Dynamic Response and Its Frequency Domain Characteristics of Lateritic Soil Subgrade under Traffic Load during Construction

Table 3

Average value of PSD in each frequency band at 50 cm measuring point.

Number of frequency bands	1	2	3	4	5
Frequency range (Hz)	0–40	40–80	80–160	160–320	320–640
Number of wavelet reconstruction layers	a4	d4	d3	d2	d1
PSD (m^2/s^2)	1.2161	0.8538	3.5504	4.4297	1.6456