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  • Overview - PITSA - IRIS SeisCode
    like shifting or scaling of traces adding or concatenating traces stacking and more Internally PITSA uses a data format designed towards the needs of earthquake seismology In addition the input of plain ASCII and SEED files is possible PITSA contains a menu based user interface utilizing dialog boxes and pop up menus Please note that there are two tar binary files one is SOURCE Code bundled called PITSA source tar

    Original URL path: https://seiscode.iris.washington.edu/projects/pitsa (2015-06-03)
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  • Overview - rfsyn - IRIS SeisCode
    algorithm assuming a plane wave incident from below Author s Jeffrey Park Vadim Levin Description The code reads a 1D model of velocity density and anisotropy layers with depth computes 3 components of motion for the response of this model to an incident compressional pulse On output the code computes receiver functions from the division of smoothed spectra of respective components Adjusts for the phase velocity and BAZ of the

    Original URL path: https://seiscode.iris.washington.edu/projects/rfsyn (2015-06-03)
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  • Overview - recfunk09_pick - IRIS SeisCode
    Mac OS X and G77 compiler Author Vadim Levin Description An update to the recfunk ascii code this version has been adapted to the Mac OS X and G77 compiler New features take advantage of SAC headers to allow users to perform extra manipulations of data This package consists of code compiled for the Mac the source code shell scripts that support analysis and plotting and a short practical guide

    Original URL path: https://seiscode.iris.washington.edu/projects/recfunk09-pick (2015-06-03)
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  • Overview - OregonDSP - IRIS SeisCode
    is a collection of 44 Java classes that design and implement finite impulse response FIR and infinite impulse response IIR digital filters Supporting classes implement complex and real fast Fourier transforms FFTs and the overlap add algorithm for filtering a continuous stream in a series of consecutive contiguous blocks with an FIR filter Additional Download Location OregonDSP is available from the Scala project on Google Code This may have a

    Original URL path: https://seiscode.iris.washington.edu/projects/oregondsp (2015-06-03)
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  • Overview - Parameter Estimation and Inverse Problems Example Code and Associated Subroutines - IRIS SeisCode
    edition of the textbook Parameter Estimation and Inverse Problems by R Aster B Borchers and C Thurber This text introduces both Classical and Bayesian approaches to linear and nonlinear problems with particular attention paid to computational mathematical and statistical issues related to their application to geophysical problems The code reproduces all figures and examples from the book and provides useful templates and subroutines that can be adopted for solving other

    Original URL path: https://seiscode.iris.washington.edu/projects/peipcode (2015-06-03)
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  • Overview - Trace DSP - IRIS SeisCode
    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

    Original URL path: https://seiscode.iris.washington.edu/projects/tracedsp (2015-06-03)
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  • Overview - Seismic Handler - IRIS SeisCode
    Overview Homepage http www seismic handler org The Seismic Handler software package is a seismic waveform analysis tool There is an interactive part Motif version for observatory purposes e g daily routine analysis and a command line version for scientific research Online documentation tutorials source code and installation program are available on http www seismic handler org Homepage http www seismic handler org Category Data Processing Language C C Keywords

    Original URL path: https://seiscode.iris.washington.edu/projects/sh (2015-06-03)
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  • Overview - TauP - IRIS SeisCode
    time calculator In addition to travel times it can calculate derivative information such as ray paths through the earth pierce and turning points It handles many types of velocity models and can calculate times for virtually any seismic phase with a phase parser Homepage http www seis sc edu taup index html Category Data Processing Language Java Keywords travel time ray path sac Citation Crotwell H P T J Owens

    Original URL path: https://seiscode.iris.washington.edu/projects/taup (2015-06-03)
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