信号处理中的旋转不变子空间法，表示出两帧图像间各个像素点的相对情况，一种流形学习算法（很好用），通过虚拟阵元进行DOA估计，快速扩展随机生成树算法，光纤陀螺输出误差的allan方差分析。- Signal Processing ESPRIT method, Between two images showing the relative circumstances of each pixel, A fluid manifold learning algorithm (good use), Conducted through virtual array DOA estimation, Rapid expansion of random spanning tree algorithm, allan FOG output error variance analysis.