Figure 3
From: Robust Time-Frequency Distributions with Complex-Lag Argument

Time-frequency representations for signal y(n) by using: (a) the L-estimate WD, (b) the L-estimate RCTDN=4 and (c) the L-estimate RCTDN=6
From: Robust Time-Frequency Distributions with Complex-Lag Argument
Time-frequency representations for signal y(n) by using: (a) the L-estimate WD, (b) the L-estimate RCTDN=4 and (c) the L-estimate RCTDN=6