Divers would likely hear a mid-to-high pitch sound while underwater when the active sonar is emitted, cluing them into the ...

Moving horizontally across the screen one can read the sound waves for different directions. Remember, when in a submarine one must think up and down as well as left and right. Sonar technicians ...

Military submarines have both passive and active SONAR. Passive SONAR is always listening for different sounds to determine if there are mechanical or biological objects nearby. When the crew ...

has been tracking how sonar similar to that used in military submarines and ships affects the behaviour of large groups of these mammals. These systems have been around for decades and use sound ...

The Chinese Type 091 struggled to meet the same thermal performance standards and sound reduction, as sonar detection is the biggest threat to a submarine's security. The advanced sonar ...

The time between sending and receiving a sonar sound pulse that detects a submarine on the seabed is 0.12 s. Calculate how far below the ship the submarine is.

The US Navy is outfitting a pair of its submarines with ... will reduce the boat's sonar signature. Inside the hull, the engine room is being fitted with about a dozen sound-deadening tricks ...

Marine mammal research is a key spin-off of the work of the Acoustics and Sonar department. This department wants to maintain and extend the national technology base in the field of sonar systems, the ...

The USS Cobia, a US Navy submarine, sank 13 enemy ships and rescued seven downed American pilots during World War II.