Its adaptive optics correct not only for atmospheric distortion but also for ground winds that can alter observational accuracy.
它的光学自适应校正不仅仅是为了抵消大气带来的畸变，也能补偿风所带来的观测精度变化。
2
The correction of camera opticsdistortion and sub-pixel method for image processing can reduce the error of target image orientation for the precision improvement of system measuring.
Static error mostly includes shafting error, coder error, time-lag error by TV sensor, measure distortion by optics structure and atmosphere refraction error etc.