Use the cross-correlation technology to measure the mean solids velocity along the chord, and simulate researches on LBP reconstruction algorithm and FBP reconstruction algorithm to reconstruct the vertical velocity field.

• 应用互相关测速技术进行固相颗粒弦平均速度的检测,利用线性反投影算法和滤波反投影算法进行MATLAB仿真研究,重建纵向速度场分布;