它是含有刚度非线性和阻尼非线性的弱非线性系统。
This system is of a small nonlinearity containing stiff nonlinear and damper nonlinear one.
讨论非线性系统弱能控性与弱能观性计算机代数的分析方法。
A computer algebra analysis method of weak controllability and weak observability for nonlinear systems is discussed.
研究了非线性系统特征，构建实用于检测强噪声背景下弱信号的特征信息的自适应随机共振算法。
The study of characteristics of the nonlinear system. Realization of the adaptive SR algorithm of detecting the characteristic information of practical weak signals overwhelmed in strong noise.
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