Patent ID: 11940573
Assignee: HARBIN ENGINEERING UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 7:
8. The navigation-communication-integrated metamaterial sonar for underwater vehicles according to claim 2, wherein the transducer is the emitting-receiving separated transducer; the number of the discs in the disc array of the compact sonar is 10, the underwater navigation working frequency band is 35-39 kHz, the underwater acoustic communication working frequency band is 42-45 kHz, the radius w1 of the disc array is 10 mm, the period p is 13 mm; the board thickness t1 of the each disc is 7 mm; and the thickness g of the each water gap is 6 mm, and the radius w2 of the backboard is 18 mm.