Table 3 Parameter settings of 1st-level optimization on bilinear SSP
Parameter | Value |
|---|---|
Surface sound speed \(v_{\text{s}}\) | 1500 m/s with STD 5 m/s |
Shallow-water sound speed gradient \(g_{\text{u}}\) | − 0.1 with STD 100 |
Deep-water sound speed gradient \(g_{\text{d}}\) | 0.01 with STD 100 |
Bottom sound speed | 1486.62 m/s with STD 0.01 m/s |