重庆交通大学学报(自然科学版) ›› 1999, Vol. 18 ›› Issue (3): 35-41.
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赵明阶1, 叶晓明2, 吴德伦2
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ZHAO Ming-jie1, YE Xiao-ming2, WU De-lun2
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摘要: 应用小波-富里叶综合分析方法对爆破振动信号进行时频域分析,从爆破振动测试信号中分离出真实的振动信号,并对爆破振动信号的频率特征进行精细地分析.从而为在爆破振动安全规程中引入速度-频率准则提供了一种可行的技术手段.
关键词: 爆破震动信号, 频率特征, 小波变换
Abstract: The Wavelet-Fourier transformation is applied for to analyzing the time-frequency properties of blasting seismic signals in this paper.The blasting seismic signal was decomposed into muli-frequency channel signals, and the true frequency feature of the blasting seismic signal was gained after analyzing muli-frequency channel signals.The Wavelet-Fourier transformation method is an effective analyzing means for constituting velocity-frequency criteria.
Key words: wavelet transformation, signals, spectrum parameters
中图分类号:
U215.3
赵明阶, 叶晓明, 吴德伦. 工程爆破振动信号分析中的小波方法[J]. 重庆交通大学学报(自然科学版), 1999, 18(3): 35-41.
ZHAO Ming-jie, YE Xiao-ming, WU De-lun. The Wavelet-Fourier Analysis of Blasting Seismic Signal[J]. Journal of Chongqing Jiaotong University(Natural Science), 1999, 18(3): 35-41.
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