多极子阵列声波测井仪器干扰源分析及消除方法  

Multipole Array Acoustic Logging Tool's Interference Source and Method to Eliminate

作　　者：高懿 

机构地区：[1]大庆油田大庆测井公司研究一所,黑龙江大庆163412

出　　处：《工业控制计算机》2015年第3期168-170,共3页Industrial Control Computer

摘　　要：在多极子阵列声波测井仪器中,前置放大电路将换能器接收的微弱信号经过信号合成、滤波及放大后,输出一个幅度较大,利于AD采集和数据分析的模拟信号。而在该电路的实现过程中发现,该电路容易引入各种干扰。针对几种常见的干扰,通过对电路进行详细分析,最终找到了干扰的来源并对其进行了消除。In the multipole array acoustic logging instrument, preamplifier circuit transducer receives a weak signal after signal synthesis,filtering and amplification,the output of a large amplitude analog signal A / D conducive acquisition and data analysis.In the implementation process of the circuit,the circuit is easy to introduce a variety of interference.In this paper,there are several common interference from a detailed analysis of the circuit.The result is finding the source of the interference and the method to eliminate.

关 键 词：多极子阵列声波 干扰源 

分 类 号：P631.83[天文地球—地质矿产勘探]