Trace DSP

Command line program to perform time series signal processing.

Input formats can be either miniSEED or SAC.

Download source code from the Files section.

Communityware: No official IRIS support is expressed or implied, bug reports gladly received.

Operations supported:¶

• Low-pass filter (with specified order), double or single pass options
• High-pass filter (with specified order), double or single pass options
• Band-pass filter (with specified orders), double or single pass options

• Remove instrument response
  • Using evalresp with specified SEED RESP files
  • Using Poles and Zeros (SAC convention)
  • Using specified frequency range or automated determination

• Differentiate using 2 point (uncentered) method
• Integrate using trapezoidal (midpoint) method
• Remove mean from time series
• Scale the data samples by a specified factor
• Scale the data samples by inverse of specified factor
• Decimate time series by specified factor
• Apply symmetric taper to time series with specified width and method
• Apply a Maclaurin type polynomial with given coefficients
• Calculate envelope of time series
• Trim time series to latest start and earliest end
• Rotate component sets, 2-D or 3-D

• Calculate simple time series statistics
  • minimum, maximum, mean, standard deviation, RMS

Further descriptions are given in the man page included with the source code.