Based on stochastic parallel gradient descent (SPGD) control algorithm, an adaptive optics test-bed without a wave-front sensor was built with a 32-element deformable mirror and a CCD.
基于随机并行梯度下降（SPGD）算法，32单元变形镜，CCD成像器件等建立了无波前传感自适应光学系统实验平台。
QoS-aware lightpath provisioning scheme and a Grid-PON based parallel data-push scheme is proposed based on the test-bed.
依托实验平台，提出区分用户等级的光路供给方式和光子网格结合无源光网络的并行视频数据推送机制。
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