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    • 9. 发明授权
    • Method for providing synchronization in a data acquisition system
    • 在数据采集系统中提供同步的方法
    • US09513388B2
    • 2016-12-06
    • US14333118
    • 2014-07-16
    • SERCEL
    • Florent GuichardGwenael HousinSophie Lostanlen-NouyFabien Le Moine
    • E21B47/14G01V1/22G01V1/26
    • G01V1/223G01V1/26G01V2200/12
    • It is proposed a method for providing synchronization in a data acquisition system including a plurality of acquisition units. A given acquisition unit of the plurality carries out the following steps: receiving a packet from another device of the data acquisition system; extracting a synchronization accuracy information and a reference clock information from the received packet; obtaining a first reference clock as a function of the extracted reference clock information; if the extracted synchronization accuracy information indicates a better synchronization accuracy than a current synchronization accuracy information associated to the given acquisition unit: taking the obtained first reference clock as a selected reference clock and updating the current synchronization accuracy information to indicate a lower synchronization accuracy than the extracted synchronization accuracy information.
    • 提出了一种在包括多个采集单元的数据采集系统中提供同步的方法。 多个给定的采集单元执行以下步骤:从数据采集系统的另一设备接收分组; 从所接收的分组提取同步精度信息和参考时钟信息; 获取作为所提取的参考时钟信息的函数的第一参考时钟; 如果所提取的同步精度信息表示比与给定获取单元相关联的当前同步精度信息更好的同步精度:将所获得的第一参考时钟作为选择的参考时钟,并更新当前同步精度信息以指示比同步精度低 提取同步精度信息。