A self - excited oscillator with hard limiting is subject to two harmonic inputs equal in amplitude and having any frequencies; a method is given for defining the synchronous ranges in terms of the frequencies and amplitudes. Numerical results are presented together with a physical interpretation. The method is readily extended to the case where the spectrum of the input consists of an arbitrary number of equidistant components, i.e., a harmonic input with any periodic modulation.
Department of Oscillation Physics
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