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Weak Signal Detection Based on Cascade Adaptive Stochastic Resonance
DEStech Transactions on Materials Science and Engineering
The gain of the output signal-to-noise ratio (SNR) is insufficient in traditional stochastic resonance (SR) method to detect weak signals. In order to obtaining a higher SNR gain, a kind of signal detection method of adaptive stochastic resonance that use cascade system is proposed. To achieve the optimal output, stochastic resonance parameters adjustment is transformed into the multi-parameter optimization of particle swarm optimization. The optimal result in weak signal detection can bedoi:10.12783/dtmse/mmme2016/10117 fatcat:2bfxelpbabfonftlbvh3fid4ee