光纤法珀应变传感器量化误差及改进算法研究  

Study of Improved Algorithm About Influences of the Wavelength Quantization Error on the Accuracy of Fiber Optic F-P Strain Sensing System

作　　者：王宁[1] 朱永[1] 陈伟民[1] 黄尚廉[1] 

机构地区：[1]重庆大学光电技术及系统教育部重点实验室,重庆400044

出　　处：《压电与声光》2002年第3期251-254,共4页Piezoelectrics & Acoustooptics

基　　金：国家自然科学基金重点项目 (5 963 5 14 0 )

摘　　要：从光纤法珀应变传感器的基本原理出发 ,针对波长检测量化误差对应变测试系统精度的影响 ,提出了一种提高系统精度的改进算法 ,并通过仿真实验和等强度梁连续加载实验进行了算法比较。实验结果表明 ,文章所采用的提高系统精度的改进算法具有较好的效果。Based on the basic principle of optical fiber F P sensor,the paper analyzed the influence of wavelength detecting error on the accuracy of sensing system theoretically,put forward a improved algorithm to reduce the system error.The simulation and experiment with standard equivalent strength cantilever in the condition of continuous increment load were carried out to compare two algorithms.The results showed that the improved method for improving the resolution had a good effect.

关 键 词：光纤 应变 量化误差 改进算法 

分 类 号：O411[理学—理论物理]