Exploration Electronics Ltd articles

A hydrophone array comprises several hydrophones strategically placed in known locations, such as in a line on the seafloor, moored vertically in the water column, or towed horizontally behind a vessel. When sound from a distant source, like a submarine, reaches the array, each hydrophone detects it at slightly different times, depending on the sound’s direction. This time difference, known as time-of-arrival-difference, can be converted into a direction. Combining the dat