To overcome the difficulties in the solving process brought by the multi-modal damping model, the modal transformation strategy and the precise time-integration method are applied.
采用了模态变换和精细积分法，解决了考虑多阶模态的阻尼矩阵给求解所带来的困难。
This paper puts forward a method of target recognition based on multi-feature integration and polar coordinates transformation.
提出一种基于多特征融合和极坐标变换的目标识别方法。
The observer design problem for general nonlinear multi-input and multi-output system by nonlinear state transformation is studied. The observer design conditions and method are generalized.
研究一般的非线性多输入多输出系统状态观测器的设计问题，采用状态非线性变换讨论了这种观测器的设计方法及条件。
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