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- Application of Fractal Box-counting Dimension to Analysis of Blasting Seismic Signal 基于分形盒维数的爆破震动信号研究
- blasting seismic signal 爆破地震信号
- Application research of the energy analysis method for blasting seismic signals based on wavelet transform 基于小波变换的爆破地震信号能量分析法的应用研究
- On this basis, a calculation model for propagating process of blasting seismic waves and a FEM program have been established. 在此基础上，建立了爆破地震波传播过程的计算模型，编制了有限元计算程序。
- The prediction and control of blasting hazard is always an important subject in engineering blasting felid, especially the hazard of blasting seismic. 爆破危害预测与控制一直是工程爆破界所研究的一项重要课题，其中尤以爆破地震危害最受人们关注。
- The paper gave a high resolution processing method based on double spectrum of seismic signal from angle of higher order accumulated amount of signal. 本文从信号高阶累积量的角度出发给出了一种基于地震信号双谱的高分辨率处理方法。
- Apparently, such a noise is powerless for the seismic signal possessing a dynamic range up to 120db. 这样的噪音显然对于动态范围高达120分贝的地震信号的真振幅恢复是无能为力的。 本文的目的在于找到一个最佳的噪音函数以获得相应的最大的真振幅恢复能力。
- The propagation characteristics of the amplitude of the blasting seismic wave under the conditions of various topographies are approached by means of experiments. 通过靶场实验，探讨了不同地形条件下爆破地震波幅值的传播特性；
- Seismic signals are stored digitally in binary code. 地震信号是以二进制编码的数字形式储存的。
- Based on theoretical analysis, the coefficient of transmission and reflection of blasting seismic wave when it passes the water in riverway is calculated in this paper. 通过数值模拟结果可知,在爆破地震波跨河道传播中,不考虑水体影响时岩体内各点的峰值震速较考虑水体影响情况下的峰值要大。
- The instantaneous frequency of seismic signal could be derived by Hil-bert transformation. 用希尔伯特变换的方法可以求出地震信号的瞬时频率.
- It is usually use geophone array to receive seismic signal in seismic exploration. 地震勘探中,通常利用检波器组合的办法来接收地震信号。
- It is that energy conversion that is responsible for the violent impact against the earth that generates the seismic signal. 就是这种能量转换引起对地层的猛烈冲击，从而产生了地震信号。
- Compared to conventional error analytic methods, time-frequency representation can reflect the amplitude misfit and phase misfit of seismic signal. 摘要时频误差分析法与常规的误差分析法相比，既能反映地震信号的振幅误差，也能区分其相位误差。
- Through the field monitoring of blasting seismic wave and using the blasting shock damage criterion,the causes for the block-dropping in the adit were analyzed and the allowable peak particle vibration velocity for the adit was given. 通过现场爆破地震波的监测,结合爆破震动破坏判据,分析了平硐产生落块的原因,给出了平硐的允许峰值质点振动速度的建议值。
- Geophone seismic signal is received the most critical link is placed in the ground up through the earth's vibration sensors, and then converted into electrical signal output. 地震检波器是接收地震信号最关键的环节，是通过放置在地面上来感应大地的振动，然后转换成电信号输出。
- Time-frequency spectral decomposition of seismic signal based on GST can aid in the classification of seismic sequences and serve as an important tool for seismic interpretation. 地震信号的广义S变换时频谱分解可作为地震层序识别和解释的重要补充。
- The conventional filtering method would damage the seismic signal and prove inadequately in removing the strong noise with broad frequency band from the seismic signal. 常规消除工频干扰的滤波方法会伤害有效信息，并且对频带较宽的机器噪声亦不适用。
- The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which depicts the complexity of seismic signal. 基于随机分形理论,采用分数布朗运动模型,应用R/S分析技术和基于小波变换的谱参数估计方法计算地震道信号的赫斯特指数。
- Tapering the sweep signal can partially reduce the side lobes of reflective seismic signals in correlation seismogram section. 对震源扫频信号进行适当地锥化处理可以部分地压制相关地震剖面中反射地震信号的旁瓣。
