obspy.signal.trigger.delayed_sta_lta

delayed_sta_lta(a, nsta, nlta)[source]

Delayed STA/LTA.

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 delayed STA/LTA

See also

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