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2013 | OriginalPaper | Chapter

25. Circuit Simulation Design of Duffing Chaotic Demodulator of OOK Modulation Signal

Authors : Jian-qun Han, Hong Sun

Published in: Informatics and Management Science IV

Publisher: Springer London

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Abstract

Duffing chaotic system has higher ability to detect weak periodic signals; moreover, it can also resist the disturbance of other carrier frequency signals very well, so it is suitable for demodulating OOK digital signals. But at present there is no relevant circuit design for Duffing system’s demodulating digital signals, therefore, in this paper, Duffing chaotic equations were combined with operational amplifier function, and simulation circuit was set up by method of decomposing equations. In addition, Duffing chaotic system demodulator was designed by the circuit design simulation software Multisim, which is applied innovatively into demodulation process of OOK digital modulation signals. Simulation results show that Duffing chaotic receiving system can demodulate OOK signals effectively.

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previous chapter Constant Modulus Blind Equalization Algorithm for Multi-Carrier Combining of Digital Phase-Locked Loop and Pilot Sequence
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Metadata
Title
Circuit Simulation Design of Duffing Chaotic Demodulator of OOK Modulation Signal
Authors
Jian-qun Han
Hong Sun
Copyright Year
2013
Publisher
Springer London
Book
Informatics and Management Science IV

Print ISBN: 978-1-4471-4792-3

Electronic ISBN: 978-1-4471-4793-0

Copyright Year: 2013

DOI
https://doi.org/10.1007/978-1-4471-4793-0_25

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