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Table 2 Relative MAE (%) for the estimation of the second instantaneous frequency, f 2 ( t )

From: Basis approach to estimate the instantaneous frequencies in multicomponent AM-FM signals

SNR EEMD-HT QHM Proposed method
0.17 0.03 0.09
30 dB 0.46 0.24 0.19
10 dB 21.54 8.30 3.23