# Revisiting the use of squared magnitude function for the optimal approximation of (1 + α)-order Butterworth filter

> Research article (AEU - International Journal of Electronics and Communications, 2019) · cited 18× · AI/ML

**Wikidata**: [openalex:W2962126882](https://www.wikidata.org/wiki/openalex:W2962126882)  
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