【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更多还原

【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.更多还原