本文提出了利用卡尔曼滤波技术识别线性定常振动系统参数的方法。
This paper presents a new method for identifying parameters of linear time-invariant vibration system by the use of Kalman filtering technique.
分析结果表明,水泵吸水池内部流动所引起的压力和振动变化关系密切,都是由吸入涡的非定常特性引起的。
The results show that the pressure signal changes are closely related to the vibrations, both of which are caused by the unsteady characteristics of the vortex flow.
试验证明了PIV技术可以应用于被动振动非定常复杂流场的测量中,并对两维翼流体旋涡诱发振动响应进行了分析。
The experiment shows that the PIV technique can be utilized to measure the unsteady complex flow of passive vibration, and analyses the vortex-induced vibration.
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