【摘要】 为了提高光栅数字地震检波器的检测精度和分辨力,设计了一套采集存储和离线分析系统。采集存储组件由采样保持器和海量数据存储器组成,该组件采用Compact Flash实现了对数据的存储,通过标准通信方式与计算机进行数据交换。离线分析模块运用幅值周期综合判定法准确的识别辨向点,有效减小了硬件电路辨向所带来的误差。更多还原

【Abstract】 To improve the digital grating geophone measuring precision and resolution, a system was designed. The system includes two parts. One is sample and store part, the other is off-line analysis part. The sample and store part is made up of sampling holder converter and mass data memorizer, which applies Compact Flash for realizing store of mass grating moire signal data. The data can be transmitted between computer and sample part by standard communication way. The offline analysis part uses swing-period combined analysis to pick out the shift-point accurately. It is helpful in reducing the error by using the hardware circuit.更多还原