在回顾和评述误差分离技术的多种方法的基础上 ,将这些对象迥异、操作各不相同的诸多方法 ,用多维误差分离技术理论统一起来 ,给出了基于两个映射矩阵的一维和多维误差分离技术的统一方程。据此论述了误差分离的通则 ,以及误差分离技术的反滤波实质 On the basis of reviewing and commenting on a variety of methods of error separation techniques, these methods are very different and operate in different ways. They are unified by the theory of multidimensional error separation, and the one-dimensional and multi-dimensional errors based on two mapping matrices Unified technique of separation techniques. Based on this, the general principle of error separation and the essence of inverse filtering of error separation technology are discussed