• Then, the damage location can be identified by the change of the wavelet packet component energy.

    通过各频段能量变化进行损伤位置识别

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  • It was proved that frequency change square ratio was a parameter for damage location and damage degree in a structure.

    结果表明,结构频率平方变化损伤位置损伤程度函数。

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  • It is difficult to identify the damage location directly for the high frame structure which contains too many components.

    对于多层跨的框架结构,构件数量众多,直接确定损伤位置十分困难。

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  • Flexibility matrix elements show whole structural information, its maximal changes may not coincide with damage location.

    矩阵元素反映的是结构整体信息变化最大不一定对应损伤部位

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  • Based on strain mode shape (SMS), the direct index methods of damage location and degree detection are presented and founded.

    提出并建立了损伤位置直接指标局域应变态面积损伤程度直接指标法。

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  • The calculating results indicate that two methods are valid in identifying the damage in spatial structure, and accurate in damage location.

    结果证明两种方法进行空间结构的单损伤识别时都有效的,都能够精确的定位杆件的损伤。

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  • Link elements are the main components of grid structure, while the damage information of nodes cannot reflect the real link element damage location.

    网架是以单元作为主要构件结构节点损伤信息无法反映损伤杆单元真实位置

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  • Lastly, through a three-layer frame and a cantilever beam testify that the method can very accurately identify structural damage location and degree.

    最后通过个三框架一个悬臂梁的算例证明:组合参数能够非常精确地识别出结构损伤位置和损伤程度。

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  • Finally, the weighed flexibility error was defined on the frame of the statistical meaning to solve the damage location problem with the condition of data error.

    最后统计意义框架下定义加权柔度投影误差解决数据误差条件下损伤定位问题

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  • Through the theory and reference material analysis, it showed that the change of the dynamic characteristic parameters can reflected the damage location and degree.

    通过理论资料分析得出工程结构在损伤前后动力特性参数即模参数改变包括了损伤位置损伤程度两方面的信息。

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  • By the examples computation, the effects of the damage degree, damage location and zone on the amplitude and the arrival time of the received wave were quantitatively analyzed.

    通过实例计算定量分析了结构内部损伤度、损伤位置损伤区域大小对接收波幅值和到达时间影响

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  • Through comparing the curvature modes of real structure with finite element model, a damage factor was gained. Based on analyzing the damage factor, damage location can be identified.

    通过有限元模型实际结构的曲率模态计算得到结构损伤因子通过分析损伤因子,可以判断实际结构的损伤位置

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  • A methodology was put forward for damage location, and damage simulating as well as numerical calculation of modal analysis was carried out on a truss plane bridge by stiffness discount.

    推导基于测试频率平方变化比的损伤定位方法,利用有限元方法管道结构刚度折减法进行了损伤模拟分析数值计算

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  • A cantilever beam model is established by simulation. And using BP neural network identify the damage location. The results reveal that the BP neural network for single damage identification.

    通过一个悬臂仿梁建立仿真模型运用BP神经网络对其进行损伤位置识别结果表明,BP神经网络单一损伤位置识别效果很好。

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  • For the damage claim example this might include the policy for the claim, the driver name, the location of the damage, etc..

    对于损害索赔可能包括适用于这个索赔策略驾驶人姓名、发生损害位置等等

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  • The law of the location of the court which takes up the case shall be applicable to the indemnity for damage caused by civil aircraft over the high seas to third parties on the surface.

    民用航空器公海上空水面第三人的损害赔偿适用受理案件法院所在地法律

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  • Because of the objective's urban location, minimizing both collateral damage and noncombatant casualties is a priority.

    因为目标处于城市之中,必须优先保证间接破坏非战斗人员伤亡最小化

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  • Intensity is a measure of the shaking and damage caused by the earthquake, and this value changes from location to location.

    强度一种用来衡量震感破坏程度测量标准。测量数值根据地点不同而不同。

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  • Arthroscopy had been performed in all cases in order to classify the extent and location of cartilage damage.

    通过关节镜探查所有病例区分关节软骨损伤的位置程度

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  • By defining a normalized natural frequency, one may find the location and extent of cable damage with respect to the changes on the normalized nature frequency.

    定义固有频率,并且分别分析了拉索损伤位置损伤程度对归一化固有频率的影响。

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  • To guarantee the safety of structures and to minimize the maintenance cost, it is desired to find an effective and efficient method to identify the occurrence, location and extent of damage.

    为了保证结构安全和减少结构维护成本必要找出一种高效实用的结构损伤识别方法确定结构损伤是否发生、损伤发生的位置损伤的程度

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  • Dynamic signals measured from experiment beams are first decomposed into wavelet packet components, then the wavelet energy rate index is computed and used to detect location of damage.

    首先,将得到的结构响应信号进行小分解然后通过小波包能量变化率指标进行损伤定位

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  • Dynamic signals measured from experiment beams are first decomposed into wavelet packet components, then wavelet energy rate index is computed and used to detect location of damage.

    首先所得的结构响应信号进行小分解然后通过小波包能量变化率指标进行损伤定位

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  • An damage indicator was defined to determine the location of structural damage elements, and the proper testing modal modes used in the inverse computation could be selected accordingly.

    基于态力余量,定义了一种损伤指标预先判定结构损伤单元位置据此选取合适测试态阶数进行反演计算

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  • The results show that the method of canceling noise is better, and this grounds for the bug detection and location of damage identification.

    结果表明方法效果好,损伤检测缺陷定位分析打下了基础。

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  • On the basis of the method of residual modal force analysis, the algorithm for determining the location of damage is presented.

    基于剩余模态分析方法提出确定结构损伤位置算法

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  • Therefore they could be installed in a secure location on the ground, so that a pump or pipe to avoid being tripped or the possibility of damage from vehicles.

    因此可以它们安装地面之上安全位置这样避免管道绊倒或被来往车辆损害可能性

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  • Therefore they could be installed in a secure location on the ground, so that a pump or pipe to avoid being tripped or the possibility of damage from vehicles.

    因此可以它们安装地面之上安全位置这样避免管道绊倒或被来往车辆损害可能性

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