A solar panel substrate planeness non contact system, which employ declinate optical triangulation method, and bases on virtual precise benchmark, is presented.
介绍了一种采用斜光学三角形测量结构和基于虚拟精密测量基准的太阳帆板平面度无接触测量系统及误差补偿方法。
The method comprises the following steps:- defining a virtual structure made up of non overlapping macroblocks, called virtual base layer macroblocks;
所述方法包括以下步骤：定义由非交叠宏块组成的虚拟结构，称为虚拟基础层宏块；
The virtual crack extension method has been utilized to simulate the J-integral of non-uniform welded joints.
采用虚拟裂纹扩展法对焊接接头力学不均匀体的断裂参量J积分进行了数值模拟分析。
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