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中文摘要：
针对桥梁挠度各成分的分离问题，利用温度挠度具有周期性的特点，基于奇异值分解提取周期信号原理，提出桥梁挠度监测信号中精确分离各分量的方法。计算及分析结果表明，该方法能有效分离挠度监测信号中各种效应值，挠度分离效果良好，尤其对具有周期性特点的桥梁挠度温度效应分离特别有效，为桥梁挠度信号分离提供了一种有效的方法。
英文摘要：
For the separation problem of bridge deflection monitoring, a precise method of separation deflection is presented using sigular value decomposition principle according to the periodic characteristics of the bridge deflection. Experimental and analytical results show that the method separate the various de- flection components from the long term monitoring deflection, and the separation effect of temperature de- flection with the periodic characteristics was good specially from the long term monitoring deflection. A new and precise method of separation deflection is provided.
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