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DAS可以认为是一个移动干涉式声波传感器在传感光纤探测外界信号,当声音或振动引起该位置干涉光相位的线性变化,通过提取该位置不同时刻的干涉信号并解调,就可实现外界物理量的定量测量","CompanyName":"无锡布里渊电子科技有限公司","CompanyID":"170281","MarketPrice":"9999999","PsOrder":"0","PgID":"136","MaxOrder":"0","CityID":"87","City":"无锡市","Address":"无锡市","PropertysValue":"","HitNumber":"89","FrontShow":"0","IsCharges":"0","Year":"2","StarNum":"5","UpdateAndClientSort":"8681220","StandUrl":"/st170281","UpdateTime":"2019/7/4 15:00:51","TodayIsUpdate":"0","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"4747","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0"}]