A new method which improves the fitting accuracy of artificial time history of ground motion to the target response spectrum by superimposing narrowband time histories in the time domain is proposed.
提出了一种在时域内叠加窄带时程的方法以提高人造地震动时程对目标反应谱的拟合精度。
The ground surface response spectrum of acceleration, velocity and displacement were calculated using NDFEPS-2D.
运用NDFEPS - 2d计算了若干场地模型的地面加速度反应谱、速度反应谱、位移反应谱。
The characteristics of frequency-spectrum structure and response of ground soils, including soft soils and the frequency of ground micro-tremor, were investigated.
据此研究了地脉动频谱结构特征及场地土(包括软土)对地脉动的频率响应的特性。
Microzonation of ground motion parameters was done to investigate the different zone's seismic response spectrum.
在对该工程场地进行地震动小区划的基础上，分析了不同区的地表加速度反应谱特性。
Microzonation of ground motion parameters was done to investigate the different zone's seismic response spectrum.
在对该工程场地进行地震动小区划的基础上，分析了不同区的地表加速度反应谱特性。
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