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本文研究了含冲击波流场干涉图的图像处理方法,它包括干涉条纹的快束细化算法,冲击波波阵面的提取算法和时间序列冲击波波阵面的配准算法.根据这些算法,在PC-VISION 100图像处理机上开发了应用软件.实验结果表明,该方法可用于定量计算冲击波的传播速度和压力分布,增加了流场干涉图的用途.
In this paper, the image processing method of the shock wave field interferogram is studied, which includes the fast beam thinning algorithm of the interference fringes, the extraction algorithm of the shock wave front and the registration algorithm of the time series shock wave front.According to these algorithms, The application software was developed on VISION 100. The experimental results show that this method can be used to quantitatively calculate the propagation velocity and pressure distribution of shock wave and increase the use of the flow field interferogram.