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arXiv 2009.04273nlin.AO
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柯西噪声驱动下相位振子的低维动力学

Low-dimensional dynamics of phase oscillators driven by Cauchy noise

Takuma Tanaka

摘要:

具有全局正弦耦合的相位振荡器系统已知表现出低维动力学。在本文中,这样的特性被扩展到由柯西噪声驱动的相位振荡器系统。低维动力学解与本研究中噪声驱动相位振荡器的数值模拟结果吻合良好。具有柯西噪声的相同振子的低维动力学与具有柯西分布固有频率的异质振子的低维动力学一致。这使得研究噪声驱动的相同的振荡器系统,通过异构振荡器没有噪声,反之亦然。

英文摘要:

Phase oscillator systems with global sine-coupling are known to exhibit low-dimensional dynamics. In this paper, such characteristics are extended to phase oscillator systems driven by Cauchy noise. The low-dimensional dynamics solution agreed well with the numerical simulations of noise-driven phase oscillators in the present study. The low-dimensional dynamics of identical oscillators with Cauchy noise coincided with those of heterogeneous oscillators with Cauchy-distributed natural frequencies. This allows for the study of noise-driven identical oscillator systems through heterogeneous oscillators without noise and vice versa.

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