DEVELOPMENT AND INVESTIGATION OF METHOD FOR DESIGN OF APPROXIMATING FUNCTIONS IN THE HEGHER ORDER BAND-PASS FILTERS

Abstract

The aim is to develop the method determining the optimum approximating function with free arrangement of the attenuation pole according to the asymmetrically given requirements to the frequecy responses and providing the taking influence of the inductance coil losses into consideration. The method for determination of the operating characteristic according to the asymmetrical requirements in the suppression bands and in bandwidth and also the method taking shift of the attenuation poles under influence of the frequency-dependent losses in conductance coils into consideration have been developed. The algorithm realizing the method for optimum approximation of the operating characteristics of the band-pass filter taking influence of the losses in conductance coils into consideration has been proposed. The analysis of influencing algoritm parameters on the rate of iteration process convergence has been performed. The band-pass filter as a part of the transmission system equipment has been developed with application of the optimum approximation method. The use of the method proposed permits to decrease the order of the developed device and to improve the quality and stability of its characteristicsAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

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Last time updated on 14/06/2016

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