alignment error

With turning, the alignment error of concave sphere center and axis of rotation makes optical path difference alter, so interference fringes will change from bright to hidden.

凹球面支撑轴旋转时，球心与旋转轴线的对准误差导致两反射光光程差变化，使干涉条纹移动。

A new automatic measuring system of alignment error portable laser collimator is introduced.

介绍了一种新颖的直线度误差自动测量系统———便携式激光准直仪.

Using square error function and the barycenter algorithm of light intensity as the merit function of focusing and alignment respectively, the system analyzed the images captured by charge coupled device ( CCD) in the projection screen to produce feedback signals.

该系统运用数字图像处理技术，以方差函数和光强重心算法分别作为清晰度调节和三色和色调节的评价函数，分析电荷耦合器件（CCD）采集的局部图像，产生反馈信号。

The Effect of Alignment Error of Cruciform Joints in Ship Structure on Fatigue Strength

船舶十字接头错边量对疲劳强度影响的研究

If you're not tracking reference tag, the system cannot automatically move or out track alignment error.

如果不克不及跟踪参考标志, 编制不离不克不及被迫安放或报出跟踪套准不对.