Phenomena of self-coherence and mutual-coherence of the distributed fiber optic sensor based on the principle of polarized-mode coupling are analyzed.

分析了偏振模耦合原理的分布式光纤传感器的自相干与互相干光；

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The fiber optic distributed temperature sensor system can sense the change of temperature along the optical fiber by the form of continuous function of distance.

分布式光纤温度测量系统能在整条光纤的长度上，以距离的连续函数形式传感出被测温度随光纤长度方向的变化。

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This sensor can form a distributed fiber optic measuring system and it has the function of zero adjustment and overload protection.

该光纤微弯压力传感器能够组成分布式光纤测试系统，具有机械调零、过载保护功能。

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