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In this paper, we use the fractional derivative theory to improve the traditional normalized subband filtering algorithm. On this basis, we propose a new fractional order normalized subband filtering algorithm (FNSAF). Then we apply this algorithm to the simulation analysis of typical system identification. We compare this algorithm and the standard normalized subband filtering algorithm in the case...
The fractional differintegration problem is treated from the Signal Processing point of view. A brief review of the Laplace transform approach to differintegration is done. The continuous-time/discrete-time system conversion is discussed and presented a Grünwald-Letnikov integration.
This paper deals with the computation of rational approximations of fractional derivatives and/or integrals and time domain analysis of fractional order systems. The objective is to compute the output signals of systems which represented by fractional order transfer functions. Therefore, all rational approximations for fractional order of 0.1, 0.2,..., 0.9 are obtained using continued fraction expansion...
A new and straightforward implementation of metallic losses in a time-domain field computation namely, the transmission line matrix (TLM) is presented. The approach is based on the description of the skin surface impedance concept directly in time-domain by means of a digital filter representing a fractional derivative operator. Numerical implementation based on recent advances in signal processing...
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