Design of Microstrip Filters by Particle Swarm Optimization Algorithm
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Abstract
In this paper , we present our contribution in design of microstrip low-pass and band-pass filter by particle swarm optimization (PSO ) algorithm. After the design of these filter by classical methods Butterworth and Chebyshev approximation for low-pass and band-pass respectively to determine the characteristics of these filters , we adapted PSO algorithm to low-pass and band-pass filter design problem . The proposed method for design microstrip filters presents better results compared to classical methods in terms of losses in the pass-band and stop-band .
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