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PHOENIX-2: A New Broadband Spectrometer for Decimetric and Microwave Radio Bursts: Acoustic Spectrum Representation View all abstracts by submitter

Peter Messmer   Submitted: 1999-11-15 14:03

A broad-band radio spectrometer measures radio flux density as a function of observing frequency and time. This data should be represented in such a way, that emission patterns, both in frequency and time as well as their dynamics, can be detected and analyzed. The common displaying method plots the color coded flux in a frequency-time plan. This representation is well adapted to the localization and feature detection capabilities of the human visual system. Here we present an acoustic rendering, exploiting the frequency analysis features of hearing.Although most people do not have the absolute pitch, they still can distinguish tones relatively, telling which note is higher or lower. Beside frequency resolution, differences in loudness are distinguishable, though merely on a logarithmic scale. The acoustic representation may therefore be a tool to detect the dynamics of radiation patterns. The above stated deficiencies of hearing prevent the acoustic representation from being an exploratory scientific tool. Nevertheless it might be a supplement in a pedagogical context, where different views of the same phenomenon can deepen the understanding more then accurate numbers.

Authors: Messmer, P., Benz, A.O., Monstein, C.
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Publication Status: Solar Physics 187 (2), Multimedia-Extension (CD-ROM), 1999
Last Modified: 1999-11-15 14:03
Go to main E-Print page  The Scaling of Solar Flare Hard X-ray Emission to Other Flaring Objects in the Universe  PHOENIX-2: A New Broadband Spectrometer for Decimetric and Microwave Radio Bursts: First Results
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