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

Claim 6:
7. The navigation-communication-integrated metamaterial sonar for underwater vehicles according to claim 1, wherein the transducer is the emitting-receiving combined transducer; the number of the discs in the disc array of the compact sonar is 10, the underwater navigation working frequency band is 16-17 kHz, the underwater acoustic communication working frequency band is 22-25 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; the thickness g of the each water gap is 14 mm, and the radius w2 of the backboard is 45 mm.