实频-虚频峰值法 (Peak Real／Imaginary Method) 圆拟合法 (Circle Fitting Method) 加权最小二乘拟合法 (Weighting Least Squares Fitting method)
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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.
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.
然后，着重讨论了用于轴承边界的圆度、尺寸和圆心度检测的两种计算方法—点—圆变换法和圆形曲线拟合法。
Then, two methods are discussed which are point-circle transformation and circular curve fitting for inspecting the bearing's circularity, dimension and concentricity.
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