波前倾斜误差 wavefront tilt errors
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通过低阶校正模式波前误差提高了探测器接收光强，并有效校正了波前倾斜。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
采用实时图象处理器，实时提取局部波前倾斜，从而减少实时数据存储的要求，实现长时间持续测量。
The local wavefront slope is extracted at real time with a real time image processor, thus the requirements for real time data storage can be reduced and a long lasting measuring time can be realized.
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