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Fig. 5 | Animal Biotelemetry

Fig. 5

From: Passive kHz lidar for the quantification of insect activity and dispersal

Fig. 5

Top: the retrieved waveforms from an insect in the eastern- and western segments of the detector. As one waveform is kept fixed, the other is gradually displaced with increasing time delay. At each point, the correlation between the two waveforms is calculated. Bottom: the correlation as a function of displacement, or time delay, between the two waveforms. The time delay τ, which is the weighted average of τew and τud, corresponding to the maximum correlation is used to determine the distance to the insect according to Eq. 1

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