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科学家找出让普通光纤缆线兼差地震侦测器的方法

 6 years ago
source link: https://cn.engadget.com/2017/10/22/fiber-optic-lines-double-as-earthquake-detectors/
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准确而灵敏的地震仪器,对于快速的定位及预警而言至关重要,但要大量布设这样的设备花费并不小。史丹佛大学的研究人员发现了一个新的方法,可以透过侦测光纤末端讯号些微的变动,来进行震源的定位和强度的判定。这种方法不仅对大地震有效,局部地区的小地震也可以更准确的找出震源来。过去其实也有过类似的想法,但之前的技术光纤缆线必需要...

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