首先研究了SD OF系统参数和地面运动参数对弹性地震输入能量谱的影响。
The influence parameters, including the parameters of the SDOF systems and the ground motions, on the input energy spectrum are investigated.
本文以4种场地土条件下40条强震记录为输入，对弹性单自由度（SDOF）系统的地震输入能量谱进行了研究。首先研究了SDOF系统参数和地面运动参数对弹性地震输入能量谱的影响。
The earthquake input energy spectrum of elastic single degree of freedom(SDOF) system under a world-wide ensemble of 40 earthquake records of different site types are studied.
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