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 ...

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.

A way for submerged submarines to communicate with planes has been developed by researchers at MIT. At present, it is difficult for planes to pick up underwater sonar signals because they reflect ...

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 ...

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 submarine environment and – defence against – submarine weapons. The main aims are to support the Royal Netherlands Navy and to develop innovative sonar applications for military and civilian ...

A Russian submarine collided with a Royal Navy warship's sonar on patrol in the North Atlantic, the Ministry of Defence has confirmed. HMS Northumberland had been tracking the submarine when it ...