Study on the Detection Technique for the Buried Depth of Submarine Cables

The detection of the buried depth of electric and optical fiber submarine cables (short as submarine cables) is one of the key techniques for the maintenance of submarine cables. This paper presents the principle of the detection by AC magnetic field by AC magnetic field by analysing the AC magnetic field around submarine cables. It suggests a technique for detection of cable location and buried depth using a double 3D-array prode and makes detailed analysis and discussions.