Data Transmission Technology of Line Acquisition Unit in Seismic Acquisition System

Abstract Seismic acquisition system is the seismic prospecting equipment used for field data acquisition, usually consisting of field digitizer unit (FDU), digital sensor unit (DSU), line acquisition unit (LAU), cables and connectors etc [1]. The functions of LAU include off/on controlling and data packaging & switching etc. The combination of field programmable gate array (FPGA) and KSZ8041NL is adopted in LAU for data transmission in physical layer. The paper presents the hardware structure and relevant schematic design on program of the high rate data transmission part of LAU in seismic acquisition system.