| 西北黄土地区及其邻区烈度影响范围的模糊信息分析 |
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| 引用本文： | 刘若琪,石玉成,孟夏.西北黄土地区及其邻区烈度影响范围的模糊信息分析[J].西北地震学报,1994,16(3):54-59. |
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| 作者姓名： | 刘若琪 石玉成 孟夏 |
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| 作者单位： | 中国市政工程西北设计研究院，国家地震局兰州地震研究所 |
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| 摘 要： | 本文以西北黄土地区（陕、甘、宁、青）及其邻区历史地震等震线资料为基础，采用模糊信息分析方法，建立震级与烈度分布范围的模糊关系，并将其用于甘肃境内近年发生的迭部地震和景泰地震，计算结果与实际震害情况较为接近。本文还将研究结果同前人的工作进行了对比。
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| 关 键 词： | 黄土地区，模糊信息分析，震级－烈度关系 |
| 收稿时间： | 1993/10/26 0:00:00 |
FUZZY SETS METHOD ON EVALUATING ISOSEISMAL MAP OF LOESS AREA IN NORTHWEST CHINA |
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| Liu Ruoqi,Shi Yucheng and Mengxia.FUZZY SETS METHOD ON EVALUATING ISOSEISMAL MAP OF LOESS AREA IN NORTHWEST CHINA[J].Northwestern Seismological Journal,1994,16(3):54-59. |
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| Authors: | Liu Ruoqi Shi Yucheng and Mengxia |
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| Institution: | Earthquake Research Institute of Lanzhou, SSB, China and Earthquake Research Institute of Lanzhou, SSB, China |
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| Abstract: | Based on the historical earthquake data of the loess are in Northwest China and by usingthe fuzzy sets method,the fuzzy information relation between magnitude and isoseismal area inthe loess area is established.According to the fuzzy relation,two recent earthquakes'isoseismalareas are examined,and the results are more corresponding to the reality than that using theleast squares method. Finally,the results are compared with the former's. |
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| Keywords: | Loess area in Northwest China Fuzzy information analysis Magnitude-in-tensity relation |
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