Optimal mask calculation method in multiple digital mediation system



The invention provides an optimal mask calculation method in a multiple digital mediation system. The method is that a Hermite transformation matrix of the mediation system and an optimally designed objective function of a mask coefficient vector are found through a way of a minimal LS (Least Squares) error sum between a signal after the filtering calculation and a corresponding ideal environment receiving signal, and an optimization problem of the objective function is solved by using an SVD (Singular Value Decomposition) method and an iterative algorithm, so as to find out a traceable method to solve the optimization problem, and the resources waste caused by an aided design tool of computer numerical values can be prevented.




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