[Retracted] Analysis of VLF Wave Field Components and Characteristics Based on Finite Element Time-Domain Method

Figure 5

Waveforms at the receiving position (400 m, 380 m); FETD (solid line) and SEM (dot line). (a) Horizontal sea bottom. (b) Uphill sea bottom. (c) Downhill sea bottom.

(a)

(b)

(c)