Analysis and Design of Digital IIR Integrators and Differentiators Using Minimax and Pole, Zero, and Constant Optimization Methods
Figure 4
Group delay response of designed integrators; , , and , Ngo integrator [6], Gupta et al. 1 integrator (z) [8], Gupta et al. 2 integrator [9], Gupta et al. 3 integrator (z) [10], Al-Alaoui integrator [15], and Upadhyay and Singh integrator [16].