interpolate.help

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GSAC Command Reference Manual                                 INTERPOLATE

SUMMARY:
Resample the current traces in memory

INTERPOLATE [DELTA new_delta}

INPUT:
      DELTA new_delta	Define the new sample interval. This may be greater
		or less than the current DELTA of the trace.

DESCRIPTION:
	When comparing observed and synthetics quantitatively, the traces sample
	intervals must be identical. This routine permits a resampling at an 
	arbitrary new DELTA. The start time of the trace is maintained, but the 
	number of points and end time are changed. When the new_delta > the 
	original DELTA, it is best to lowpass filter the trace before 
	interpolating
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