A nonlinear polarization-vector translation method has been proposed by Poelman

which can effectively increases the interference suppression ability of the polarization filter.But the algorithm becomes more complicated as the nonlinear degree increases.Thus in this paper

a real weighting polarization vector translation method is put forward

which is simple and suitable for realizing in reality.It is shown that the intrinsic interference suppression capability of a polarization filter based on the rule of minimum interference output is only 50%.In other words

only half of the interference in polarization domain can be filtered out.By using the new method

the interference suppression capability of the filter is improved from 57.7% to 100% corresponding to different polarization states of the desired signal.