Research Article
A Study for Optimum Survey Method of Underwater Structure Using the Dual Sonar Sensor
Table 2
Overlapping area occurs.
| Classification | Distance to the structure | Frequency | Swath width | Towfish angle | Resolution grade |
| Towfish (①) | 1.50 m | 1250 kHz | 16 m | R 70° | A | Towfish (②) | 3.80 m | 1250 kHz | 16 m | L 20° | | | (a) Concept of Case 1 (overlapping area) | (b) Case 1 sonar data |
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