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20-90 days Bandpass Filter

Added by johnug N over 7 years ago

Hi,
I am trying to use 20-90 days bandpass filter and getting the following error. Has anyone met this before? Any suggestion?

cdo bandpass,365/90,365/20 daily.1972.nl.nc highpass.latent.nc

cdo bandpass (Abort): Float parameter >365/90< contains invalid character at position 4!

I have removed the 29Feb from original surface latent heat data.
Then I failed to filter the data.

Thanks.
Regards
Johnug


Replies (1)

RE: 20-90 days Bandpass Filter - Added by Uwe Schulzweida over 7 years ago

365/90 is an invalid parameter for this operator. The operator bandpass expects 2 float parameter. You have to divide 365/90 and pass the result to bandpass:

cdo bandpass,4.055555,18.25 daily.1972.nl.nc highpass.latent.nc

    (1-1/1)