实际上，线性粘弹性条件下的G(t)也好，G*(ω)也好，都属于线性响应函数（linear response function），或称susceptibility（χ(t)），是指材料在弱外场作用下性质变化。外场强度很大的时候响应函数就会显示出场强依赖性。
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According to the method, the relative overdamping can be expressed in a linear function of the product of the width of half peak of the response curve by the nature frequency of the geophone.
根据该方法，相对过阻尼系数能够表示成检波器响应曲线的半峰高宽度和检波器自然频率乘积的线性函数。
Serving as the question for study with identification of the frequency response function of the linear system, the effects of noises for estimated accuracy are discussed.
以线性系统频率响应函数的辨识为研究课题，对系统辨识中所面临的各种干扰噪声对模型精度估计的影响进行了系统的研究。
Compared to ordinary noise correction methods, non-linear fitting with a middle and later impulse response function is more advantageous when SNR is relatively low.
与一般的噪声修正法相比，当信号信噪比不足时，对中后期的脉冲响应进行非线性拟合的方法更具优势。
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