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Several issues related to the practical synthesis of ternary sequences with specified spectra are addressed in this paper. Specifically, sequences with harmonic multiples of two and three suppressed are studied, given their relevance when testing and characterizing nonlinear systems. In particular, the effect of nonuniform digital-to-analog converter (DAC) levels on the spectral properties of the...
The estimation of the impulse response of a linear dynamic system is of crucial importance in many measurement problems. When the task of collecting a large amount of measurements represents an expensive and time-consuming procedure, an accurate estimate needs to be extracted based on a short input/output data record. Well-tuned regularization methods are getting popular to improve the impulse response...
Discrete-time models are very convenient to simulate a nonlinear system on a computer. In order to build the fast recursive discrete-time simulation models for the nonlinear feedback systems, one step delay can be introduced to avoid solving at each time step a nonlinear algebraic loop. In this paper, a measurement methodology is proposed to quantify the output error of such class of models. An experimental...
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