说明了剩余导纳展开式在模态综合自由度减缩中的应用。
Finally, an explanation was given about the application of the expansion series of residual admittance in reduction of degrees of freedom in modal synthesis.
在此基础上，介绍了由频响数据识别复模态参数的导纳圆拟合法。
On this basis, the mobility circle fitting method for identifying the complex modal parameters from frequency response data is discussed.
由导纳圆拟合法识别出了桥梁的模态参数。
The latter identified the modal parameters of the bridge by admittance circle fitting method.
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