Table 1 Time domain song traits of L. migratoria migratoria
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 |