Weak Signal Detection Technology Based on Holmes Duffing Oscillator

被引：10
|
作者：
Zhao, Wenli [1 ]
Zhao, Jingxiao [1 ]
Huang, Zhenqiang [1 ]
Meng, Qinghua [1 ]
机构：
[1] Hangzhou Dianzi Univ, Coll Mech Engn, Hangzhou 310018, Peoples R China
来源：
2012 INTERNATIONAL WORKSHOP ON INFORMATION AND ELECTRONICS ENGINEERING | 2012年 / 29卷
关键词：
Duffing oscillator; weak signal control; scanning signal; detection circuit;
D O I：
10.1016/j.proeng.2012.01.215
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, the principle and application of weak signal detection based on Holmes Duffing oscillator is introduced. The relationship between the state equation of Duffing oscillator and the control of signal by scanning is analyzed and the signal is detected. The simulation and design the circuit of weak signal detection are researched based on Duffing oscillator. Control experiments are carried out on the circuit with sine signal of different frequencies. We achieve the purpose of detecting weak period signal from noise background by scanning. This study is a useful exploration in Chaos control using engineering signal detection. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Harbin University of Science and Technology
引用
收藏
页码：1796 / 1802
页数：7
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