从目前发表的文章看，仅仅利用损伤结构的模态参数进行损伤识别的极少。
From article published at present, it is few only using damaged mode parameter of structure to identify the damage.
非线性结构的参数估计和系统识别是取得和验证非线性结构数学模型的一门学科。
The parameter estimation and system identification of nonlinear structures is a subject which serves to obtain and verify mathematical model of nonlinear structures.
采用动力学方法进行结构损伤诊断和参数识别时，结构的边界条件对其动力性能有较大的影响。
The dynamic behavior of a structure is greatly influenced by its boundary conditions, if dynamic method is applied to structural damage identification and parameter identification.
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