计算目标和海洋回波的功率谱密度,中介真值程度度量，基于中介真值程度度量的图像分割一种流形学习算法（很好用）。- Calculating a target and ocean echo power spectral density, The true extent of the value of the intermediary measure, measure the true extent of the agency based on the value of image segmentation A fluid manifold learning algorithm (good use).