多亮点各向异性目标回声特征的神经网络提取 摘要：本文提供一种趋向不变识别的回声特征的神经网络自动提取方法和新的可分性测度Js和Jr。 -More than highlight the characteristics of anisotropy of the target echo extraction neural network Abstract: This paper provides a constant tendency to identify the characteristi