The purpose of this paper is to describe a direct design approach using a GA (Genetic Algorithm) to a HSTF(Hicarchical Structure Transversal Filter). A direct design approach of the HSTF is not easy because of highly nonlinear problem. So far. we took a two phase approach. However, this approach cannot give an accurate specification of the filter. We applied a GA into a direct design of the HSTF and could get some preferable results. A design example by GA will be given compared with that of the two phase design approach.
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