E-ISSN 2705-3954 | ISSN 0794-4756
 
2025, Vol: 32, Issue: 3
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Original Research 


Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance

Bello Ibrahim Usama, Hamza Mustapha, Gaddafi Sani Shehu.


Abstract
A numerically study of low frequency signal recognition is enhanced by the high frequency signal in duffing oscillator, via the so called vibrational resonance phenomena. The system described the motion of a particle in cubic periodic potential, influenced by constant damping and external input excitations. From the perspectives of the temporal and frequency analyses, we demonstrated that varying the amplitude of the high frequency signal improves the detection of the low frequency signal in our system. Moreover, we showed how the constant damping coefficient control the detection and enhancement of the signal in the system.

Key words: Duffing Oscillator, Subthreshold Signal Detection, Vibrational Resonance


 
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How to Cite this Article
Pubmed Style

Usama BI, Mustapha H, Shehu GS. Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. NJE. 2020; 27(3): 23-27.

Web Style

Usama BI, Mustapha H, Shehu GS. Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. https://www.njeabu.com.ng/?mno=87094 [Access: June 22, 2026].

AMA (American Medical Association) Style

Usama BI, Mustapha H, Shehu GS. Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. NJE. 2020; 27(3): 23-27.


Vancouver/ICMJE Style

Usama BI, Mustapha H, Shehu GS. Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. NJE. (2020), [cited June 22, 2026]; 27(3): 23-27.


Harvard Style

Usama, B. I., Mustapha, . H. & Shehu, . G. S. (2020) Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. NJE, 27 (3), 23-27.


Turabian Style

Usama, Bello Ibrahim, Hamza Mustapha, and Gaddafi Sani Shehu. 2020. Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. Nigerian Journal of Engineering, 27 (3), 23-27.


Chicago Style

Usama, Bello Ibrahim, Hamza Mustapha, and Gaddafi Sani Shehu. "Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance." Nigerian Journal of Engineering 27 (2020), 23-27.


MLA (The Modern Language Association) Style

Usama, Bello Ibrahim, Hamza Mustapha, and Gaddafi Sani Shehu. "Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance." Nigerian Journal of Engineering 27.3 (2020), 23-27. Print.


APA (American Psychological Association) Style

Usama, B. I., Mustapha, . H. & Shehu, . G. S. (2020) Subthreshold Signal Detection and Enhancement in Duffing Oscillator via Vibrational Resonance. Nigerian Journal of Engineering, 27 (3), 23-27.


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Nigerian Journal of Engineering

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