The decomposed singular value may serve as the flow pattern characteristic vector and the input to a radial basis function neural network ( rbfnn ) to realize an intelligent identification of the flow pattern 然后对初始特征向量矩阵进行奇异值分解得到矩阵的奇异值，将其作为流型的特征向量，再结合rbf神经网络形成流型的智能识别方法。
