【摘要】 随着地球物理勘探采集技术的全面发展,先进的采集技术要求地震仪器实时道能力更强、采集效率更高、稳定性及可靠性更高。为了解决地震仪器实时道能力和系统同步等问题,设计了一种PCI-E接口的光纤卡。介绍了光纤卡的功能以及它在整个系统中的位置,分析了光纤卡与主机接口、数据处理和GPS同步功能的设计。野外勘探生产实际应用结果表明,该光纤卡实时道能力强,具有良好的可靠性和稳定性。更多还原

【Abstract】 With the development of geophysical prospecting collection technology, the advanced acquisition technical requirements for seismic instrument has real-time ability stronger, higher collection efficiency, higher stability and reliability, etc. In order to solve the seismic instrument real-time ability and system synchronization problems, we design a PCI-E optical fiber interface card, the function of the optical fiber in this card and its position in the whole system are introduced. We analyze the optical fiber card and the host interface, data processing and the design of the GPS synchronization function. Through field exploration and production application, the results show that optical fiber card real-time capability is strong, and has a good reliability and stability.更多还原