Frequency spectrum analysis on microseismic monitoring and signal differentiation of rock material;
岩体微震监测的频谱分析与信号识别
Research on Microseism Monitoring System Based on Vitual Instrument;
基于虚拟仪器的微震监测系统研究
Earth microseism is generally of the natural continuous shake within the rang of micrometer.
地微震一般是微米级的自然连续振动 ,振动频率在 10几赫以下 ;地微震观测技术 ,早已应用到工程勘察及地震安全性评价领域 ,并已列入相关规程。
The fractal dimension of the microseismic activity before and after adjusting the distribution of working face in Jiulongpen region of Mentougou mine is analyzed.
本文对门头沟煤矿九龙盆地区人工开采活动调整前后的微震活动的分维结构变化进行了分析。
For the progressive failure of geological structures(faults,karst collapse columns) to be investigated and their microseismic activities associated with water inrush to be predicted,microseismic monitoring is firstly undertaken in a deep coal mine where the water inrush is a significant issue.
为了监测导水通道(断层、陷落柱等)在采动影响下的动力学活动和失稳过程,以及对其造成的突水危险性进行实时预测预报,利用高精度微震监测技术进行煤矿突水危险监测的工程实践。
Dynamic mechanical phenomena such as rock bursting in colliery are necessarily related to micro-seism of rock body.
煤矿冲击矿压、矿震等煤岩动力现象,与岩体的微震事件有着必然联系。
Using the Microquake Network in Study on Locating and Source Mechanism of Lanzhou M_S2.5 Earthquake in 2006;
用微震台网对2006年兰州M_S2.5地震定位和震源机制研究
It is the first attempt in China to set up a digital seismic network for microquake.
数字化微震台网在国内是第一次尝试。
deployed in the southern Okinawa Trough, the epicentral distribution of microearthquakes along the direction perpendicular to the general strike of the local tectonics is acquired.
通过解析在南冲绳海槽海域投放的海底地震仪（ＯＢＳ）记录到的天然地震资料，得到近垂直海槽走向的微震震中分布。