Published June 30, 2015
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Fig. 2 in Identification of Sound-Producing Hydrophilid Beetles (Coleoptera: Hydrophilidae) in Underwater Recordings Using Digital Signal Processing
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Fig. 2. Five distress calls by Berosus pantherinus transformed into the frequency domain using the fast fourier transformation from 0–12,000 Hz (x-axis). Wide active frequency bands can be seen from 1,500–6,000 Hz and 7,000–9,500 Hz. The feature for distress calls is the sum of the data points between 1,000–6,000 Hz with an amplitude (y-axis) greater than 2.
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Published as part of Wilson, Nissa, Flinn, Michael B., West, Brian & Hereford, James, 2015, The Coleopterists Bulletin 69 (2) on pages 305-315, DOI: 10.1649/0010-065X-69.2.305, http://zenodo.org/record/5332337
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- Journal article: 10.1649/0010-065X-69.2.305 (DOI)
- Journal article: urn:lsid:plazi.org:pub:8E00FF94FFDFF670FF97904DFFBAFFAA (LSID)
- Journal article: https://zenodo.org/record/5332337 (URL)