Research Article

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].
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