AUTOMATIC TRACKING SCANNING SONAR
PROBLEM TO BE SOLVED: To enable to adjust an elevation angle in accordance with the vertical movement of a fish shoal in a surveying range, and to enhance a tracking property of the fish shoal. SOLUTION: The automatic tracking scanning sonar includes a transmitter-receiver part which performs a hori...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To enable to adjust an elevation angle in accordance with the vertical movement of a fish shoal in a surveying range, and to enhance a tracking property of the fish shoal. SOLUTION: The automatic tracking scanning sonar includes a transmitter-receiver part which performs a horizontal scan using an umbrella shape transmitting beam and a pencil shape receiving beam, a cross-sectional image composition part, a fish shoal image extraction part, a fish shoal image position information calculation part, an elevation angle-accumulating reaction intensity memory part, a horizontal cross-section surface motion prediction part, and a surveying range controller. When the fish shoal moves vertically, the fish shoal is not missed. COPYRIGHT: (C)2008,JPO&INPIT |
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