本文提出了一类新的随机结构分析方法——扩阶系统方法。
This paper developed a type of new analysis method for stochastic structural system.
优化问题的二阶充分条件是研究灵敏度分析的基础。
A second-order-sufficient-condition is one of basis for sensitivity analysis of optimization problems.
在动态分析中，计算出了塔架前五阶固有频率。
In dynamic analysis, the natural frequency is given from the first mode to fifth mode.
针对阶次一致的传动部件，通过接触斑点分析，最终确定了啸叫的噪声源。
Then through the tooth contact spot analysis the source of the gear whine was found.
稀疏信号分解；阶比分析；齿轮；故障诊断；
Sparse signal decomposition Order analysis Gear Fault diagnosis;
并分析和讨论了悬臂梁前四阶模态对损伤的敏感性。
The sensitivity of the first four mode shapes to crack location and depth are discussed.
并分析和讨论了悬臂梁前四阶模态对损伤的敏感性。
The sensitivity of the first four mode shapes to crack location and depth are discussed.
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