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Figure 4


Fig. 4. Echolocation behaviour along the hedge (means ± s.d.) in segments of 1 m. (A) pulse interval; (B) pulse duration; (C) bandwidth of the first harmonic; (D) Doppler ranging error; (E) width of the cross correlation function (CCF) envelope, i.e. inverse measure of Doppler ranging acuity, for a flight speed of 6 m s–1.