The Waveform Suite

The Waveform Suite is a component of the GISMO Project.

A MATLAB toolbox that simplifies the importing, processing, and displaying seismic data.
The Waveform Suite allows easy data retrieval from a variety of sources and to make basic waveform research quick and easy. It is a toolset that allows the creation of more sophisticated programs without having to be concerned with all details. Features include:

• History feature tracks changes to your waveforms
• Plotting tools for waveforms
• Waveforms work for any regularly sampled data stream
• Mathematical functions make manipulating easier: +, -, /, .*, .^
• Standard manipulations: filter, crop, subset, subset, stack, normalize, automatic gain control, demean, detrend, taper, etc.
• Statistics: max, min, mean, median, etc.
• Waveform operations: hilbert transform, integration and differentiation
• Operates N-dimensional waveforms (in most cases without requiring loops)
• Object architecture provides a stable base for writing more complex programs

Data can be imported from Antelope databases (via the BRTT Antelope toolbox), Winston databases, the IRIS-DMC, SAC files, SEISAN, .mat files, or your own homegrown file format. With minimal coding, most any homegrown MATLAB format can take advantage of waveform architecture. The core suite consists of a scnlobject class, a datasource class, and the waveform class.
Two basic additional utility classes come with the waveform toolbox: filterobject and spectralobject. Filterobject allows easy filtering. Spectralobject allows easy manipulation of parameters used to create spectrograms.

The waveform suite:

• makes playing with data easier by automating the tedious aspects of data manipulation
• makes programs more stable by ensuring proper data typing
• makes code more portable by reading multiple formats and functioning on multiple systems
• makes troubleshooting faster by providing more detailed messages and warnings

Additional information can be found from the online examples and help files at:
http://kiska.giseis.alaska.edu/Input/celso/matlabweb/waveform_suite/waveform.html

The Waveform Suite and related codes can also be discussed at:
http://groups.google.com/group/gismotools

As always, Comments are welcome, as are reviews and bug reports. Thanks!