Through the energy analysis of different frequency bands, we can attain the blasting vibration signals' frequency identity and original signals' part character.
通过各频带的能量分析，才能获得较准确的频率特性，同时也可以得到原始信号的局部特征。
The demolition process of a 16th floor building in Harbin was monitored, and vibration velocity and frequency of ground particles were obtained during the blasting and collapsing process.
对哈尔滨市一幢16层楼房的爆破拆除过程进行了现场监测，获得了爆破和楼房倒塌过程中引起的地面质点的振动速度、频率等数据。
Through observation on shock wave and multiple pulsating caused by underwater blasting, the velocity, period, frequency and energy of shock wave and multiple pulsating are analysed.
通过水中爆炸水击波及其多次脉动的观测，分析了水击波及其多次脉动的传播速度、脉动周期、频率及能量分布等特性。
Multi-millisecond blasting is used in tunnel excavation, so there are several dominating frequency peak values in actual observation blasting seismic, and the energy distribution belt is wide.
由于隧道开挖采用多段微差爆破，所以多数实测爆破地震波中存在多个优势频率峰值，能量带分布很宽。
It is difficult to measure the danger of the blasting vibration if the effect of frequency is not taken into consideration in the safety criterion of blasting vibration.
爆破振动安全标准如果不考虑振动频率的影响，则难以准确地衡量爆破振动的危害。
Proper millisecond time of blasting and corresponding frequency are chosen to decrease the blasting effects on buildings near the area of coal strip mine.
通过现场试验和爆破地震效应的观测，选取了较为合理的爆破微差时间及相应的爆破地震频率，降低了矿区附近的爆破地震效应。
The decay effects of the blasting seismic wave are investigated with the frequency of seismic loading and parameters of structural faults.
采用数值计算的方法，分析了爆炸地震波频率与断裂构造参数对衰减的影响。
Therefore HHT was a kind of new time-frequency method for analyzing and processing the blasting vibration signals.
分析认为HHT是一种全新而更优越的分析与处理爆破震动信号的时频方法。
The fracturing action of blasting vibration is not only related by vibration intensity, but also frequency specific property.
爆破振动的破坏作用不仅与振动强度有关，而且与频率特性有关。
Under blasting vibration effect, the vibration frequency of ground particle has a great influence upon building damage.
在爆破振动作用下，地面质点的振动频率对建筑物的破坏具有很大的影响。
Under blasting vibrating load, the dynamic response of the structure results from the superposed results of its dynamic response to various dominating frequency detail signals.
结构物对爆破振动荷载的动态响应，是其对于不同优势频率的细节信号的不同的动态响应的叠加的结果。
By using these signals, the relative energy distributions of blasting vibration in different frequency bands and the regularity of vibration strength varying with time can be obtained.
应用这些信号可以给出不同频率带上爆破振动的相对能量分布和振动强度的时间变化规律。
The multi-mater-frequency characteristic of blasting seismic energy and the transmission characteristic of blasting seismic wave are studied.
研究了爆破振动能量多主频分布规律，进一步指出了地震波的传播特征。
The results of model analysis indicated that the resonance phenomenon would not occur because the slope inherent frequency is well lower than the main frequency of blasting vibration.
模态分析结果表明，边坡的固有频率远低于爆破震动的主频，因此不会产生共振现象。
The wavelet packet method characterized by good time-frequency localization can be used to make signal reconstruction and energy analysis of blasting vibration wave.
利用小波分析良好的时频局部化性质，可以很好地对爆破地震波进行信号重构和能量分析。
According to the collected field data of blasting vibration, the time-frequency characteristic analysis for blasting vibration signals is made by use of the wavelet packet analysis technology.
基于现场实测爆破振动数据，采用小波包分析技术对爆破振动信号进行了时频特征分析。
The line is composed of steel shot blasting, intermediate frequency heating pipe, electrostatic spraying, infrared heating curing process equipment.
该作业线由钢管道抛丸除锈，中频管道加热；静电喷涂；红外线加热固化等工艺设备组成。
The line is composed of steel shot blasting, intermediate frequency heating pipe, electrostatic spraying, infrared heating curing process equipment.
该作业线由钢管道抛丸除锈，中频管道加热；静电喷涂；红外线加热固化等工艺设备组成。
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