| The relation between the response spectrum and the phase diference spectrum |
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| 引用本文： | 赵凤新,胡聿贤.The relation between the response spectrum and the phase diference spectrum[J].地震学报(英文版),1996,9(3):371-376. |
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| 作者姓名： | 赵凤新 胡聿贤 |
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| 作者单位： | Institute of Geophysics，SSB，China.FENG XINZHAO (赵凤新) and YU XIANHU (胡聿贤)Institute of Geophysics，State Seismological Bureau，Beijing 100081 China |
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| 摘 要： | ＴｈｅｒｅｌａｔｉｏｎｂｅｔｗｅｅｎｔｈｅｒｅｓｐｏｎｓｅｓｐｅｃｔｒｕｍａｎｄｔｈｅｐｈａｓｅｄｉｆｅｒｅｎｃｅｓｐｅｃｔｒｕｍＦＥＮＧ－ＸＩＮＺＨＡＯ（赵凤新）ａｎｄＹＵ－ＸＩＡＮＨＵ（胡聿贤）ＩｎｓｔｉｔｕｔｅｏｆＧｅｏｐｈｙｓｉｃｓ，Ｓｔａ...
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| 收稿时间： | 7 November 1994 |
| 修稿时间： | 16 March 1995 |
The relation between the response spectrum and the phase difference spectrum |
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| Institute of Geophysics,SSB,China.FENG XINZHAO.The relation between the response spectrum and the phase difference spectrum[J].Acta Seismologica Sinica(English Edition),1996,9(3):371-376. |
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| Authors: | Institute of Geophysics SSB ChinaFENG XINZHAO |
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| Institution: | (1) Institute of Geophysics, State Seismological Bureau, 100081 Beijing, China |
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| Abstract: | The relation between the phase difference spectrum and the response spectrum is studied in this paper. It is found that the
phase difference spectrum influences the response spectrum through affecting the response motion’s envelope function shape
of a single degree of freedom system. Decreasing the variance of phase difference spectrum causes the increasing of response
spectrum when its mean value curve keeps the same, otherwise the situation is opposite. As the increase of the tangent of
the mean value curve, the response spectrum decreases, otherwise it increases. The damping plays an important role while the
phase difference spectrum influences the response spectrum. The effect of the phase difference spectrum on the absolute acceleration
response spectrum becomes more and more obvious with the increase of the damping. On the other hand, the increase of damping
weakens the effect of the phase difference spectrum on the amplification factor spectrum.
Contribution No. 95A0031, Institute of Geophysics, SSB, China.
This subject is supported by the Chinese Joint Seismological Science Foundation. |
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| Keywords: | ground motion response spectrum phase difference spectrum |
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