Analysis of limitation on active anti-torpedo soft-damaged technology

The developments complexion of anti-torpedo soft-damaged technology in nowadays all over the world are summarized,through analyzing the work principle,the acoustics properties and the interfering model of several hydroacoustic countermeasure equipments,some limitations of active soft-damaged technology are found;aiming at the limitation,the pyrotechnical-type anti-torpedo technology is presented,and the existent predominance is analyzed.