就阻尼与其他结构动力参数（如刚度、质量）的关系着眼，瑞利阻尼、柯西阻尼和复阻尼等都是 比例阻尼 （ proportional damping ），在动力体系分析中，亦有更简单的 比例阻尼 形式。
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在实际工程结构的抗震研究中，一般结构体系都具有非比例阻尼特性。
For the earthquake resistant analysis of actual engineering structures, most of structural systems have the properties of non-proportional (non-classical) damping, I.
基于等效线性化的隔震工程设计参数，建立非比例阻尼隔震结构模型。
The structure is modeled as non-proportionally damped system based on equivalent linearized parameters which is used for practical design.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
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