Design of diamond and circular filters by semi-definite programming

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Conference Proceeding
Proceedings - IEEE International Symposium on Circuits and Systems, 2007, pp. 2966 - 2969
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A new design for linear phase diamond-shaped (DS) and circular-shaped (CS) 2-D filters is developed. First, the frequency masks are efficiently constrained by 2-D second-order trigonometric polynomials. Then semi-definite programming (SDP) of reasonably low dimension is employed to effectively express the Alter specifications. Several numerical examples are provided to demonstrate the superior performance of our design in comparison with all other existing designs. © 2007 IEEE.
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