Cicada song,wavelet graph

Numéro d’image : 11594989
Cicada song,wavelet graph
Cicada song,wavelet graph. This image was produced by converting the sound frequencies of a singing male cicada (Tibicen similaris) into a graph using a mathematical process known as wavelets. Wavelets reveal structure and detail that are not always visible in standard graphs of frequency over time (known as a spectrogram). This image has been plotted as a polar coordinate (circular) graph but wavelet graphs can also be in rectangular form. Male cicadas produce a very loud 'song' by vibrating a membrane organ on their bodies called a tympana. Each species produces its own unique song. Image created by Mark Fischer from Aguasonic Acoustics,USA
Licence : Droits gérés
Crédit: Science Photo Library / Aguasonic Acoustics
Taille de l’image : 4320 px × 4320 px
Model Release : Non requis
Property Release : Non requis
Restrictions :
  • Not for posters or prints use

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