And characteristic of relative between two fiber Bragg gratings is analyzed and discussed, which provide a basis for the resolve of the cross sensitivity problem between temperature and strain.
并且还对两光栅之间的关联特性进行了分析，为解决交叉敏感问题提供依据。
Last, the error of the measuring system is being analyzed, and results show that the cross-axis sensitivity of the sensor and the temperature affect the measurement little.
最后，对测量系统中的误差进行了分析，结果表明传感头的横向响应和温度对测量的影响均不明显。
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