通过分析振动的来源以及振动传递的路径和传递特性，确定了隔振降噪的方法。
Based on the analysis of vibration source, vibration transmission path and transmission characteristics, the methods of vibration isolation and noise reduction are decided.
依据理论分析结果，对实际现场采取了有效的隔振降噪方法，隔振后降噪效果明显。
According the theory analysis, the effective method is applied in actual site and noise reduction effect is obvious after vibration isolation.
多层隔振系统是隔振降噪一项重要的技术，而功率流方法是评价隔振系统隔振效果的有效方法。
The lower-middle frequency range power flow calculation method of the double-layer vibration isolation system on flexible base is established.
主要用于各种风机、管道、动力设备的吊装隔振降噪，也可用于精密仪器、仪表的吊装消极隔振。
Mainly used for a variety of lifting the fan noise isolation, pipelines, power equipment, can also be used for precision instruments, meters, lifting passive vibration isolation.
降噪材料按降噪机理可分为阻尼减振材料、吸声材料和隔声材料。
According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.
试验表明：安装隔振环对振动筛降噪有明显的效果。
The experiment shows installing the vibrating isolation ring has obvious effect to reduce noise.
浮筏隔振系统是一种广泛应用的减振降噪装置，但它在低频减振方面还存在较大不足。
Research shows that the application of dynamic vibration absorbers (DVAs) can significantly improve the low frequency isolation performance of floating raft system.
舰船的减振降噪在隔振理论和实践研究中始终占有举足轻重的地位。
To control the vibration and noise in ship is always playing the important role in the theoretic and practical research of vibration isolation.
浮筏隔振系统是一种较为有效的振动控制系统，将近四十年来在航海工程机械的减振降噪应用中取得了非常显著的效果。
Floating raft vibration isolation system is a good approach of controlling vibration, and this system has been successfully used in navigation.
浮筏隔振系统能够明显地抑制从机器到船体的振动传递，在舰艇动力机械减振降噪领域得到了广泛应用。
Floating raft isolation system can obviously restrain vibration from machine to the hull, thus has been widely applied in naval power machinery anti-vibration noise reduction fields.
浮筏隔振系统能够明显地抑制从机器到船体的振动传递，在舰艇动力机械减振降噪领域得到了广泛应用。
Floating raft isolation system can obviously restrain vibration from machine to the hull, thus has been widely applied in naval power machinery anti-vibration noise reduction fields.
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