Harmonic oscillator with multiplicative noise: nonmonotonic dependence on the strength and the rate of dichotomous noise.
The output signal of a undamped linear oscillator with a random frequency subject to a periodic force shows nonmonotonic dependence on the strength and the rate of color noise (stochastic resonance). The effect is absent for white noise.
Gitterman
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Department of Physics, Bar-Ilan University, Ramat-Gan, 52900 Israel.