利用激光多普勒效应实现固体面内位移测量时,由于散射光的多普勒信号十分微弱,有时还出现淹没或不连续,影响位移测量精度。
In the displacement measurement system of scattering surface laser Doppler effect, the measuring accuracy is affected by the weakly Doppler signal that may be lost or discontinuous.
所提方法扩大了可测深度范围,可用于测量面形较陡的连续表面或不连续深结构表面。
Advantage of the approach is that the depth measurement range is expanded very much, it can be used to measure the profile of the deep or discontinuous surface.
提出了处理不连续点的办法,给出了两个计算实例,计算结果与实验测量结果十分一致。
An approach to remove the singularity is presented. At last, two numerical computation examples are illustrated to show good agreement between computed end treasured results.
地层孔隙半径通常是由实验室测定,常常只能得到不连续的点,无法像其它测井曲线那样连续地测量和显示。
The pore radius is one of the most important reservoir rock properties. Usually, it can be obtained only from few discrete points in laboratory measurements.
衍射光学元件(DOE)表面形貌的测量需要解决因表面结构深度较大和表面不连续给测量带来的困难。
The surfaces of diffraction optical element (DOE) are often deep and discontinuous, which lead to some difficulties for measurement of the 3-d surface topography of DOE.
衍射光学元件(DOE)表面形貌的测量需要解决因表面结构深度较大和表面不连续给测量带来的困难。
The surfaces of diffraction optical element (DOE) are often deep and discontinuous, which lead to some difficulties for measurement of the 3-d surface topography of DOE.
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