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Stabilization of 2D NSHP Recursive Digital Filters with Guaranteed Stability Using PLSI Polynomials
2009
EURASIP Journal on Advances in Signal Processing
Two-dimensional digital filters have gained wide acceptance in recent years. For recursive filters, nonsymmetric half-plane versions (also known as semicausal) are more general than quarter-plane versions (also known as causal) in approximating arbitrary magnitude characteristics. The major problem in designing two-dimensional recursive filters is to guarantee their stability with the expected magnitude response. In general, it is very difficult to take stability constraints into account during
doi:10.1155/2009/963254
fatcat:s22mxzkjyzauni5fvibnzjio2a