Symmetry constraints on two-dimensional half-plane digital transfer functions
DOI: 10.1109/TASSP.1979.1163279
关键词: 2D Filters 、 Plane (geometry) 、 Symmetry (geometry) 、 Frequency response 、 Mathematics 、 Magnitude (mathematics) 、 Transfer function 、 Diagonal 、 Mathematical analysis
摘要: Constraints on two-dimensional half-plane digital transfer functions are developed so that the magnitude responses of these possess a specified symmetry (quadrantal symmetry, about diagonals, or octagonal symmetry). The application constraints in design filters is indicated.
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