RSDA-1型24位水库地震数据采集器的标定系统

The calibration system of RSDA-1 type 24-bits Reserooir Earthquake Data Acquisition Device

RSDA-1型24位水库地震数据采集器中标定系统是测定地震计和参数的关键工具,是评判台站每天工作状态是否正常的评判手段,是标定系统特性的必须环节。根据地震计和台站不同需要,需在采集器中设计4种标定信号,即脉冲标定、正弦标定、伪随机信号和高阶脉冲信号。本文主要介绍标定系统及4种标定信号在24位地震数据采集器中的设计和实现。

The calibration system of RSDA-1 type 24-bits Earthquake Data Acquisition Device is key tool of measuring seismometer and its parameters. It is also a judging means for daily work status of seismic station, and the essential procession of system performance calibration. According to the requirement of different type of seismometers and stations, four calibration signals, pulse signal, sine signal, pseudo random signal and higher order pulse signal are designed in the acquisition device. In this paper, the emphasis is to introducing the four calibration signals and the design and implementation in 24-bits Earthquake Data Acquisition Device.