Bui HH. The Application of LQG Balanced Truncation Algorithm to the Digital Filter Design Problem. Eng. Technol. Appl. Sci. Res. [Internet]. 2022 Dec. 15 [cited 2024 Dec. 23];12(6):9458-63. Available from: https://etasr.com/index.php/ETASR/article/view/5235