The stochastic series of seismic response were transformed by FFT (FastFourier Transform) after the time-history analysis and in turn the Floor AccelerationSpectra (FRS) of structure response was achieved .

• 在时程分析的同时,通过对核电厂结构地震响应随机序列进行高速傅立叶变换法,得出结构响应相应的楼层加速度反应谱。