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obspy.signal.trigger.recursive_sta_lta_py

recursive_sta_lta_py(a, nsta, nlta)[source]

Recursive STA/LTA written in Python.

Note

There exists a faster version of this trigger wrapped in C called recursive_sta_lta() in this module!

Parameters:
  • a (NumPy ndarray) Seismic Trace
  • nsta (int) Length of short time average window in samples
  • nlta (int) Length of long time average window in samples
Return type:

NumPy ndarray
Returns:

Characteristic function of recursive STA/LTA

See also

[Withers1998] (p. 98) and [Trnkoczy2012]