filter
Applies a Butterworth filter to the seismograms. The filterType can be CAUSAL or NONCAUSAL or TWOPASS, with the last two being equivalent and NONCAUSAL being the default. The default number of poles is 2.
Example
<filter> <lowFreqCorner> <value>50</value> <unit>SECOND</unit> </lowFreqCorner> <highFreqCorner> <value>5</value> <unit>HERTZ</unit> </highFreqCorner> </filter>
This consists of
Places this can be found
In seismogramProcess there is a choice between all of the following
- printlineSeismogramProcess
- sacWriter
- mseedWriter
- asciiWriter
- recordSectionDisplayGenerator
- responseGain
- phaseCut
- requestCut
- merge
- gapFill
- rMean
- rTrend
- taper
- externalWaveformProcess
- seismogramScript
- localSeismogramTemplateGenerator
- filter
- rms
- oregonDSPFilter
- forkProcess
- alwaysSuccess
- phaseSignalToNoise
- compoundPhaseSignalToNoise
- seismogramImageProcess
- legacyExecute
- seismogramAND
- seismogramOR
- seismogramNOT
- someDataCoverage
- noDataGaps
- fullDataCoverage
- integrate
- differentiate
- transferResponse
- collapseOverlaps
- div
- mul
- invertFlippedChannels
- seismogramSampling
- decimate
- stddev
- rms
- mean
- minMax
- compressionType
- availableDataPlus