地电观测专用高精度数据采集器研制
Seismological and Geomagnetic Observation and Research（2014）
Abstract
针对地震地电前兆观测,研制基于ARM9平台和32位模数转换器ADS1281的地电观测高精度数据采集系统,实现了高精度和低噪声采样.本文给出地电观测高精度数据采集系统的硬件设计、软件实现和系统指标测试结果.该系统采样率可设置为1次/s至100次/s,1至6通道任意配置,通信协议符合中国地震局地震前兆台网专用设备网络通信规程,可以满足地震地电传感器信号采集和网络接入需求.
MoreKey words
earthquake precursor,data acquisition,ARM,ADS1281,high precision
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