[Univ. Zagreb ISPA 2001. Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis - Pula, Croatia (19-21 June 2001)] ISPA 2001. Proceedings of the 2nd International Symposium on Image and Signal Processing and Analysis. In conjunction with 23rd International Conference on Information Technology Interfaces (IEEE Cat. No.01EX480) - A computer-aided test for the characterization of parasitic oscillations in IIR digital filters