response transform

Get the amplitude frequency characteristics of impulse response and aeroelastic coupling response by discrete Fourier transform of time domain response, then get the structural damping of blade and tower and the aeroelastic damping of blade based on half-power bandwidth method.

通过对时域响应进行离散傅里叶变换，得出脉冲响应与气弹耦合响应的幅频特性，然后基于半功率带宽法得出叶片与塔架的结构阻尼及叶片的气弹阻尼。

Sample noise response method used to determine subband threshold factors of contourlet transform denoising is proposed.

提出了适用于轮廓波变换消噪中确定子带阈值收敛因子的样本噪声响应法.

Further, with the help of the convolution theorem and inverse FOURIER transform, a semi-analytical solution of the velocity response under semi-sine impulse exciting is obtained.

然后利用卷积定理和傅立叶逆变换求得瞬态半个正弦波作用下桩顶响应的振动半解析解；

By using the Laplace transform technique, the one-dimensional analytical solution of dynamic response for biphasic saturated porous media.

并利用拉普拉斯变换技术，得到了液饱和两相多孔介质一维问题的动力响应解析解。

The transfer function was derived from the matrix function of axialy moving strings. Then the inverse Laplace transform, with the residue theorem, was employed to calculate the time domain response from the frequency domain response.

由轴向运动弦线的矩阵函数计算得到系统的传递函数，然后用留数定理计算传递函数的Laplace逆变换，这样就可以得到时域响应。