R. Kanagawa, J. Okello, N. Sasaoka, E. Kuno, Y. Itoh, M. Kobayashi
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A study on equation error algorithm based on correlation function
Equation error adaptive algorithm (EQ-E) for adaptive infinite impulse response (IIR) digital filter is one of the IIR adaptive algorithms that exhibit global convergence. In the presence of a color disturbance signal, the coefficients of the equation error based adaptive digital filter (ADF) converge to solutions with bias. In this paper, we propose a kind of block adaptive algorithm for the EQ-E IIR ADF. By estimating the correlation functions, the effect of the disturbance signal onto the convergence of the algorithm is reduced.
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