Side scan sonar with synthetic antenna
US6215730A · kind A · utility
29Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Jun 10, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/8904
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A synthetic-antenna side sonar device. Two transmission transducers which operate in interferrometric mode are fixed to the two ends of a physical antenna of a sonar. The forward speed of the sonar is chosen so that the zeros of the physical reception antenna coincide with one out of two of the side lobes of the radiation diagram of the synthetic antenna. Also the speed is chosen so that the zeros of the physical diagram of the interferrometric transmission antenna coincide with the other side lobes. This arrangement increases the range and thus the hourly coverage of a sonar for a given speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.