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  1. ObsPy Documentation (1.2.0)
  2. ObsPy Library Reference
  3. obspy.signal - Signal processing routines for ObsPy
  4. obspy.signal.polarization

obspy.signal.polarization.particle_motion_odr

particle_motion_odr(stream, noise_thres=0)[source]

Computes the orientation of the particle motion vector based on an orthogonal regression algorithm.

Parameters:
  • stream (Stream) ZNE sorted trace data
  • noise_tres variance of the noise sphere; data points are excluded when falling within the sphere of radius sqrt(noise_thres)
Returns:

azimuth, incidence, error of azimuth, error of incidence