Uzo, Henry N., Ogbonna U. Oparaku, and Vincent C. Chijindu. “Design of FIR Digital Filters Using Semi-Ellipse Window”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI) 9, no. 3 (September 30, 2021): 647–661. Accessed October 28, 2026. https://section.iaesonline.com/index.php/IJEEI/article/view/2481.