Figure 6From: Multiharmonic Frequency Tracking Method Using The Sigma-Point Kalman Smoother(a) Spectrogram of a residual signal using the EKS tracking of an intermittent rhythmical signal. (b) Spectrogram of a residual signal using the FBSL-SPKS tracking of an intermittent rhythmical signal.EKS residuals at SNR = −3FBSL-SPKS residuals at SNR = −3Back to article page