A new technique for the design of two-dimensional (2-D) separable-denominator adaptive state-space digital filters is developed using stable filter structures. First, coefficient sensitivites are related to intermedia...
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A new technique for the design of two-dimensional (2-D) separable-denominator adaptive state-space digital filters is developed using stable filter structures. First, coefficient sensitivites are related to intermediate transfer functions in order to generate gradient signals. Next, the LMS algorithm is applied to construct adaptive state-space digital filters with new systems to generate gradient signals. Finally, a numerical example is given to illustrate the validity of the proposed technique. Comparison between the proposed and conventional adaptive filters is also presented in the example.
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