以模态分析为例：定性的比较是根据实验数据与分析结果，分别绘制模态振形与频率响应函数(frequency response functions)之图形，然后检视它们的相似性与差异性；而定量的比较则是对实验与分析所得的模态振形，作交叉的正交性计算(cross orthogonality...
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This is a typical effect seen in frequency response functions measured using random excitation.
这是利用随机激励进行测量的频响函数中可以看到的典型影响。
The theory of multiple input-output frequency response functions estimation is studied based on the finite Fourier transform.
以有限富氏变换为基础，研究多输入-多输出频响函数估计的一般原理。
Several techniques are set forth in the paper for the frequency response functions (FRFs) fitting by ordinary power polynomials.
提出了用幂基多项式拟合频响函数的几点技巧。
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