The CCD image collection and analysis system with mighty function was used in the experiment to attain the orderliness of the particle distribution and movement.

采用功能强大的CCD图像采集分析系统，获得颗粒的分布和运动规律，考察了安装高度、运行参数等对分布板颗粒分布性能的影响。

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By using image difference and gray stretch technique, image histogram analysis method was used to investigate the movement of particles in image sequence.

利用差分法配合灰度拉伸对颗粒运动图像进行了处理 ，直方图分析表明 ，像素在灰度上的分布特性与颗粒运动的剧烈程度具有相关性。

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