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提出并实验了一种精密的用光纤光栅作为敏感元件测量液面高度的方法 ,讨论了传感系统设计的关键问题。该传感器可用于中等深度的液面高度的精密测量 ,其灵敏度可达0 .15mm/pm。
A precise method of measuring the liquid level with FBG as sensing element is proposed and tested. The key problems of sensing system design are discussed. The sensor can be used for medium-depth measurement of the liquid level, the sensitivity of up to 0 .15mm / pm.