Linear, or almost linear phase in the design of digital differentiators depends both on the
method of calculation of the filter coefficients and the adopted structural design …

In this paper, design of infinite impulse response lowpass differentiators that can be realized
by parallel connection of two allpass filters whose orders differ by two, where one of the …

The paper investigates the design of infinite-impulse response lowpass differentiators based
on second-order allpass filter application. Specifications of the lowpass differentiator are first …

Infinite impulse response (IIR) lowpass differentiators with nearly linear phase are used in
many signal processing applications. In this paper, a new optimization method for the design …

In this paper, new designs of infinite impulse response digital integrators are presented.
Transfer functions of the digital integrators are derived after utilising the concept of multirate …

Infinite Impulse Response (IIR) lowpass digital differentiators with nearly linear phases are
extensively utilized. This paper introduces a Sequential Partial Optimization (SPO) …

In this paper a new method for design of the first order differentiator is presented. The
proposed differentiator consists of two parallel branches, ie direct path and IIR all-pass filter …

One of the important domains of digital signal processing is the development of IIR allpass
digital filters that differ in phase response, and the magnitude response of which is constant …

In this paper, a novel technique to design Multiband Pass Integrator (MPI) will be presented.
This novel technique involves the implementation of the MPI using the approximation of …

A new approach to determine improved initial solution for all-pass phase approximation, is
presented in this paper. Most filter design methods are reduced to iterative procedures that …