G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 15/87 (2006.01)
Patent
CA 2553822
The invention relates to a multistatic sonar system having a particular mode of communication between the emitting base and the receiving bases that serve to detect sonar echoes. This system makes it possible, in particular, to overcome the drawbacks posed by using radio communications or generally used satellite communications. The signal emitted by the emitter base comprises an advance pulse that conveys information relative to the operating mode of the system according to the invention, particularly, at the moment of emission, and comprises a ping strictly speaking. This system is particularly provided for use by underwater submarine vessels for detecting and locating surrounding objects or for controlling the position of an autonomous submarine vehicle.
La présente invention concerne un système sonar multistatique disposant d'un mode particulier de communication entre la base émettrice et les bases réceptrices chargées de la détection des échos sonars. Ce système permet notamment de s'affranchir des inconvénients occasionnés par l'utilisation de communications radio ou de communications par satellite généralement utilisées. Le signal émis par la base émettrice comporte une impulsion de préavis véhiculant des informations relatives au mode de fonctionnement du système selon l'invention, en particulier l'instant d'émission, et une impulsion sonar proprement dite. Ce système est notamment destiné à une utilisation par des bâtiments sous-marins en plongée, pour la détection et la localisation d'objets environnants ou le contrôle de positionnement d'un véhicule sous-marin autonome.
Marks & Clerk
Thales
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