Hereby, the change ratio of the first order mode shape is presented as the indicator for structure damage detection.
提出以第一阶振型改变率作为结构损伤识别的标识量。
Because of effect of sensor Numbers and test noise, detectability and recognition capability are restricted in structure damage detection.
在结构的损伤检测中，由于传感器数目、测试噪声等因素，限制了结构损伤检测与识别的能力。
The signal singularity detection theory based on wavelets analysis is given. Through the study of those singularity, the damage situation of the structure may be discovered.
文章给出了基于小波分析的信号奇异性检测理论，通过对突变信号进行小波分析可以发现结构的损伤情况。
The hidden trouble of structure can be detected in time, and accident can be avoided by the damage detection and diagnosis.
通过对结构进行损伤检测与诊断可以及时发现结构中存在的安全隐患，避免重大事故的发生。
But, presently the research on damage detection and diagnosis of structure focus on bridge and tier building, and the research on large space structures are few.
但是，目前结构的损伤检测与诊断研究多集中在桥梁、高层等结构上，针对大跨度空间结构损伤检测与诊断的研究很少。
The in-situ active damage detection of composite structure can be implemented using surface-bonded piezoelectric patches with signal processing based on vibration analysis.
复合材料容器结构的在线损伤检测可以通过粘贴在结构表面的压电智能材料和基于振动分析基础上的信号处理来完成。
Test results showed that the proposed method is effective for health monitoring and damage detection of the considered structure.
试验结果表明，该方法能有效地监测结构振动过程中的损伤，以及检测结构刚度损失的大小。
Aiming at the distributed damage detection system of huge complex structure, maximum joint probability (MJP) methodology was proposed for decision fusion associated with many damage detection methods.
针对大型复杂结构分布式损伤检测系统中的多种损伤检测方法的检测结果融合问题，提出了最大联合概率(mjp)决策融合法。
A discretized damage detection and integral status assessment scheme based on the lower eigenvalues is proposed to evaluate the status of a large scale structure.
针对大型复杂结构状态评估问题，提出了基于低阶特征值的结构分散化损伤识别与整体状态评估方法。
In this dissertation, the theory which is known of concrete structure fatigue cumulative damage and damage detection is narrated.
本文阐述了已有的混凝土结构疲劳累积损伤理论和疲劳损伤识别原理。
Piezoelectric impedance technology which is based on smart material is a brand-new method for structural damage detection, and it could be widely applied in structure health monitoring field.
压电阻抗技术是一种基于智能材料的结构损伤检测新技术，在结构健康监测领域有着广泛的应用前景。
The damage detection indexes of arch structure are formed and the injury recognition results are visualized vividly.
分析了实现损伤检测可视化的必要性和可行性。
The damage detection indexes of arch structure are formed and the injury recognition results are visualized vividly.
分析了实现损伤检测可视化的必要性和可行性。
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