| 调制ARMA模型在地震动仿真中的几个问题探讨 |
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| 引用本文： | 夏洪流,李英民,赖明. 调制ARMA模型在地震动仿真中的几个问题探讨[J]. 土木与环境工程学报, 2004, 26(5): 54-59 |
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| 作者姓名： | 夏洪流 李英民 赖明 |
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| 作者单位： | 1. 重庆大学,土木工程学院,重庆,400045
2. 建设部,科技司,北京,100835 |
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| 摘 要： | 探讨了调制ARMA模型在人造地震动仿真应用中的模型定阶、模型定参及初始随机序列的影响问题.算例表明,引入强度包线函数对ARMA模型的频率特性有一定影响,但仍不失为一种高效、适用的人造地震动仿真方法.
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| 关 键 词： | 调制ARMA模型 人造地震动 仿真 |
| 文章编号： | 1006-7329(2004)05-0054-05 |
| 修稿时间： | 2004-06-25 |
Discussion on Several Problems for Application of Modulated ARMA Model in Simulation of Earthquake Waves |
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| XIA Hong-liu~,LI Ying-min~,LAI Ming~. Discussion on Several Problems for Application of Modulated ARMA Model in Simulation of Earthquake Waves[J]. Journal of Civil and Environmental Engineering, 2004, 26(5): 54-59 |
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| Authors: | XIA Hong-liu~ LI Ying-min~ LAI Ming~ |
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| Affiliation: | XIA Hong-liu~1,LI Ying-min~1,LAI Ming~2 |
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| Abstract: | In this paper, the application of modulated ARMA model in simulation of artificial earthquake waves is discussed on the several aspects such as determination of the ARMA model orders, determination of the ARMA model parameters and influence of the initial random series. It is shown from the calculation that the influence of the intensity envelop function on the frequency characteristic of the modulated ARMA model is acceptable and the modulated ARMA model is still an efficient alternative method to generate artificial earthquake wave in practice. |
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| Keywords: | modulated ARMA model artificial earthquake wave simulation |
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