Physics – Data Analysis – Statistics and Probability
Scientific paper
2010-08-08
Physics
Data Analysis, Statistics and Probability
11 pages, 4 figures, program URL: http://www.nbi.dk/~czerwin/TimeSeriesStreaming.html
Scientific paper
10.1016/j.cpc.2010.10.019
With modern data acquisition devices that work fast and very precise, scientists often face the task of dealing with huge amounts of data. These need to be rapidly processed and stored onto a hard disk. We present a LabVIEW program which reliably streams analog time series of MHz sampling. Its run time has virtually no limitation. We explicitly show how to use the program to extract time series from two experiments: For a photodiode detection system that tracks the position of an optically trapped particle and for a measurement of ionic current through a glass capillary. The program is easy to use and versatile as the input can be any type of analog signal. Also, the data streaming software is simple, highly reliable, and can be easily customized to include, e.g., real-time power spectral analysis and Allan variance noise quantification.
Czerwinski Fabian
Oddershede Lene B.
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