Abstract
In order to settle the limitation of stochastic resonance to detect big parameters signal, frequency modulation stochastic resonance is proposed to detect the parameters of high frequency signal. The principle of frequency modulation stochastic resonance is to modulate the signal's frequency firstly and then detect the signal's frequency by the use of stochastic resonance. The paper analyzes the theory of stochastic resonance detection with multi-frequency signal and raises the process of the experiment. The experimental results show that stochastic resonance can achieve the frequency of the modulated high-frequency signal accurately and quickly, and Signal to Noise Ratio(SNR) can be improved effectively.
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