Loedwassana W. Performance Comparison of a Second-order adaptive IIR Notch Filter based on Plain Gradient Algorithm. ECTI-EEC [internet]. 2016 Nov. 8 [cited 2025 Apr. 6];15(1):41-8. available from: https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/171290