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监测砼面板坝结构缝的光纤传感器率定
The Confirming of Optic Fibrous Sensor Supervising Concrete-facing Dam Structural Cricking
【摘要】 为率定光纤位移传感器 ,作者建立了非线性模型库 ;介绍了全增量预报 -校正模型参数等 9种建模方法 ;导出了内插时的时距权、速率权、矢量权等权重公式 ;用 VB开发了非线性模型回归分析软件 .实例计算表明 ,比常规方法率定曲线的精度要高 .
【Abstract】 In order to confirm the displacement of optic fibre sensor,the author has set up the non-linear modal base.Nine kinds of modeling methods in the whole increment predicting & correcting model parameter are introduced.And weight formulas are directed such as the time-distance weight,velocity weightand vector weight when inserted. the non-linear model regression analysingsoftware Have been developed with VB.By calculating the instance, the precision of curve of confirming has been improved.
【关键词】 砼面板坝;
光纤传感器;
率定曲线;
带权回归;
参数优化;
【Key words】 concrete-facing dam; optic fibrous sensor; confirming curve; regression,pamaeter optimization;
【Key words】 concrete-facing dam; optic fibrous sensor; confirming curve; regression,pamaeter optimization;
【基金】 国家自然科学资助 ( 5 98790 0 2 )
- 【文献出处】 系统工程理论与实践 ,Systems Engineering-theory & Practice , 编辑部邮箱 ,2003年07期
- 【分类号】TV641.43
- 【下载频次】79