Analyzing the characteristics of checking anti-submarine and the tactics features of dipping sonar,the searching effectiveness index of dipping sonar in checking anti-submarine was put forward.

• 通过对检查性反潜特点和吊放声呐战术特性的分析,确定了检查性反潜时反潜直升机采用吊放声呐搜潜的效能指标。