amplitude of ground motion

The proplem is to recalculate these amplitudes into the corresponding amplitude of the ground motion.

问题是要将记录图振幅换算为相应的地面运动振幅.

Generally speaking, the characteristics of ground motion can be described by its three elements, namely, the amplitude of ground motion, spectrum and duration.

一般认为，对工程抗震而言，地震动的特性可以通过其三要素来描述，即地震动的振幅，频谱和持时。

This text offer a technique to generate totally non-stationary ground motion spectrum with non-stationary phase as the consideration of site conditions and earthquake environment and it is on the base of traditional technic which only take consideration of non-stationary amplitude to fit target response spectrum.

本文提出一种在传统的通过调整傅立叶幅值谱以拟合目标反映谱的基础上根据不同的场地条件和地震环境引入非平稳的相位来拟合目标反应谱。

The soil in a sediment basin near ground surface is soft. It has a remarkable amplification and filtering effects on earthquake wave and can change the characters of the amplitude and spectrum of ground motion wave significantly.

大型沉积盆地中，近地表土层比较松软，对地震波有明显的放大和滤波的作用，可以显著改变地震动的幅值和频谱特征。

Study on random fluctuation characteristics of amplitude spectra of strong ground motion

强地震动幅值谱随机涨落特征的研究