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Table 2 Contrast experiment results

From: Adaptive parameter-tuning stochastic resonance based on SVD and its application in weak IF digital signal enhancement

Signal SNR (dB) Traditional method Proposed method ΔYI (dB)
Fixed parameter YI (dB) Optimal parameter YI (dB)
2ASK − 5 1000 5.44 5545 13.64 + 8.2
− 10 7.26 6976 15.13 + 7.87
− 15 3.37 6037 10.55 + 7.18
BPSK − 5 1000 5.03 8329 13.34 + 8.31
− 10 6.98 8003 14.65 + 7.67
− 15 4.86 8536 10.68 + 5.82
16QAM − 5 1000 5.03 5067 12.53 + 7.5
− 10 6.64 6543 14.36 + 7.72
− 15 3.94 5500 10.44 + 6.5