This paper studies the mixed-norm approximation of IIR digital filters by FIR digital filters. Effective methods using LMIs are presented to solve the approximation problem. The effectiveness is demonstrated by examples.
Proceedings of the 6th World Congress on Intelligent Control and Automation (WCICA 2006), Dalian, China, 21-23 June 2006,
Vol. 2, pp. 6574-6577