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强度型光纤传感测试系统的稳定性研究
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格式:rar |
大小:231 |
2009-07-07
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描述了一种光纤传感器输出特性测试系统,该系统通过调制和补偿技术大大改善了系统
的稳定性,介绍了补偿的方法和调制的措施,并进行了定点测试和全程测试的实验。结果表明,采用的调制和补偿技术可大大减小光源强度变化和外界干扰光的影响,提高测试系统的稳定性。
关键词:光纤;传感器;补偿;调制;稳定性
Abstract :The output characteristic measuring system of an intensity - type fiber optic sensor is described. Stability of the system can be improved by means of modulation and compensation techniques. The concrete compensation method and modulation measures are presented ,and the experiments with fixed - points and moving - points are performed. Results
show that negative effects caused by light source power fluctuation and environmental light variation can be greatly reduced by means of modulation and compensation ,thus high stability can be achieved.
Key Words :Optical Fiber ;Sensor ;Compensation ;Modulation ;Stability
的稳定性,介绍了补偿的方法和调制的措施,并进行了定点测试和全程测试的实验。结果表明,采用的调制和补偿技术可大大减小光源强度变化和外界干扰光的影响,提高测试系统的稳定性。
关键词:光纤;传感器;补偿;调制;稳定性
Abstract :The output characteristic measuring system of an intensity - type fiber optic sensor is described. Stability of the system can be improved by means of modulation and compensation techniques. The concrete compensation method and modulation measures are presented ,and the experiments with fixed - points and moving - points are performed. Results
show that negative effects caused by light source power fluctuation and environmental light variation can be greatly reduced by means of modulation and compensation ,thus high stability can be achieved.
Key Words :Optical Fiber ;Sensor ;Compensation ;Modulation ;Stability
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