研究结果表明：环状光束通过像散透镜后变为非旋转对称光束；
The results show that the annular beams become non-rotational symmetric after passing through an astigmatic lens.
介绍了用全息透镜阵列对双曝光散斑图或双曝光粒子像进行并行光学处理的方法。
A method of parallel optical processing of double exposure specklegram or particle image using hololens array is presented.
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