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Analysis of frequency-response sensitivity of the second-order sections with a redundant number of multipliers of recursive digital filters

Yu. Yu. Shelepenko


The paper considers the possibilities for diminishing the sensitivity of frequency responses to variation of components’ parameters and the mean-square sensitivity of frequency responses of minimum-phase and nonminimum-phase sections with an excessive number of components. These sections are used for realization of transfer functions of recursive digital filters obtained at the approximation stage of design.

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