In this paper an apparent wave velocity varying with the frequency of earthquake wave was adopted rather than an arbitrary one.

采用随频率变化的视波速代替随意给定的视波速，并在随机场的模拟中引入相位差谱来考虑地震动的频率含量非平稳性。

youdao

In this paper an apparent wave velocity varying with the frequency of earthquake wave was adopted rather than an arbitrary one.

采用随频率变化的视波速代替随意给定的视波速，并在随机场的模拟中引入相位差谱来考虑地震动的频率含量非平稳性。

youdao