Figures & data
Figure 1. Two-dimensional (2D) engineering drawing of the termite detection system, (a) front view; (b) bottom view.
Figure 2. One example of an acoustic signal generated by termite infestation, (a) the termite acoustic signal contains background noise; (b) the purified termite acoustic signal after passing through the noise filter.
Figure 3. Termite activity for 24 h of monitoring.
Figure 4. The length of termite activity duration in various populations.
Figure 5. The average temperature fluctuations (i.e. ambient, infested, and uninfested) from a continuous record during 24 h.
Figure 6. The plot of the termite population against board temperature, the black dotted line indicates the best fit of the polynomial regression model.
Figure 7. Nonlinear correlation driven by polynomial regression model between the temporal energy and board temperature.
Data availability statement
The data supporting the findings of this study are openly available in Mendeley Data Repository with DOI at http://dx.doi.org/10.17632/n8scbwn6dc.2.