Tian-Bo Deng

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This paper proposes a closed-form solution for designing variable one-dimensional (1-D) finite-impulse-response (FIR) digital filters with simultaneously tunable magnitude and tunable fractional phase-delay responses. First, each coefficient of a variable FIR filter is expressed as a two-dimensional (2-D) polynomial of a pair of parameters called spectral(More)
In this paper, we propose a new method for designing all-pass (AP) digital filters for equalizing the nonlinear phase characteristics of non-linear digital communication channels. Once a desired phase response is given, we first derive an approximate phase error function that is a linear function with respect to the coefficients of the AP digital filter.(More)
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