11.2.1. obspy.signal.trigger.recSTALTA

recSTALTA(a, nsta, nlta)[source]

Recursive STA/LTA.

Fast version written in C.

Note :

This version directly uses a C version via CTypes

Parameters:
  • 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

Returns:

Characteristic function of recursive STA/LTA

See also

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

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