For the leak detecting system of water pipeline based on virtual instruments, its acoustic emission measurement and correlation are adopted for detecting orientation.
基于虚拟仪器的水管道泄漏检测定位系统，其检漏与定位分别采用声发射检测法和互相关分析法。
Based on the working principle of laser mouse, the digital speckle correlation method is used to realize orientation of laser mouse.
在激光鼠标工作原理的基础上，利用数字散斑相关方法对激光鼠标的定位原理进行了研究。
A correlation of the orientation of facets for different metals and alloys with lattice structures, SFS and modes of slip was described.
对于不同金属与合金小平面的方位与晶体点阵结构的相互关系，用滑移型和层错能进行描述。
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