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SYSTEM AND METHOD FOR MEASURING THE VIBRATION OF A STRUCTURE
申请公布号：US2015082891(A1)
申请号：US201414464135
申请日期：2014.08.20
申请公布日期：2015.03.26
发明人：Cooper Daniel Boyd;Lee Erik N.
分类号：G01H9/00
主分类号：G01H9/00
地址：Christiansburg VA US
摘要：A system and method for measuring the vibration of a structure of interest are disclosed. The disclosure provides an acoustic isolation structure to substantially reduce response to acoustic energy generated by external physical stimuli. The acoustic isolation structure is formed by placing a housing, such as an outer conduit, around an inner conduit, forming a gap between the housing and the inner conduit. The gap is then configured to serve as an acoustic isolation layer by either filling the gap with an acoustic isolation material or by substantially evacuating the gap and sealing the ends thereof.
主权项：1. A distributed disturbance sensing system having an acoustic isolation structure, comprising: a sensing cable contained within an inner conduit, the inner conduit being contained within a housing, the housing and the inner conduit respectively arranged to maintain a gap between an inner surface of the housing and the outer surface of the inner conduit for a substantial length of the housing, the housing being coupled to a structure of interest; and an acoustic isolation material contained within the gap.