正交投影法 meaning in Chinese

orthographic projection

Chapter three studies the problem of interferometric phase images filtering and estimation , and details spin filtering with curve windows along the fringe tangent orientation and an estimation method based on the technique of joint space - image subspace projection
第三章研究了干涉相位的滤波和估计问题,重点研究了曲线窗口旋滤波算法和子空间正交投影法。