随钻井下32位信号采集系统设计  

Design of MWD 32 bit data acquisition system

作　　者：贾衡天[1] 管康[1] 范锦辉[1] 彭浩[1] 邓乐[1] 高文凯[1] 

机构地区：[1]中石油勘探开发研究院,北京100083

出　　处：《微型机与应用》2014年第13期16-19,24,共5页Microcomputer & Its Applications

摘　　要：为满足近钻头电阻率系统测量的需要,设计了一种32位高精度信号采集系统。该系统以内置DSP运算单元的高性能、低功耗的信号处理芯片和FPGA为控制器,进行信号的采集控制。实现了近钻头电阻率测量信号的采集数据转换功能。该系统采用的32位高精度信号采集芯片保证了信号采集的质量,并可稳定地工作在井下高温环境中。In order to meet the need of near bit resistivity measurement system, the 32 bit high precision signal acquisition system is designed. The system can acquire data、control and signal processing signal. The system can realize near bit resistivity measurement signal conversion, storage and transmission function. It uses 32 bit high precision signal acquisition chip and can ensure the quality of the signal acquisition. It can work stablely under high temperature environment.

关 键 词：32位高精度信号采集 FPGA 高温环境 电阻率测量 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]