obspy.signal.filter.lowpass_fir

lowpass_fir(data, freq, df, winlen=2048)[source]

FIR-Lowpass Filter. (experimental)

Warning

This is experimental code. Use with caution!

Filter data by passing data only below a certain frequency.

Parameters:
  • data (numpy.ndarray) Data to filter.
  • freq Data below this frequency pass.
  • df Sampling rate in Hz.
  • winlen Window length for filter in samples, must be power of 2; Default 2048
Returns:

Filtered data.

New in version 0.6.2.