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The use of symmetric quartic potential well for noise filtering

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Gunes, Nurhan, Higgins, Matthew D. and Leeson, Mark S. (2018) The use of symmetric quartic potential well for noise filtering. Fluctuation and Noise Letters, 17 (3). 1850019. doi:10.1142/S0219477518500190

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Official URL: https://doi.org/10.1142/S0219477518500190

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Abstract

In this letter, a symmetric quartic potential well is considered for use as a low-pass filter in BPAM receivers. By using the BPAM input to force a change in the shape of the well, the output can be considered as the position of a particle in the well. The potential well has been designed to pass the BPAM signal and suppress the background noise. Within the paper, DC gain and cut-o. frequency are defined where the potential well is subject to a noise free single pulse. The effects of the background noise are also discussed. These initial results are applicable to other pulse modulation methods. Moreover, it is revealed that the cut-o. frequency plays a significant role on the BPAM detector. Finally, a new result for the probability of error is introduced which clearly shows that the potential well filters out the background noise as much as a lowpass Butterworth filter does.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Pulse amplitude modulation, Resonators
Journal or Publication Title: Fluctuation and Noise Letters
Publisher: World Scientific Publishing
ISSN: 0219-4775
Official Date: 9 May 2018
Dates:
DateEvent
9 May 2018Published
1 March 2018Accepted
Volume: 17
Number: 3
Article Number: 1850019
DOI: 10.1142/S0219477518500190
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): Electronic version of an article published as Fluctuation and Noise Letters 2018 17:03 © [copyright World Scientific Publishing Company] https://www.worldscientific.com
Access rights to Published version: Restricted or Subscription Access
Copyright Holders: World Scientific Publishing Company

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