ACTIVE AND PASSIVE SYSTEM “SONAR STATION SURFACE VESSEL”

摘要

An active and passive system “sonar station - surface vessel” comprises a mother ship with active and passive system sonar station with flexible extended towed antenna and launching assembly. The active and passive system sonar station comprises a depressor as a towed body, cylindrical emitter, flexible extended towed antenna, two towline cables and halyard anchor. The cylindrical emitter is made as sealed piezoceramic ring filled with liquid, with acoustically soft cylindrical body arranged coaxially inside the ring with gap. The towed body is connected to the launching assembly of mother ship by means of towline cable, the flexible extended towed antenna is connected to the towed body with towline cable, and the anchor halyard is fixed to the free end of the flexible extended towed antenna. The cylindrical emitter is equipped additionally with remote-controlled gas-generator and bleeding valve, those are connected to the inner volume of the acoustically soft cylindrical body, wherein the remote-controlled gas-generator is arranged inside the acoustically soft cylindrical body, and the bleeding valve is arranged on the outer surface of the acoustically soft cylindrical body.