obspy.signal.filter.lowpass_fir

lowpass_fir(data, freq, df, winlen=2048)

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.