Two-Dimensional Far Field Source Locating Method with Nonprior Velocity

Table 4

Results of contrast experiments.

Experiment number	Iteration number of OLD method	Optimum of OLD method	Error of OLD method between and true value	Iteration number of NEW method	Optimum of NEW method	Error of NEW method between and true value
1	100	2569.7434	−430.2566	17	2614.70	−385.30
2	100	2665.3755	−334.6245	13	2614.70	−385.30
3	90	2306.9505	−693.0495	18	2614.70	−385.30
4	100	2237.0807	−762.9193	16	2614.70	−385.30
5	71	2205.2818	−794.7182	13	2614.70	−385.30
6	99	2660.2377	−339.7623	6	2614.70	−385.30
7	100	2476.904	−523.096	15	2614.70	−385.30
8	100	2204.2403	−795.7597	14	2614.70	−385.30
9	67	2474.3871	−525.6129	17	2614.70	−385.30
10	35	2165.6936	−834.3064	16	2614.70	−385.30
11	100	2573.8501	−426.1499	25	2614.70	−385.30
12	75	2475.6581	−524.3419	19	2614.70	−385.30
13	80	1756.5821	−1243.4179	31	2614.70	−385.30
14	96	1759.8416	−1240.1584	14	2614.70	−385.30
15	30	2276.137	−723.863	19	2614.70	−385.30
16	87	1846.0683	−1153.9317	14	2614.70	−385.30
17	41	2781.9136	−218.0864	13	2614.70	−385.30
18	60	1756.4908	−1243.5092	8	2614.70	−385.30
19	64	3280.5975	280.5975	13	2614.70	−385.30
20	99	2343.6613	−656.3387	25	2614.70	−385.30