分类人体工程学;
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ACCOUNTING FOR DIFFERENCES BETWEEN ECHO PARTICLE IMAGE VELOCIMETRY (EPIV) AND PULSE WAVE DOPPLER (PWD) VELOCITY MEASUREMENTS

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