UNDERWATER SONAR SYSTEM

PROBLEM TO BE SOLVED: To raise locating precision when locating is performed using a sonar mounted on a ship. SOLUTION: The underwater sonar 100 has a mounting mechanism 21 and an echo sounder transducer 22. The transducer is supported having three degrees of rotation freedom and at least one degree...

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Bibliographische Detailangaben
Hauptverfasser:	SADAMORI HIROYUKI, ISHIKAWA KOICHI, FUKAMI AKIHISA, SHIRAKUBO KIYOTAKA, IWATA KAZUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES EQUIPMENT FOR SHIPPING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To raise locating precision when locating is performed using a sonar mounted on a ship. SOLUTION: The underwater sonar 100 has a mounting mechanism 21 and an echo sounder transducer 22. The transducer is supported having three degrees of rotation freedom and at least one degree of translation freedom with actuators 3-8 and joints 9-17 which constitute the mounting mechanism, with respect to the ship body 20. Rocking of the transducer with respect to the rocking of the ship body is removed, and high precision of measurement is obtained. COPYRIGHT: (C)2004,JPO