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Table 1 Time domain song traits of L. migratoria migratoria

From: Application of insect songs in monitoring population density level of Locusta migratoria migratoria (Orthoptera: Acrididae)

  Number of samples Average Standard error Relative error (%) Utest value
Width of pulse A (ms) 187 15.45 0.25 1.7 5.329
Width of pulse B (ms) 187 17.74 0.36 2.1
Intervals between A and B (ms) 186 7.49 0.36 4.9  
Intervals between double pulses (ms) 186 73.1 1.5 2.1
Amplitude of pulse A (normalized) 187 0.293 0.019 6.3 11.68
Amplitude of pulse B (normalized) 187 0.0736 0.0036 4.9
Amplitude ratio A/B 187 4.12 0.25 6.0