Sonification for the Analysis of Plasma Bubbles at 21 MHz

Details Sonification for the Analysis of Plasma Bubbles at 21 MHz Sonification for the Analysis of Plasma Bubbles at 21 MHz

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008sunge...3...42d&link_type=abstract

Sun and Geosphere, vol.3, no.1, p.42-45

Computer Science

Sound

Scientific paper

This research explores sonification - the assigning a sound to a data stream - as a useful tool for space science data exploration. In this research the authors use the xSonify Java-based tool, developed to explore space data using sound, to analyze radio data at 20.1 MHz for the formation of irregularities in the ionosphere. The data was audified in real time, and the power spectra sonified to expose discrete resonances, combs and bands. Since our telescopes are relatively insensitive, a time series analysis will not reveal much about the ionosphere, but a frequency domain analysis, especially over a particular range, will reveal some very interesting features interpretable in terms of radio twinkling. Sonification lead the authors to notice changes at ionospheric recombination time (3Z) that were characterized using FFT algorithms.

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