Based on the damage mechanism of armor targets impacted by kinetic energy projectiles, the method of selecting surrogates for this typical ammunition-target system was advanced.

根据动能弹对装甲目标作用的毁伤破坏机理，提出了这一特定弹靶系统中装甲目标等效靶的建立方法。

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The structural damage recognition has been analyzed with mode identification method and the method for extracting the wavelet package signal energy eigenvalue has been analyzed.

从模式识别的观点对结构损伤识别进行了分析，分析了小波包信号能量特征提取的方法。

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The structural damage recognition is studied with the mode identification method, and the method for drawing the wavelet package signal energy eigenvalue is analyzed.

从模式识别的观点对结构损伤识别进行了分析，分析了小波包信号能量特征提取的方法。

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