| 基于振幅和瞬时频率的震相自动识别方法 |
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| 引用本文： | 李山有,朱海燕,武东坡,宋晋东.基于振幅和瞬时频率的震相自动识别方法[J].世界地震工程,2006,22(4):1-4. |
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| 作者姓名： | 李山有 朱海燕 武东坡 宋晋东 |
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| 作者单位： | 1. 中国地震局工程力学研究所,黑龙江,哈尔滨,150080
2. 福建省地震局,福建,福州,350003 |
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| 基金项目： | 国家自然科学基金资助项目(50378086)，地震科学联合基金资助课题(104139) |
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| 摘 要： | 为了充分反映地震信号振幅增大和频率改变的特征,发展了一种以振幅和瞬时频率比乘积为特征参量的震相自动识别方法。谐波信号和有限实际地震记录的应用表明,本方法具有较高的识别精度。
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| 关 键 词： | 震相自动识别 振幅 瞬时频率 |
| 文章编号： | 1007-6069(2006)04-0001-04 |
| 收稿时间： | 2006-05-20 |
| 修稿时间： | 2006-10-13 |
Automatic recognition of seismic phase based on amplitude and instantaneous frequency |
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| LI Shan-you,ZHU Hai-yan,WU Dong-po,SONG Jin-dong.Automatic recognition of seismic phase based on amplitude and instantaneous frequency[J].World Information On Earthquake Engineering,2006,22(4):1-4. |
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| Authors: | LI Shan-you ZHU Hai-yan WU Dong-po SONG Jin-dong |
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| Institution: | 1. Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China; 2. Earthquake Administration of Fujian Province,Fuzhou 350003, China |
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| Abstract: | In order to reflect the characteristics of amplitude increase and frequency changing of seismic signal,a new automatic recognition method of seismic phase is developed based on the instantaneous amplitude and instantaneous frequency.By application of some harmonious signals and real seismic records,the precision and stability of the method are proved. |
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| Keywords: | Automatic recognition of seismic phase amplitude instantaneous frequency |
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