Figure 5
(a, left) Time series of integrated signals in 3–8 km heights (b, right) FFT power of signal of Fig. (5a) with the major peak at 32.5 min and a minor peak at 16.2 min.
Figure 5 | Scientific Reports
(a, left) Time series of integrated signals in 3–8 km heights (b, right) FFT power of signal of Fig. (5a) with the major peak at 32.5 min and a minor peak at 16.2 min.
