Investigation of Range Profiles from a Simplified Ship on Rough Sea Surface and Its Multipath Imaging Mechanisms

Table 1

Comparison of simulated and expected range locations.

Peak	Current terms	Current	Ray theory	Error
		simulation	prediction
		Simulated (m)	Expected (m)
1°	𝐉𝑡0	−30.15	−30.1128	0.0372
2°	𝐉𝑡0	−29.7	−29.7128	−0.0128
3°	𝐉𝑡0	−25.65	−25.7128	−0.0628
4°	𝐉𝑡0	−22.05	−22.1128	−0.0628
5°	𝐉𝑡0	−4.5	−4.5227	−0.0227
6°	𝐉𝑡𝑑𝐉𝑠𝑑	−9.15	−9.1581	−0.0081
1′	𝐉𝑡0	−19.35	−19.3205	0.0295
2′	𝐉𝑡0	−18.3	−18.2399	0.0601
3′	𝐉𝑡0	−17.55	−17.5627	−0.0127
1′′	𝐉𝑡𝑑𝐉𝑠𝑑	−12.75	−12.7978	−0.0478
2′′	𝐉𝑡𝑑	−10.05	−10.1184	0.0684
3′′	𝐉𝑡𝑑𝐉𝑠𝑑	−0.9	−0.9194	−0.0194
4′′	𝐉𝑡𝑑𝐉𝑠𝑑	−0.15	−0.2422	0.0922
5′′	𝐉𝑠𝑑	4.5	4.5227	0.0227