PC104嵌入式计算机在海底大地电磁信号采集中的应用

英文篇名：The application of PC104 in sea-floor magnetotelluric signal acquisition
中文刊名：中南工业大学学报(自然科学版)
英文刊名：Journal of Central South University of Technology(Natural Science)
作者：邓明 ; 白宜诚 ; 陈儒军 ; 李哲 ; 肖建平 ; 邓靖武
英文作者：DENG Ming1 ; BAI Yicheng2 ; CHEN Rujun2 ; LI Zhe3 ; XIAO Jianping3 ; DENG Jingwu1(1.School of Geophysics and Information Technology ; China University of Geosciences ; Beijing 100083 ; China ; 2.School of InfoPhysics and Geomatics Engineering ; Central South University ; Changsha 410083 ; China ; 3.Petroleum Geophysical Exploration Bureau of China National Petroleum Corproration ; Baoding 072550 ; China)
中文关键词：大地电磁 ; 智能化技术 ; 信号采集 ; 计算机接口
英文关键词：magnetotelluric ; intelligentize technology ; signal acquisition ; computer interface
出版日期：2002-12-30
机构：中国地质大学地球物理与信息技术学院,中南大学信息物理工程学院,中南大学信息物理工程学院,中国石油天然气集团公司物探局仪器总厂,中南大学信息物理工程学院,中国地质大学地球物理与信息技术学院北京　100083 ,湖南长沙　410083 ,湖南长沙　410083 ,河北保定　072550 ,湖南长沙　410083 ,北京　100083
年：2002
期：06
出版单位：中南工业大学学报(自然科学版)

摘要

为了观测海底大地电磁数据,设计了海底大地电磁探测仪器的智能化方案,即以性能优良的PC104嵌入式计算机作主控单元,编制采集驱动程序,采用合理的硬件接口电路,在非实时监控的运行环境下采集整个海底大地电磁信号.用该仪器系统能记录水深在100m以下的极其微弱的海底大地电磁信号测量数据表明,此信号是海底在地球物理场的真实反映.
Since the complex and special nature environment in the sea, the instruments must have perfect function of controlment and measurement so that the seafloor magnetotelluric signal can be acquired successfully. The technologies including the synchronization error should not exceed the level in microsecond, the sample rate should be changed automatically, the data should be saved automatically, and the instruments should sleep and awake automatically and restore the abnormity during the acquisition and so on. In this paper, the scheme of designing the seafloor magnetotelluric intelligentize instrument is described. The procedure is that using the inset PC104 as the control unit, programming reliable acquiring driver, using appropriate interface electric board to complete the seafloor magnetotelluric signal acquisition without real time controlment. The results show that the seafloor magnetotelluric data can be acquired beneth 100 m depth in the sea

引文

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