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提出了一种用漫射光自相关方法无损测量组织微循环血流速度的模型 ,理论分析了散射粒子的布朗运动和微循环血流对漫射光自相关函数的影响。理论计算和蒙特卡罗 (MonteCarlo)法模拟结果表明 ,随着微循环血流均方速率的增大 ,特征相关时间呈负指数规律减小
A model of nondestructive measurement of microcirculation blood flow velocities with diffuse light autocorrelation is proposed. The effects of the Brownian motion and microcirculation of the scattering particles on the autocorrelation function of diffuse light are analyzed theoretically. The results of theoretical calculation and Monte Carlo simulation show that as the mean square velocity of microcirculation increases, the correlation time decreases negatively