Patent ID: 11940573
Assignee: QINGDAO INNOVATION AND DEVELOPMENT CENTER OF HARBIN ENGINEERING UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 2:
3. The navigation-communication-integrated metamaterial sonar for underwater vehicles according to claim 2, wherein the transducer is an emitting-receiving combined transducer; a number of the discs in the disc array of a high directivity sonar is 20, an underwater navigation working frequency band is 15-20 kHz, an underwater acoustic communication working frequency band is 21-24 kHz, the radius w1 of the disc array is 22.5 mm, the period p is 30 mm; the board thickness t1 of the each disc is 16 mm; and the thickness g of the each water gap is 14 mm, and the radius w2 of the backboard is 45 mm.