Ethernet-based high-speed seismic data transmission and control system
A technology of seismic data and Ethernet, applied in digital transmission system, transmission system, data exchange network, etc., can solve the problems of transmission capacity decline, transmission error, transmission instability, etc., and achieve the effect of improving efficiency and reducing the number of interrupt responses
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[0025] The data transmission mentioned in this design means that the seismic acquisition data is transmitted to the host system 3 for recording and storage in the cross station 2 through the cross line 1 using the invented high-speed seismic data transmission reliability control technology based on Ethernet.
[0026] In this large-scale seismic acquisition system, the central processing unit of the cross station selects the MPC8270 processor in the FreeScalePowerQUICC II series embedded communication processor family, and the operating system selects the VxWorks real-time embedded operating system. The MPC8270 processor is a dual-core CPU, and its processing of communication data is completed by one of the processing cores, most of which are directly operated by hardware, and the efficiency is very high; while the upper-level tasks run on another core, so This processor has strong computing power and communication ability at the same time. The choice of the operating system is...
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