Abstract
It is shown that a sign correlation of two harmonic oscillations with any irrational relationship of their frequencies gives rise to a quite regular process, the spectrum of which contains components possessing nonequidistant combination frequencies. The spectrum of such a signal is analytically determined and some features of this spectrum are discussed. The results confirm the conclusions made by Vladimirov [Usp. Fiz. Nauk 174, 217 (2004)] concerning the impossibility of generating a chaotic pulse sequence using a sign correlator of two periodic signals proposed by Evdokimov et al. [Usp. Fiz. Nauk 171, 775 (2001)].
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References
N. V. Evdokimov, V. P. Komolov, and P. V. Komolov, Usp. Fiz. Nauk 171, 775 (2001) [Phys. Usp. 44, 735 (2001)].
S. N. Vladimirov, Usp. Fiz. Nauk 174, 217 (2004) [Phys. Usp. 47, 205 (2004)].
S. I. Baskakov, Radiotechnical Circuits and Signals (Vysshaya Shkola, Moscow, 1988) [in Russian].
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Original Russian Text © A.A. Stanislavsky, 2006, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2006, Vol. 32, No. 4, pp. 1–5.
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Stanislavsky, A.A. Quasi-periodic oscillations generated using a sign correlator. Tech. Phys. Lett. 32, 138–139 (2006). https://doi.org/10.1134/S1063785006020155
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DOI: https://doi.org/10.1134/S1063785006020155