结构物对爆破振动荷载的动态响应，是其对于不同优势频率的细节信号的不同的动态响应的叠加的结果。
Under blasting vibrating load, the dynamic response of the structure results from the superposed results of its dynamic response to various dominating frequency detail signals.
活载作用下结构挠度、应力与荷载呈线性关系，叠加原理能够适用。
The deflection and stress of the structure are linear with load under effect of live load. The superposition principle can be used.
第二章介绍了移动荷载识别的基本原理和相关知识，包括振型的正交性，模态叠加原理等。
The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
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