Method for underdetermined hybrid matrix estimation based on transformation matrix

The invention discloses a method for underdetermined hybrid matrix estimation based on a transformation matrix. According to the invention, collected observation data is firstly stored in an observation signal matrix; according to the observation signal matrix, high-energy data matrixes and valid data matrixes are established; then, the valid data matrixes are clustered through establishment of the transformation matrix and a cluster degree set, so an estimation matrix can be obtained; and finally, the estimation matrix is taken as estimation of an underdetermined hybrid matrix. According to the invention, estimation accuracy of the underdetermined hybrid matrix can be increased, and complexity of computation can be reduced. 本发明公开了种基于变换矩阵的欠定混合矩阵估计方法。本发明首先将采集到的观测数据存入到观测信号矩阵中，根据观测信号矩阵构建高能量数据矩阵和有效数据矩阵，然后通过构建变换矩阵和聚度集合来对有效数据矩阵进行聚类，得到估计矩阵，最后将估计矩阵作为欠定混合矩阵的估计。本发明能够在提高欠定混合矩阵估计精度的同时，降低运算的复杂度。