Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/16591
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Type: Journal article
Title: Evaluation of bistable systems versus matched filters in detecting bipolar pulse signals
Author: Duan, F.
Abbott, D.
Gao, Q.
Citation: Fluctuation and Noise Letters, 2005; 5(2):L127-L142
Publisher: World Scientific Publishing Co. Pty. Ltd.
Issue Date: 2005
ISSN: 0219-4775
1793-6780
Statement of
Responsibility: 
Fabing Duan, Derek Abbott and Qisheng Gao
Abstract: This paper presents a thorough evaluation of a bistable system versus a matched filter in detecting bipolar pulse signals. The detectability of the bistable system can be optimized by adding noise, i.e. the stochastic resonance (SR) phenomenon. This SR effect is also demonstrated by approximate statistical detection theory of the bistable system and corresponding numerical simulations. Furthermore, the performance comparison results between the bistable system and the matched filter show that (a) the bistable system is more robust than the matched filter in detecting signals with disturbed pulse rates, and (b) the bistable system approaches the performance of the matched filter in detecting unknown arrival times of received signals, with an especially better computational efficiency. These significant results verify the potential applicability of the bistable system in signal detection field.
Keywords: Bistable system; matched filter; signal detection statistics; robust; computational efficiency
Description: © World Scientific Publishing Company
RMID: 0020051000
DOI: 10.1142/S0219477505002483
Appears in Collections:Electrical and Electronic Engineering publications

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