Abstract
The direct solution of the problem of multifrequency process analysis meets enormous difficulties. Indeed, the simplest calculation, for example, of a two-frequency process in a dynamic single-frequency parameter system has three frequencies, three amplitudes, and three phases as unknown quantities. Finding a solution in the nine-dimensional space of unknowns concerning a system with many state coordinates is not a simple problem even using modern computer power.
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Chechurin, L., Chechurin, S. (2017). Single-Frequency Approximation Correction of Periodically Nonstationary Systems. In: Physical Fundamentals of Oscillations. Springer, Cham. https://doi.org/10.1007/978-3-319-75154-2_16
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DOI: https://doi.org/10.1007/978-3-319-75154-2_16
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Online ISBN: 978-3-319-75154-2
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