Asian Journal of Information Technology

Year: 2006
Volume: 5
Issue: 1
Page No. 5 - 11

Stability Testing of 1-D and 2-D Digital Filters Using the Method of Evaluation of Complex Integrals

Authors : R. Ramesh and P.S. Reddy

Abstract: The stability testing of 2-Dimensional recursive digital filters had been a very hot problem in 1970`s and 80`s. The right solution is not available though some researchers have been working on this problem even now. We have proposed in this paper a new test procedure (may be an alternative to Jury-Marden algorithm) to test the stability of 1-D recursive digital filters. We also gave for a restricted order 2-D digital filters, a method to test the stability of the given transfer function which is devoid of nonessential singularities of the second kind. In both the 1-D and 2-D cases the available methods of evaluating the complex integrals for variance is used to conclude about the stability of the filter.

How to cite this article:

R. Ramesh and P.S. Reddy , 2006. Stability Testing of 1-D and 2-D Digital Filters Using the Method of Evaluation of Complex Integrals . Asian Journal of Information Technology, 5: 5-11.

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