首先应用小波包变换对结构振动测试数据进行特征提取，通过不同传感器特征向量的合成完成数据层融合；
Firstly, Wavelet packet transform is introduced to extract features of vibration measured data and information fusion of data layer is conducted by assembling feature vectors of different sensors.
本文采用理论分析、数值模拟与实验相结合的方法对合成射流流动机理及推力向量控制中的应用进行研究。
In this paper, the flow mechanism and the applications of thrust vectoring using synthetic jet are studied in theory, numerical simulation and experiment.
提取出能较好反映出桥梁结构状态的特征参数，组合成特征向量。
Characteristic parameter is extracted, which can better reflect bridge structure state, combining it into the feature vector.
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