Sreekala K.
The objective of this paper is to formulate an algebraic criterion to analyze stability of two dimensional continuous filters arises in testing a driving point impedance reliability condition in power transmission lines and lumped reactance. Here the stability can be analyzed with the help of complex polynomials. In the proposed scheme which is termed as Sign Pair Criterion (SPC ), Routh-like array is developed and the elements in the first column are utilized to get the stability results. The Routh multiplication rule is applied to find all the elements of the array. This criterion is very convenient and simple compared to other available algebraic procedures for stability analysis.
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