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In this paper, based on a new parametrization of the input-balanced realizations a novel structure is proposed for implementation of 2nd order digital filters. Like the normalized lattice structure, it contains a Givens rotation. The expression of roundoff noise gain for this structure is derived. This proposed structure is simpler than the normalized structure. Though having the same number of structure...
Stability is one of the most important issues in designing recursive digital adaptive filters. It is well known that the conventional transfer coefficient (or direct-form) Parameterization yields a simple implementation but suffers from potential instability problems. In this paper, based on an input-balanced realization a new adaptive filter structure is developed. It is shown that this new Parameterization...
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