SOFTWARE TOOLS for passive tomography instruments

SOFTWARE TOOLS for passive
tomography instruments
Several software tools have been created for making simple, user friendly use of
our passive seismic tomography instruments. Based on years of field experience,
we know that the field operator needs easy of use software to provide detailed
signal plots, basic signal processing, instrument state of health plot, seismic signal
quality check, thus making his fieldwork easier, faster and more accurate. We
know also that a lot of the time, the field operator has to work under difficult
conditions in difficult natural environments, so he needs to have a fast and clear
view of each instrument operation to assist with collection of high quality data.
Seismograph signal inspection in the jungle
environment
Bearing all the above in mind, we have designed and implemented several easy
to use software tools for our instruments. The software tools help the operator
carry out quick checkups the seismic station during installation, check the sensor/
digitizer tests as well as post seismic station checks during the data retrieval /
maintenance period.
1. DataViewer: Software for opening/processing the data files
2. Data monitor: Software for real time data plot
3. Data Converter: Software for data conversion to MiniSeed format (other format available under request)
4. Helicorder: Software for 24h data plot
The DataMonitor
The DataMonitor is a software tool that
receives the recorder’s real time datastream and plots it on the PC’s screen. Each
channel’s signal is plotted in a separate
window, in green, yellow, and red colors.
The DataMonitor provides several other
options:
The DataMotitor tool
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Zoom in/out in X and Y axis
Autoscale / manual scale plot
Auto scale function
Remove DC function
State of health monitoring
DataMotitor tool in the field
The DataViewer
The Data Viewer is a software tool that plots the seismic data files of
our digitizers/recorders. The DataViewer tool provides several options:
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Detailed waveform seismic signal plot
User friendly menu
Zoom in/out in X and Y axis, or in selected area
File header information plot
Seismic data plot in HEX or DEC format
Import data in other seismic formats (miniSEED, sac)
Signal filtering (all file’s data or selected area’s data)
Signal Spectrum plot (all file’s data or selected area’s data)
Signal Processing (P-wave, S-wave, coda)
Quick seismic event analysis (magnitude, distance)
Fully customizable window view
Ability to Plot data in real time
The DataViewer software tool
Seismic Event quick analysis
SOFTWARE TOOLS for passive tomography instruments
The Helicorder
The Helicorder is a software tool that plots 24 hours of seismic data on the screen. Gives the operator a clear picture of the
seismicity and the noise at the installation site. The graph is read from left to right and top to bottom (this is the direction that
time increases). As with reading a book, the right end of any horizontal line "connects" with the left end of the line below it. By
double-clicking on each trace, the DataViewer opens the seismic signal automatically.
The DataConverter
DataConverter is a software tool that converts the CORE32 format seismic data to
other common seismic formats. The most common miniSEED and the sac seismic formats are supported as well as ASCII format. Optionally, other seismic formats can be
included to the converter. The user has just to select the source of the CORE32 data
and it will automatically be converted into the selected format. The converted data
will be organized like the original, keeping their folder form.
Landtech Geophysics Ltd Ty Menter Navigation Park Abercynon CF45 4SN United Kingdom
Tel: +44 (0)2921 660272, Fax: +44 (0)8707 303 051, E-mail: [email protected]
When the Earth whispers we are there!!!
www.landtech-geophysics.com & www.landtechsa.com