Analytical Design of 2-D FIR Filters with Asteroidal Shape

P. Zahradnik and M. Vlček (Czech Republic)


two-dimensional, FIR filter, analytical design


Novel approach in the design of 2-D FIR filters with as teroidal shape of the frequency response is presented. The design method is based on the analytical contour approxi mation. Analytical method for the contour approximation based on the parametric representation of the contour was developed. Closed form formulas for the approximation of the contour with asteroidal shape were derived. Based on the proposed approximation method, one example demon strates the design of the asteroidally shaped 2-D FIR filter.

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