Reconstructing arbitrary strain distributions within fiber gratings by time-frequency signal analysis

Jose Azana; Miguel A. Muriel

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Reconstructing arbitrary strain distributions within fiber gratings by time-frequency signal analysis

机译：通过时频信号分析重建光纤光栅内的任意应变分布

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We apply time-frequency signal-analysis techniques to recover arbitrary distributions of axial strain along a fiber grating from its reflection spectral response. The proposed method permits accurate strain reconstruction with no restrictions on the applied strain profile or on the grating length. We demonstrate the validity and accuracy of the technique by reconstructing the strain field in a fiber grating with a nonmonotonic strain profile, which includes all the following: a constant strain section, high gradient variations, and strain discontinuities.

机译：我们应用时频信号分析技术，从其反射光谱响应中恢复沿光纤光栅的轴向应变的任意分布。所提出的方法允许精确的应变重建，而对施加的应变曲线或光栅长度没有限制。我们通过在具有非单调应变轮廓的光纤光栅中重建应变场来证明该技术的有效性和准确性，其中包括以下所有条件：恒定的应变截面，高梯度变化和应变不连续性。

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《Optics Letters》 |2000年第10期|共3页
作者
Jose Azana; Miguel A. Muriel;
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正文语种 eng
中图分类光学;
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1. Reconstructing arbitrary strain distributions within fiber gratings by time-frequency signal analysis [J] . Jose Azana, Miguel A. Muriel Optics Letters . 2000,第10期

机译：通过时频信号分析重建光纤光栅内的任意应变分布
2. Strain Measurements within Fiber Boards. Part I: Inhomogeneous Strain Distribution within Medium Density Fiberboards (MDF) Loaded Perpendicularly to the Plane of the Board [J] . Gerhard Sinn, J#xF6, rn Rathke, Materials . 2012,第6期

机译：纤维板上的应变测量。第一部分：垂直于板平面加载的中密度纤维板（MDF）中的不均匀应变分布
3. Strain Measurements within Fiber Boards. Part I: Inhomogeneous Strain Distribution within Medium Density Fiberboards (MDF) Loaded Perpendicularly to the Plane of the Board [J] . Gerhard Sinn, J#xF6, rn Rathke, Materials . 2012,第6期

机译：纤维板上的应变测量。第一部分：垂直于板平面加载的中密度纤维板（MDF）中的不均匀应变分布
4. Reconstructing arbitrary strain distributions within fiber gratings by Evolutionary Programming [C] . Guiling Huang, Qida Zhao, Lihui Liu, Passive Components and Fiber-Based Devices II pt.1 . 2005

机译：通过进化规划重建光纤光栅内的任意应变分布
5. Theoretical and experimental analysis of strain transfer rate in coated fiber Bragg grating strain sensors. [D] . Dadpay, Chakameh. 2008

机译：涂覆光纤布拉格光栅应变传感器中应变传递速率的理论和实验分析。
6. Strain Measurements within Fiber Boards. Part I: Inhomogeneous Strain Distribution within Medium Density Fiberboards (MDF) Loaded Perpendicularly to the Plane of the Board [O] . Jörn Rathke, Gerhard Sinn, Johannes Konnerth, 2012

机译：纤维板上的应变测量。第一部分：垂直于板平面加载的中密度纤维板（MDF）中的不均匀应变分布
7. Semi-empirical multi-port lattice model for long-period fiber grating analysis under arbitrary temperature distributions [O] . Jun Kye Bae, Namkyoo Park, Jinho Bae, 2008

机译：任意温度分布下长期光纤光栅分析的半经验多端口晶格模型
8. Time-Frequency Domain Analysis of Vibration Signals for Machinery Diagnostics. 2:The Weighted Wigner-Ville Distribution [R] . Mcfadden, P. D., Wang, W. J. 1991

机译：机械诊断振动信号的时频域分析。 2：加权Wigner-Ville分布

Reconstructing arbitrary strain distributions within fiber gratings by time-frequency signal analysis

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