FREQUENCY RESPONSE CHARACTERISTIC OF NONLINEAR POLYNOMIAL SYSTEM
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摘要: 给出了多项式非线性系统的多维频率响应函数（ＭＦＲＦ）的解析表达式及其主要特性─—极点频率的定义和性质。对工程中多采用的三次多项式系统定义了广义传递函数，可在一维频率域中研究响应的谱结构。Abstract: For nonlinear polynomial system,the analytical formula of the Multi-dimensionalFrequency Response Function(MFRF)are derived and the pole frequeney set is defined inthis paper.For applications in engineering,the extented transfer functionsin one-frequencydomain are defined basing on the investigation on the response frequency spectral structures.
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Key words:
- nonlinear dynamial system /
- polynomial /
- frequency response function
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