Weak Signal Frequency Detection Based on a Fractional-Order Bistable System

被引：16
|
作者：
He Gui-Tian [1 ]
Luo Mao-Kang [1 ]
机构：
[1] Sichuan Univ, Dept Math, Chengdu 610064, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 06期
基金：
中国国家自然科学基金;
关键词：
STOCHASTIC RESONANCE;
D O I：
10.1088/0256-307X/29/6/060204
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We apply spectral power amplification to quantifying and investigating the phenomenon of stochastic resonance in fractional-order systems. Moreover, the frequency of the weak mixed signal is detected by a stochastic resonance mechanism together with a power spectrum. The corresponding numerical results demonstrate the effectiveness of the proposed methods.
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收藏
页数：4
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