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32通道便携式地震监测仪 该仪器是由南非矿山公司与矿冶电气系统公司共同研制的,其监测系统可供要求覆盖面积大于10km的用户应用。根据计算机软件包,可控制来自32个通道的P波和S波的到达时间,从而找出地震事件位置。其监测精度一般可达到监测网半径的1％以内。这种新系统的动态量程现在已超过100dB,这意味着地震事件的里氏震级可从-3精确到+2。每套系统所配用的全面地震分析软件程序—SourceQ已作过修改,可提供石层移动方向、地震时间和震源大小等震源参数。所使用的传感器包括地音仪、加速度计、应变测定锚杆、压力盒和伸长仪。
32-Channel Portable Seismic Monitor Developed by a South African mining company in cooperation with Mining, Metallurgical and Electrical Systems, the monitoring system is available for user applications requiring coverage over 10km. According to the computer package, the arrival times of P and S waves from 32 channels can be controlled to find the location of the seismic event. Its monitoring accuracy can generally reach within 1% of the monitoring network radius. The dynamic range of this new system is now over 100dB, which means that the magnitude of the earthquakes can range from -3 to +2. The SourceQ program, a comprehensive seismic analysis software program for each system, has been modified to provide source parameters such as rock movement direction, seismic time, and source size. The sensors used include geophones, accelerometers, strain gauges, pressure boxes and extensometers.