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چکیده
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In this paper, the validity of nonlinear currents approach in analyzing nonlinear dipoles under multi-tone excitations is investigated. It is carried out via comparison with harmonic balance technique. The simulation results show that for single and infinite array of nonlinear dipoles with incident wave magnitude less than 0.1V/m, an acceptable error less than 5% and 11% is achieved respectively. In two cases, for incident waves of higher-valued amplitude, the nonlinear current approach results in violated response. Although there is a restriction on the use of nonlinear currents approach for the problem under consideration, comparison of the run-time of this approach with harmonic balance (HB) show that it is very efficient.
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