基于FPGA及DSP的测井遥传信号解码技术

The decoding technique for logging telemetry signal base on FPGA and DSP

综合化测井数据采集系统的硬件设计采用了可靠性较高的compactPCI总线结构以及FPGA、DSP等技术,软件采用了实时操作系统VxWorks.利用FPGA和DSP技术实现了测井遥传信号的解码,保证了系统的实时性和可靠性能够满足测井采集的要求.系统已在现场应用,验证了设计方案可行的.

The architecture of compactPCI Bus and techniques of FPGA and DSP are used in hardware design of integrated logging data acquisition system. VxWorks real-- time operating system is used in software development. CompactPCI is a very high performance industrial bus based on the standard PCI electrical specification in rugged 3U or 6U Eurocard packaging. Techniques of FPGA and DSP are used in logging telemetry signal＇s decoding. Therefore, the real--time performances and reliability of system can satisfy the requirement of logging data acquisition. The system has been used in oil field, verified t.hat the design is feasible.