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Weak Signal Detection Based on Duffing Oscillator
2008 Edition, Volume 1, December 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The capability of conventional detection method such as power spectral density is limited while detecting periodic signals buried in the noise and deciding accurate frequency, the chaotic oscillator can increase the detection ability of weak...

Reliability analysis of weak signal detection based on Duffing oscillator
2011 Edition, November 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Chaotic system is sensitive to weak signals with the same frequency as the driving force, and is also immune to noise. Ever since Brow first proposed Duffing oscillator being used to detect weak signal[1], a great deal of research have been...

Notice of Retraction: A Method of Weak Signal Detection Based on Duffing Oscillator
2010 Edition, January 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This article has been retracted by the publisher.

The Research of Weak Fault Signal Detection Based on the Duffing Oscillator Coupled Synchronization
2011 Edition, October 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper is concerned with the weak signal detection based on the Duffing chaotic model. To solve the problem of low SNR in traditional testing methods, a method of detecting weak signals based...

Weak Signal Detection by Duffing Oscillator Based on Improved Circle Zone Partition Method
2015 Edition, Volume 1, August 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

To solve the complex computation and time consuming problem when determining the threshold value of chaos state of Duffing oscillator using Melnikov method and Lyapunov exponent method, improved circle zone partition (ICZP) method is presented to...

Weak target detection based on complex Duffing oscillator for HFSWR
2016 Edition, July 1, 2016 - TCCT

The high frequency surface wave radar (HFSWR) plays an important role in marine surveillance. However, the weak targets detection for HFSWR is a hard problem. To address such a problem, this paper focuses on the weak target detection method,...

Weak Signal Detection Study Based on Duffing Chaos Circuit Used for Downhole Communication
2010 Edition, July 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Weak signal detection is very important in the downhole acoustic telemetry system. This paper introduces the Duffing oscillator weak signal detection method for the downhole acoustic telemetry systems. First, by solving the...

Detection Method of Eliminating False Alarm Caused by Noise Based on Variable Damping Ratio
2018 Edition, September 1, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A detection method based on variable damping ratio is proposed for the problem of Duffing chaotic oscillator system's false alarm detection generated by noise. The Duffing oscillator detection method has the...

Feature extraction method for weak mechanical fault signal based on double coupled Duffing oscillator and EMD
2016 Edition, November 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A new feature extraction method for early weak mechanical fault signal is proposed, which is based on the combination of double coupled Duffing oscillator (DCDO) and empirical mode decomposition (EMD). Firstly, machine fault...

Incipient fault detection of rolling bearing based on duffing oscillator
2009 Edition, July 1, 2009 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The incipient periodic fault characteristic signals of rolling bearing are very weak, and the useful signals submerged in the noise are difficult to be detected. A method based on Duffing oscillator is presented to diagnose the...

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