A rigorous real-time acoustic positioning method for ocean bottom seismic exploration

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Table 4 The posterior standard deviation of positioning models in method 1 to method 7

Point name	Standard deviation σ₁ of method 1 (m)	Standard deviation σ₂ of method 2 (m)	Standard deviation σ₃ of method 3 (m)	Standard deviation σ₄ of method 4 (m)	Standard deviation σ₅ of method 5 (m)	Standard deviation σ₆ of method 6 (m)	Standard deviation σ₇ of method 7 (m)
G1	0.007	0.006	0.192	0.216	1.146	0.195	0.224
G2	0.007	0.005	0.215	0.227	1.154	0.219	0.233
G3	0.009	0.010	0.237	0.212	1.133	0.241	0.199
G4	0.009	0.003	0.250	0.190	1.120	0.251	0.199
G5	0.004	0.002	0.256	0.128	1.039	0.257	0.131
G6	0.007	0.006	0.256	0.134	0.982	0.261	0.139
G7	0.008	0.003	0.250	0.113	0.980	0.256	0.114
G8	0.006	0.004	0.237	0.086	1.136	0.241	0.088
G9	0.009	0.005	0.214	0.064	1.090	0.217	0.068
G10	0.004	0.002	0.190	0.053	1.047	0.193	0.056