【摘要】 给出一种基于已知地震记录的多点地震记录仿真方法,该方法利用基于已知地震记录建立时变相位模型,并利用Taylor级数展开式以及Wiener-Khintchine变化推导出空间位置处时变(互)谱函数矩阵,并利用谱再现技术实现地震记录的反演,给出的模型可以考虑地震动的具有空间变化特性的时频非平稳特性以及局部场地因素。更多还原

【Abstract】 A method has been developed for simulation of stationary,space-time random fields. A method is base on Wiener-Khintchine transform and Taylor series expansion of to get the time variant cross-spectrum,An expression has been given for such cross-correlation in terms of the imaginary part of the complex cross-spectrum. This model can possess Non-stationary properties of original ground motion and site effect.更多还原