Datta, V. ; Prasad, V. H. ; Anand, G. V. (2009) Detection of transient signals in shallow ocean using suprathreshold stochastic resonance and wavelet packet transform 2009 International Symposium on Ocean Electronics (SYMPOL) . pp. 87-92.
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Official URL: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arn...
Related URL: http://dx.doi.org/10.1109/SYMPOL.2009.5664148
Abstract
In this paper, we propose the use of the phenomenon of suprathreshold stochastic resonance (SSR) in the detection of a transient signal in a noisy environment. An SSR pre-processor consisting of an array of 2-level quantizers is used to boost the SNR of the data before being transformed by a translation invariant wavelet packet transform (TIWPT). The maximum magnitude coefficient of the TIWPT output is used as a test statistic. Simulation results show that this detector performs better than a detector using a stochastic resonance (SR) pre-processor with a TIWPT detector.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to IEEE. |
| ID Code: | 89744 |
| Deposited On: | 30 Apr 2012 14:54 |
| Last Modified: | 27 Feb 2023 12:34 |
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