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yi zhong xin xing jing jian di zhen jing xia shu ju cai ji xi tong
Author(s): 
Pages: 62-65
Year: Issue:  2
Journal: Well Logging Technology

Keyword:  井间地震数据采集数字信号采样率数字滤波器转换器处理机;
Abstract: 刘益成,薛俞生,王晓萍,等.一种新型井间地震井下数据采集系统.测井技术,1997,21(2):138~141介绍了一种用于井间地震的新型井下数据采集系统,它以数字信号处理单片机为核心,采用新型的高精度过采样Σ-ΔA/D转换器作为采集部件,首次将数字信号处理单片机放于井下,进行数据采集的控制与实时数据处理,大大简化了采集电路并提高了采集数据的质量。文章介绍了采集系统的结构,Σ-ΔA/D转换器的特点与接口电路,以及采样率转换的算法与实时实现。最后给出了系统的主要技术指标。
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