前言 潜艇是海军舰队的重要兵力,它担任着作战、警戒和收集情报的重要职责,它的最大特点是隐蔽性好。由于潜艇的重要性,引起世界各国对反潜工作的极端重视。各国海军都投入了大量的人力、物力,从事反潜探测设备和反潜武器的研制和发展。在各类反潜探测设备中,声学探测设备仍然是当前最主要的探潜手段,各种重要战斗舰艇几乎都装备有声纳设备。此外,有些国家如苏、美,在海洋沿岸海底还设有固定式声纳反潜系统,在空中反潜飞 Foreword The submarine is an important force of the Navy’s fleet. It serves as an important duty in fighting, vigilance and intelligence gathering. Its most prominent feature is its good concealment. Due to the importance of submarines, all countries in the world have drawn extreme attention to anti-submarine work. All navies have invested a great deal of manpower and material resources in the research and development of antisubmarine detection equipment and anti-submarine weapons. In various types of anti-submarine detection equipment, acoustic detection equipment is still the most important means of exploration. Almost all major combat ships are equipped with sonar equipment. In addition, some countries, such as the Soviet Union and the United States, also have a fixed-type sonar anti-submarine system on the ocean coast,