Study on the Time-frequency Analysis of the Micro Seismic Signal Based on the Window Width Optimized Generalized S-Transform

被引：0
|
作者：
Yang, Ning [1 ]
Chen, Ting [2 ]
Ren, Xu [1 ]
机构：
[1] Southwest Univ Sci & Technol, Mianyang 621010, Peoples R China
[2] SWUFE, TianFu Coll, Mianyang 621010, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON INFORMATION TECHNOLOGY AND INDUSTRIAL AUTOMATION (ICITIA 2015) | 2015年
关键词：
micro seismic; Time-frequency analysis; Generalized S-Transform; Time window optimization; Signal enhancement;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the window width optimized ST (S-Transform) is introduced into the analysis of micro seismic signal, owing to the good time window adaptability and time-frequency resolution, it can provide high-quality time domain and frequency domain information to identify and analyze various vibration signals. This time-frequency analysis method is used in Lugu Iron Mine Roadway micro seismic signal processing in this study, and compared with conventional Short-Time Fourier transform. The result shows that the ST method's time-frequency spectrum features are clearer; also the quantitative values of all kinds of signal values are more accurate. It proposed a new idea for automatic identification and analysis of micro seismic signals in mine.(1)
引用
收藏
页码：246 / 252
页数：7
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