W. Haitham Abbood, “High performance technique FIR Filter Using Least Squares Method”, J. eng. sustain. dev., vol. 12, no. 3, pp. 1–7, Sep. 2008, Accessed: Jun. 05, 2026. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1654