声呐自噪声 meaning in Chinese

sonar self noise

Based on the mode experment , we research the vibration property of the sonar dome with its fixing manner and find a manner for control under water self - noise near the sonar . because of the similitude between mode and real sonar dome , the result is useful for sonar design
本文在导流罩的相似缩比模型试验的基础上,讨论不同安装连接方式对导流罩振动特性的影响,探讨通过改变导流罩的振动特性降低声呐自噪声的技术途径.由于模型与实体存在相似关系,试验分析结论对实际应用具有一定的指导意义