How to plot 2D and 3D (CWT) spectrograms

I’m want to draw 2D and 3D spectrograms for these two files with paraview (based on Continuous Wavelet Transform (CWT) and mother wavelet: cmor ) my signal frequency is 128Hz.
Would you please guide me to know how I can do that?
my data doesn’t have time step and I encounter this error:
“no time steps in input data!”
1 (1).csv (3.1 MB)
1 (2).csv (3.1 MB)