...谱估计 (Power Spectrum Estimate)相闭函数估计 (Correlation Estimate) 频响函数估计 ( Frequency Response Function Estimate )相闭函数估计 (Coherence Function Estimate)冲激吸应函数估计 (Impulse Response Function Estimate)倒频谱 (Cepstrum)功抡婀频...
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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。
The theory of multiple input-output frequency response functions estimation is studied based on the finite Fourier transform.
利用该方法对非线性频响函数进行估计，并利用了最小二乘法对模型的非线性刚度系数和非线性阻尼系数进行了优化。
By which linear and nonlinear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper.
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