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复杂系统参数不确定度的传递特征与理论建模 被引量:1

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摘要 对不确定度进行推广,发展了多参数广义不确定度的概念,并对广义不确定度的基本性质进行分析。对复杂系统参数广义不确定度的传递特征进行研究并对传递特征进行分类,研究了单一子系统不确定度的传递模式和特征,传递矩阵中元素的绝对值对目标参数不确定度的计算结果有着重要影响。分析了各个子系统参数不确定度传递过程中的主要和次要作用并建立相应的判别准则。算例表明了该理论模型在研究复杂系统参数不确定度传递问题时的有效性和可行性。
出处 《振动.测试与诊断》 EI CSCD 北大核心 2015年第1期88-93,189,共6页 Journal of Vibration,Measurement & Diagnosis
基金 国家自然科学基金资助项目(50608016)
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参考文献11

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