光纤水听器解调干涉仪减振降噪技术研究
Acoustics and Electronics Engineering(2012)
Abstract
为减少外界振动和空气中噪声对光纤水听器解调干涉仪的干扰,通过实验研究了隔振器、抽真空隔声两种方式。实验表明,真空、隔振均对抑制光纤水听器解调干涉仪的噪声有显著效果,两种措施同时使用可使全频段内噪声降低20dB以上,能够满足使用要求。
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