convolution method for parallel beams

例句：

1. 1. The process of convolution is crucial in image processing.
   卷积过程在图像处理中至关重要。
2. 2.The researchers used convolutional neural networks to analyze the data.
   研究人员使用卷积神经网络来分析数据。
3. 3. The convolutional layer in a neural network helps to learn complex patterns.
   神经网络中的卷积层有助于学习复杂的模式。