Preliminary Application of Scale Transformation Stochastic Resonance in Dual-Sequence Frequency Hopping System

Aiming at the detection failure of strong noise interference in the dual channel of the dual-sequence frequency hopping (DSFH), the scale transformation stochastic resonance (STSR) is applied for the first time, and the output signal to noise ratio (SNR) is raised effectively, at the same time, the...

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Bibliographic Details
Published in:Shanghai jiao tong da xue xue bao 2019-12, Vol.24 (6), p.775-781
Main Authors: Liu, Guangkai, Sun, Huixian, Quan, Houde, Cui, Peizhang, Zhu, Shilei, Chi, Kuo
Format: Article
Language:English
Subjects:
Algorithms
Architecture
Computer Science
Computer simulation
Electrical Engineering
Engineering
Frequency hopping
Intermediate frequencies
Life Sciences
Matching
Materials Science
Probability density functions
Radio frequency
Resonance
Signal to noise ratio
Stochastic resonance
Stochasticity
Transformations (mathematics)
Citations: Items that this one cites
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Summary:Aiming at the detection failure of strong noise interference in the dual channel of the dual-sequence frequency hopping (DSFH), the scale transformation stochastic resonance (STSR) is applied for the first time, and the output signal to noise ratio (SNR) is raised effectively, at the same time, the symbol reception is completed for DSFH at low input SNR. Firstly, the radio frequency (RF) and intermediate frequency (IF) signals are analyzed based on the super-heterodyne reception of DSFH; secondly, the equations of probability density function (PDF), output power spectrum and SNR of the STSR output are derived for the IF signal; finally, the algorithm of the optimal matching STSR is proposed with the optimal matching parameters. The simulation results show that the algorithm can effectively solve the detection failure, as the global output SNR of DSFH is strongly improved that the output SNR can reach −17.72 dB when the input SNR is −20 dB after the processing of the optimal matching STSR.
ISSN:1007-1172
1995-8188
DOI:10.1007/s12204-019-2136-9