CPC G01S 15/8993 (2013.01) [G01S 7/52019 (2013.01); G01S 7/52023 (2013.01); G01S 15/96 (2013.01); G10K 11/006 (2013.01); G10K 2200/11 (2013.01)] | 18 Claims |
1. An underwater detection apparatus, comprising:
a transmission transducer configured to transmit a transmission wave within a given fan-shaped transmission space, the fan-shaped transmission space having a first transmission width in a given first plane and a second transmission width in a second plane perpendicular to the first plane;
a reception transducer configured to receive, as a reception wave, a reflection wave of the transmission wave within a given fan-shaped reception space, the fan-shaped reception space having a first reception width in the first plane and a second reception width in the second plane, the second reception width being wider than the second transmission width, and in the second plane, the fan-shaped transmission space being within the fan-shaped reception space; and
a motor configured to rotate the fan-shaped transmission space and the fan-shaped reception space.
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