12.2.1. obspy.signal.trigger.recursive_sta_lta

recursive_sta_lta(a, nsta, nlta)[source]

Recursive STA/LTA.

Fast version written in C.


This version directly uses a C version via CTypes

  • a (numpy.ndarray, dtype=float64) Seismic Trace, numpy.ndarray dtype float64
  • nsta (int) Length of short time average window in samples
  • nlta (int) Length of long time average window in samples
Return type:

numpy.ndarray, dtype=float64


Characteristic function of recursive STA/LTA

See also

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