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(a) Block diagram of the 3-stage IRM method. IB stands for the signal at the input of the IRM block, OB for the signal at the output of the IRM block. The SNRiter_1 stands for the SNR after first iteration. (b) Signals at different steps of the IRM stage: (1) IB signal in 1st iteration, (2) EMG noise approximation, (3) OB signal after 1st iteration, (4) signal at the end of the processing stage (3 iterations). Presented is the signal with SNRiter_1=4.5 dB.
