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用激光散斑干涉照相方法,测量杆件系统中节点的位移。可简化矩阵位移法求解过程,减少由材料缺陷等因素引起的计算偏差。
Laser speckle interferometry photography was used to measure the displacement of nodes in the rod system. The matrix displacement method can be simplified to solve the process and reduce the calculation deviation caused by factors such as material defects.