Research Article
Spectral Biomimetic Technique for Wood Classification Inspired by Human Echolocation
Table 4
Summary of acoustic parameters of natural pulses from three different wood species.
| Wood | Acoustic parameters (mean standard deviation) | 1 (Hz) | 2 (Hz) | 3 (Hz) | RT (ms) | (dB) |
| Chestnut | | | | | | Cherry | | | | | | Maple | | | | | |
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1, 2, 3: frequency bands (Hz); RT: rise time (ms); : intensity (dB).
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