应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
模态测试时，利用单点(多激振点)激励多点响应模态试验分析方法来获取完整模态参数，引入相关函数分析测试信号的可靠性。
During the model test, integrity modal parameters are obtained via the single-input multi-output analysis method. The reliability of tests signals is also evaluated by the coherence function.
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