【摘要】 通过理论分析和计算机模拟方法,对激光双光栅法测微小位移实验中出现的不规则光拍信号波形,即"毛刺"现象进行讨论,提出了改进双光栅微振动实验的方法,并获得了好的结果.更多还原

【Abstract】 By theoretical analysis and computer simulation, the "burr" phenomenon--irregular shape of light?-?beat signals in the experimental measurement of tiny displacement by double?-?grating using Laser is studied. An effective improvement of the experiment is put forward as well.更多还原